{"id":4376,"date":"2024-05-30T09:52:03","date_gmt":"2024-05-30T09:52:03","guid":{"rendered":"https:\/\/ruouviet.com.vn\/?p=4376"},"modified":"2025-02-07T08:58:15","modified_gmt":"2025-02-07T08:58:15","slug":"cac-loai-con-trong-doi-song","status":"publish","type":"post","link":"https:\/\/ruouviet.com.vn\/e_n\/cac-loai-con-trong-doi-song\/","title":{"rendered":"C\u00e1c lo\u1ea1i c\u1ed3n trong \u0111\u1eddi s\u1ed1ng, \u1ee9ng d\u1ee5ng v\u00e0 m\u1ed9t s\u1ed1 nh\u1ea7m l\u1eabn"},"content":{"rendered":"<p style=\"text-align: justify;\"><em><span style=\"font-weight: 400;\">N\u00f3i t\u1edbi c\u1ed3n l\u00e0 \u0111\u1ea1i \u0111a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi s\u1ebd ngh\u0129 ngay \u0111\u1ebfn \u0111\u1ed9c h\u1ea1i, kh\u00f4ng t\u1ed1t cho s\u1ee9c kh\u1ecfe. Nh\u01b0ng trong th\u1ef1c t\u1ebf, c\u1ed3n c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i c\u00f3 1 ti\u00eau chu\u1ea9n l\u00fd h\u00f3a ri\u00eang, v\u00e0 c\u0169ng \u0111\u1ec3 \u1ee9ng d\u1ee5ng r\u1ea5t ri\u00eang v\u00e0o c\u00e1c l\u0129nh v\u1ef1c: th\u1ef1c ph\u1ea9m, m\u1ef1c in, s\u01a1n, pha x\u0103ng, y t\u1ebf,&#8230; V\u1eady <strong>c\u00e1c lo\u1ea1i c\u1ed3n<\/strong> n\u00e0y g\u1ed3m nh\u1eefng lo\u1ea1i g\u00ec? H\u00e3y c\u00f9ng <strong>Viet Wine<\/strong> t\u00ecm hi\u1ec3u t\u1ea5t t\u1ea7n t\u1eadt r\u1ed3i l\u00e0m r\u00f5 m\u1ed9t s\u1ed1 nh\u1ea7m l\u1eabn v\u1ec1 kh\u00e1i ni\u1ec7m c\u1ed3n \u1edf Vi\u1ec7t Nam nh\u00e9!<\/span><\/em><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"size-full wp-image-4381 aligncenter\" src=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-1.jpg\" alt=\"C\u00e1c lo\u1ea1i c\u1ed3n trong cu\u1ed9c s\u1ed1ng\" width=\"850\" height=\"478\" srcset=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-1.jpg 850w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-1-300x169.jpg 300w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-1-768x432.jpg 768w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-1-18x10.jpg 18w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>1. \u0110\u1ecbnh ngh\u0129a Alcohol &#8211; C\u1ed3n v\u00e0 nh\u1eefng nh\u1ea7m l\u1eabn<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 chuy\u00ean ng\u00e0nh h\u00f3a, c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m, ho\u1eb7c t\u00ecm hi\u1ec3u kh\u00f4ng s\u00e2u th\u00ec s\u1ebd b\u1ecb r\u1ed1i lo\u1ea1n m\u1ed7i khi nh\u1eafc \u0111\u1ebfn c\u1ed3n hay alcohol. Do v\u1eady, tr\u01b0\u1edbc khi \u0111i v\u00e0o ph\u00e2n lo\u1ea1i, h\u00e3y c\u00f9ng R\u01b0\u1ee3u Vi\u1ec7t l\u00e0m r\u00f5 m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m v\u1ec1 c\u1ed3n hay Alcohol nh\u00e9\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>1.1. C\u1ed3n l\u00e0 g\u00ec? (Alcohol l\u00e0 g\u00ec?)<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol l\u00e0 t\u00ean qu\u1ed1c t\u1ebf \u0111\u1ec3 ch\u1ec9 <em>c\u00e1c lo\u1ea1i c\u1ed3n (s\u00e1ch gi\u00e1o khoa g\u1ecdi l\u00e0 c\u00e1c lo\u1ea1i r\u01b0\u1ee3u)<\/em>, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ch\u1ee9a nh\u00f3m &#8211; OH g\u1eafn v\u00e0o m\u1ed9t nguy\u00ean t\u1eed cacbon carbon c\u1ee7a hydrogen. S\u00e1ch h\u00f3a h\u1ecdc l\u1edbp 11 c\u00f3 c\u1ea3 1 ch\u01b0\u01a1ng v\u1ec1 alcohol. Nh\u00f3m alcohol c\u00f3 t\u1ed5ng c\u1ed9ng 15 lo\u1ea1i kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc kh\u00e1c nhau, ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 b\u1eadc cacbon (s\u1ed1 nguy\u00ean t\u1eed C trong h\u1ee3p ch\u1ea5t).. N\u00f3i \u0111\u01a1n gi\u1ea3n, ch\u00fang l\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c nhau c\u1ea3 v\u1ec1 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t l\u00fd h\u00f3a nh\u01b0ng c\u00f9ng 1 nh\u00f3m n\u00ean g\u1ecdi l\u00e0 Alcohol.\u00a0 V\u00ed d\u1ee5 nh\u01b0 c\u00e1c lo\u1ea1i alocohol\/ c\u1ed3n nh\u01b0:<\/span><span style=\"font-weight: 400;\">\u00a0ethanol (C2H5OH), methanol (CH3OH), xylitol C5H7(OH)5), Glycerol (C3H5(OH)3),&#8230;\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol (r\u01b0\u1ee3u, c\u1ed3n) \u0111\u01b0\u1ee3c ph\u00e2n chia theo nhi\u1ec1u nh\u00f3m nh\u01b0: alcohol no v\u00e0 kh\u00f4ng no, alcohol \u0111\u01a1n ch\u1ee9c v\u00e0 \u0111a ch\u1ee9c,<\/span><span style=\"font-weight: 400;\"> Alcohol c\u00f3 s\u1ed1 Cacbon \u2264 12 th\u00ec l\u00e0 d\u1ea1ng l\u1ecfng, s\u1ed1 cacbon &gt; 12 th\u00ec t\u1ed3n t\u1ea1i d\u01b0\u1edbi th\u1ec3 r\u1eafn.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>1.2. Trong cu\u1ed9c s\u1ed1ng, c\u1ed3n l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong \u0111\u1eddi s\u1ed1ng (d\u00e2n gian) c\u1ee7a ng\u01b0\u1eddi Vi\u1ec7t, c\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 c\u00e1c lo\u1ea1i r\u01b0\u1ee3u hay alcohol, m\u00e0 c\u1ed3n \u0111\u01b0\u1ee3c ng\u1ea7m hi\u1ec3u v\u00e0 ph\u00e2n th\u00e0nh c\u00e1c lo\u1ea1i sau: <\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>C\u1ed3n th\u1ef1c ph\u1ea9m<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ch\u00ednh l\u00e0 ethanol (r\u01b0\u1ee3u etylic, C2H5OH), n\u00f3 l\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 <\/span><span style=\"font-weight: 400;\">\u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch <a href=\"https:\/\/ruouviet.com.vn\/e_n\/nghe-ruou\/men-va-len-men\/\" target=\"_blank\" rel=\"noopener\"><strong>l\u00ean men<\/strong><\/a> c\u00e1c lo\u1ea1i ng\u0169 c\u1ed1c ho\u1eb7c th\u1ef1c ph\u1ea9m (c\u1ee7 c\u1ea3i \u0111\u01b0\u1eddng, ng\u00f4, r\u1ec9 m\u1eadt, s\u1eafn,&#8230;). C\u1ed3n n\u00e0y ph\u1ea3i \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft \u2265 96 % v\u00e0 \u0111\u00e1p \u1ee9ng gi\u1edbi h\u1ea1n v\u1ec1 t\u1ea1p ch\u1ea5t nh\u01b0 methanol, andehit, Acid, Este; C\u1ed3n n\u00e0y d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>C\u1ed3n y t\u1ebf<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ed3n y t\u1ebf c\u0169ng l\u00e0 c\u1ed3n ethanol (r\u01b0\u1ee3u etylic) nh\u01b0ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ra \u0111\u1ec3 d\u00f9ng trong l\u0129nh v\u1ef1c y t\u1ebf kh\u1eed tr\u00f9ng, t\u1ea9y u\u1ebf n\u00ean ti\u00eau chu\u1ea9n c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n so v\u1edbi c\u1ed3n th\u1ef1c ph\u1ea9m; c\u1ed3n n\u00e0y th\u01b0\u1eddng pha ch\u1ebf th\u00e0nh 2 lo\u1ea1i: 70 \u0111\u1ed9, v\u00e0 90 \u0111\u1ed9<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>C\u1ed3n c\u00f4ng nghi\u1ec7p<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ed3n c\u00f4ng nghi\u1ec7p d\u00e2n gian hi\u1ec3u l\u00e0 c\u1ed3n ethanol (r\u01b0\u1ee3u Etylic, C2H5OH) d\u00f9ng trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p t\u1ea1o ra h\u00e0ng h\u00f3a phi th\u1ef1c ph\u1ea9m nh\u01b0 x\u0103ng sinh h\u1ecdc, d\u01b0\u1ee3c ph\u1ea9m, thu\u1ed1c u\u1ed1ng, n\u01b0\u1edbc hoa, d\u1ec7t may, lau vi m\u1ea1ch \u0111i\u1ec7n t\u1eed,&#8230;. C\u1ed3n n\u00e0y c\u00f9ng c\u00f9ng c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc v\u1edbi c\u1ed3n th\u1ef1c ph\u1ea9m (l\u00e0 C2H5)H) nh\u01b0ng ti\u00eau chu\u1ea9n \u0111\u1ed9 tinh khi\u1ebft v\u00e0 gi\u1edbi h\u1ea1n t\u1ea1p ch\u1ea5t l\u1ea1i kh\u00e1c (\u0111a s\u1ed1 th\u00e1p h\u01a1n) c\u1ed3n th\u1ef1c ph\u1ea9m<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>C\u1ed3n c\u00f4ng nghi\u1ec7p methanol<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, \u1edf Vi\u1ec7t Nam, c\u1ed3n c\u00f4ng nghi\u1ec7p c\u00f2n c\u00f3 1 nh\u00e1nh kh\u00e1c l\u00e0 <strong>c\u1ed3n c\u00f4ng nghi\u1ec7p methanol<\/strong> (th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 methanol). C\u1ea7n l\u01b0u \u00fd r\u1eb1ng d\u00e2n gian (\u0111\u1eddi s\u1ed1ng) c\u00f3 2 kh\u00e1i ni\u1ec7m l\u00e0 c\u00f4n c\u00f4ng nghi\u1ec7p v\u00e0 c\u1ed3n c\u00f4ng nghi\u1ec7p Methanol.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ed3n c\u00f4ng nghi\u1ec7p methanol (alcohol g\u1ed7, c\u1ed3n g\u1ed7) c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc CH3OH, th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 methanol (h\u00e0m l\u01b0\u1ee3ng methanol \u0111\u1eadm \u0111\u1eb7c) c\u00f2n c\u00e1c ch\u1ea5t nh\u01b0 ethanol, ester, Acid,.. l\u1ea1i tr\u1edf th\u00e0nh t\u1ea1p ch\u1ea5t. V\u00ec h\u00e0m l\u01b0\u1ee3ng methanol trong c\u1ed3n n\u00e0y r\u1ea5t cao, \u0111\u1ed9c n\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong th\u1ef1c ph\u1ea9m v\u00e0 y t\u1ebf nh\u01b0ng l\u1ea1i \u0111\u01b0\u1ee3c d\u00f9ng trong m\u1ed9t s\u1ed1 ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0: l\u00e0m ch\u1ea5t t\u1ea9y r\u1eeda, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t\/c\u00f4ng nghi\u1ec7p, in \u1ea5n, s\u01a1n, ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng,&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"size-full wp-image-4382 aligncenter\" src=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-methanol-1.jpg\" alt=\"\" width=\"800\" height=\"352\" srcset=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-methanol-1.jpg 800w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-methanol-1-300x132.jpg 300w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-methanol-1-768x338.jpg 768w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-methanol-1-18x8.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>2. Ph\u00e2n lo\u1ea1i c\u1ed3n (alcohol) theo m\u00f4n h\u00f3a h\u1ecdc<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0 \u0111\u00e3 n\u00f3i, alcohol bao g\u1ed3m r\u1ea5t nhi\u1ec1u c\u00e1c lo\u1ea1i h\u1ee3p ch\u1ea5t, m\u1ed7i lo\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o nh\u1eefng l\u0129nh v\u1ef1c kh\u00e1c nhau. \u0110\u1ec3 d\u1ec5 hi\u1ec3u h\u01a1n th\u00ec ch\u00fang ta c\u00f3 th\u1ec3 lo\u1ea1i alcohol th\u00e0nh c\u00e1c ki\u1ec3u nh\u01b0 sau:\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1eafc \u0111\u1ebfn alcohol n\u00f3i chung th\u00ec ch\u00fang ta s\u1ebd chia c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 thu\u1ed9c nh\u00f3m r\u01b0\u1ee3u th\u00e0nh:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Theo c\u1ea5u tr\u00fac: Alcohol m\u1ea1ch th\u1eb3ng v\u00e0 m\u1ea1ch v\u00f2ng<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol m\u1ea1ch th\u1eb3ng: CH3-CH2-OH (ethanol), CH3-OH (methanol)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol m\u1ea1ch v\u00f2ng: C6H60 (phenol)<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Theo li\u00ean k\u1ebft: Alcohol no, kh\u00f4ng no v\u00e0 th\u01a1m<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ea5t thu\u1ed9c nh\u00f3m alcohol no: CH3-CH2-OH (ethanol), CH3-OH (methanol)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ea5t thu\u1ed9c nh\u00f3m alcohol kh\u00f4ng no:\u00a0 CH2=CH-CH2-OH (allyl),\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ea5t thu\u1ed9c nh\u00f3m alcohol th\u01a1m: C6H5CH2OH (Benzyl alcohol)<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Theo nh\u00f3m ch\u1ee9c: Alcohol \u0111\u01a1n ch\u1ee9c v\u00e0 \u0111a ch\u1ee9c<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol \u0111\u01a1n ch\u1ee9c g\u1ed3m c\u00f3: CH3-CH2-OH (ethanol), CH3-CH(OH)-CH3 (isopropanol),&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Alcohol \u0111a ch\u1ee9c c\u00f3: OH-CH2-CH2-OH (ethylene glycol), OH-CH2-CH(OH)-CH2-OH (glycerol),&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u1ed3n ethanol n\u00f3i ri\u00eang c\u00f2n \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo 2 h\u00ecnh th\u00e1i g\u1ed3m c\u1ed3n kh\u00f4 v\u00e0 c\u1ed3n n\u01b0\u1edbc. Trong \u0111\u00f3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ed3n n\u01b0\u1edbc:<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t r\u1ea5t d\u1ec5 bay h\u01a1i g\u1ed3m h\u1ed7n h\u1ee3p ethanol + n\u01b0\u1edbc. H\u1ee3p ch\u1ea5t n\u00e0y s\u1ebd ch\u1ee9a t\u1ed1i thi\u1ec3u 50% ethanol, d\u1ec5 b\u1ed1c ch\u00e1y khi g\u1eb7p l\u1eeda n\u00ean c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111un n\u1ea5u. M\u1ed9t s\u1ed1 lo\u1ea1i c\u1ed3n nh\u01b0 c\u1ed3n y t\u1ebf, c\u1ed3n th\u1ef1c ph\u1ea9m, c\u1ed3n d\u00f9ng pha x\u0103ng c\u0169ng thu\u1ed9c nh\u00f3m c\u1ed3n n\u01b0\u1edbc n\u00e0y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ed3n kh\u00f4:<\/b><span style=\"font-weight: 400;\"> L\u00e0 c\u1ed3n \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf n\u01b0\u1edbc th\u00e0nh d\u1ea1ng th\u1ea1ch; l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a ethanol v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia, n\u1ebfu l\u00e0m \u0111\u00fang c\u00f4ng th\u1ee9c th\u00ec c\u1ed3n kh\u00f4 s\u1ebd l\u00e0 ch\u1ea5t \u0111\u1ed1t r\u1ea5t an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. \u1ede d\u1ea1ng th\u1ea1ch, n\u1ebfu kh\u00f4ng may b\u1ecb n\u1ed5 th\u00ec s\u1ebd kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y tr\u00e0n nh\u01b0 c\u1ed3n n\u01b0\u1edbc.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>3. C\u00e1ch s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i c\u1ed3n\u00a0<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ed3n \u0111\u01b0\u1ee3c t\u1ea1o ra theo 2 c\u00e1ch l\u00e0 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc (t\u1ea1o ra t\u1eeb c\u00e1c ph\u1ea3n \u1ee9ng) v\u00e0 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p ch\u01b0ng c\u1ea5t t\u1eeb nguy\u00ean li\u1ec7u t\u1ef1 nhi\u00ean.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>3.1. C\u00e1ch s\u1ea3n xu\u1ea5t c\u1ed3n ethanol (r\u01b0\u1ee3u Etylic &#8211; C2H5OH)<\/b><\/h3>\n<h4 style=\"text-align: justify;\"><b>3.1.1. S\u1ea3n xu\u1ea5t c\u1ed3n ethanol (r\u01b0\u1ee3u etylic) b\u1eb1ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1eb1ng c\u00e1ch n\u00e0y, ng\u01b0\u1eddi ta s\u1ebd t\u1ea1o ra c\u1ed3n b\u1eb1ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc hydrat h\u00f3a ethylen (ethylen thu\u1ed9c d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng c\u1ee7a alken). Ethylen l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a ng\u00e0nh d\u1ea7u kh\u00ed do \u0111\u00f3 l\u00e0 nguy\u00ean li\u1ec7u d\u1ec5 ki\u1ebfm.\u00a0 Tuy nhi\u00ean ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t ethanol n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf v\u00ec kh\u00f3 v\u00e0 \u0111\u1ea7u t\u01b0 t\u1ed1n k\u00e9m, hi\u1ec7u qu\u1ea3 kinh t\u1ebf th\u1ea5p. C\u00f2n trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m, nghi\u00ean c\u1ee9u khoa h\u1ecdc th\u00ec \u1ee9ng d\u1ee5ng c\u00e1ch n\u00e0y r\u1ea5t d\u1ec5 v\u00e0 ti\u1ec7n l\u1ee3i.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C2H4+ H2O \u2192 CH3CH2O<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ethylen th\u00e0nh ethanol l\u00e0 s\u1eed d\u1ee5ng ethyl sulfate. Ethylen ph\u1ea3n \u1ee9ng v\u1edbi axit sunfuric t\u1ea1o th\u00e0nh etyl sunfat m\u00e0 khi th\u1ee7y ph\u00e2n s\u1ebd t\u1ea1o ra ethanol v\u00e0 t\u00e1i sinh axit sunfuric.C<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">2H4 + H2SO4 \u2192 CH3CH2SO4H<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">CH3CH2SO4H + H2O \u2192 CH3CH2OH + H2SO4<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>3.1.2. S\u1ea3n xu\u1ea5t r\u01b0\u1ee3u c\u1ed3n Ethanol (r\u01b0\u1ee3u etylic) t\u1eeb nguy\u00ean li\u1ec7u sinh h\u1ecdc<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong khoa h\u1ecdc ng\u01b0\u1eddi ta g\u1ecdi c\u00e1ch n\u00e0y l\u00e0 s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc. Ch\u00fang ta c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 c\u1ed3n s\u1ebd \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ra b\u1eb1ng c\u00e1c nguy\u00ean li\u1ec7u c\u00f3 trong t\u1ef1 nhi\u00ean nh\u01b0 g\u1ed7, ng\u00f4, r\u1ec9 m\u1eadt c\u1ee7a m\u00eda, g\u1ea1o, s\u1eafn,&#8230; Nguy\u00ean li\u1ec7u s\u1ebd tr\u1ea3i qua qu\u00e1 tr\u00ecnh l\u00ean men, ch\u01b0ng c\u1ea5t v\u00e0 t\u00e1ch chi\u1ebft t\u00f9y v\u00e0o nguy\u00ean li\u1ec7u c\u00e1ch l\u00ean men s\u1ebd c\u00f3 s\u1ef1 kh\u00e1c nhau.\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n ethanol (r\u01b0\u1ee3u u\u1ed1ng, r\u01b0\u1ee3u Etylic) t\u1eeb ng\u0169 c\u1ed1c ho\u1eb7c th\u1ef1c ph\u1ea9m (c\u00f3 tinh b\u1ed9t)<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd nguy\u00ean li\u1ec7u =&gt; H\u1ed3 h\u00f3a (n\u1ea5u ch\u00e1o) =&gt; \u0110\u01b0\u1eddng h\u00f3a =&gt; L\u00ean men v\u1edbi n\u1ea5m men =&gt; Ch\u01b0ng c\u1ea5t v\u00e0 tinh ch\u1ebf =&gt; Ki\u1ec3m tra, t\u00e0ng tr\u1eef<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n ethanol (r\u01b0\u1ee3u u\u1ed1ng, r\u01b0\u1ee3u Etylic) t\u1eeb th\u1ef1c ph\u1ea9m (kh\u00f4ng tinh b\u1ed9t)<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd nguy\u00ean li\u1ec7u =&gt; L\u00ean men =&gt; Ki\u1ec3m tra v\u00e0 c\u1ea5t tr\u1eef =&gt; \u0111\u00f3ng chai.<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter wp-image-4383 size-full\" title=\"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n - C\u00e1c lo\u1ea1i c\u1ed3n trong cu\u1ed9c s\u1ed1ng\" src=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-quy-trinh-san-xuat-con.jpg\" alt=\"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n - C\u00e1c lo\u1ea1i c\u1ed3n trong cu\u1ed9c s\u1ed1ng\" width=\"850\" height=\"637\" srcset=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-quy-trinh-san-xuat-con.jpg 850w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-quy-trinh-san-xuat-con-300x225.jpg 300w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-quy-trinh-san-xuat-con-768x576.jpg 768w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/Cac-loai-con-quy-trinh-san-xuat-con-16x12.jpg 16w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ede Vi\u1ec7t Nam c\u00f3 nhi\u1ec1u nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u1ed3n ethanol t\u1eeb th\u1ef1c ph\u1ea9m v\u00e0 ng\u0169 c\u1ed1c c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 nh\u00e0 m\u00e1y B\u00ecnh T\u00e2y, C\u00f4ng ty TNHH T\u00f9ng L\u00e2m, C\u00f4ng ty C\u1ed5 ph\u1ea7n C\u1ed3n R\u01b0\u1ee3u H\u00e0 N\u1ed9i (Halico) &#8211; \u0111\u00e2y l\u00e0 th\u01b0\u01a1ng hi\u1ec7u qu\u1ed1c gia,&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, ethanol c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb nh\u00f3m nguy\u00ean li\u1ec7u c\u00f3 xenlulo nh\u01b0: g\u1ed7, gi\u1ea5y \u0111\u00e3 qua s\u1eed d\u1ee5ng, r\u01a1m r\u1ea1,&#8230;. tuy nhi\u00ean d\u00f9ng c\u00e1ch n\u00e0y kh\u00f4ng hi\u1ec7u qu\u1ea3 b\u1edfi \u0111\u1ec3 l\u00e0m cho c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 n\u00e0y sinh ra \u0111\u01b0\u1eddng th\u00ec nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i mua m\u1ed9t lo\u1ea1i enzym (gi\u00e1 r\u1ea5t cao), nh\u01b0ng l\u01b0\u1ee3ng \u0111\u01b0\u1eddng sinh ra r\u1ea5t th\u1ea5p. T\u1eeb \u0111\u00f3, l\u01b0\u1ee3ng c\u1ed3n ethanol thu \u0111\u01b0\u1ee3c c\u0169ng r\u1ea5t th\u1ea5p, chi ph\u00ed nguy\u00ean li\u1ec7u l\u1ea1i cao n\u00ean kh\u00f4ng kh\u1ea3 thi.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch s\u1ea3n xu\u1ea5t ethanol n\u1ed3ng \u0111\u1ed9 cao: <\/b><span style=\"font-weight: 400;\">C\u1ed3n ethanol c\u00f3 n\u1ed3ng \u0111\u1ed9 cao nh\u1ea5t (\u1edf Vi\u1ec7t Nam) hi\u1ec7n nay l\u00e0 99,8% t\u1ea1i c\u00f4ng ty T\u00f9ng L\u00e2m. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, sau khi ch\u01b0ng c\u1ea5t v\u00e0 tinh l\u1ecdc nhi\u1ec1u l\u1ea7n ethanol s\u1ebd c\u00f3 n\u1ed3ng \u0111\u1ed9 cao nh\u1ea5t l\u00e0 99,6%. \u0110\u1ebfn l\u00fac n\u00e0y d\u00f9 ng\u01b0\u1eddi ta c\u00f3 ch\u01b0ng c\u1ea5t (<a href=\"https:\/\/ruouviet.com.vn\/e_n\/chung-cat-chan-khong\/\" target=\"_blank\" rel=\"noopener\"><strong>ch\u01b0ng c\u1ea5t ch\u00e2n kh\u00f4ng<\/strong><\/a>) th\u00eam th\u00ec c\u0169ng kh\u00f4ng th\u1ec3 thu \u0111\u01b0\u1ee3c ethanol n\u1ed3ng \u0111\u1ed9 cao h\u01a1n. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c 99,8% th\u00ec nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i cho ethanol \u0111i qua h\u1ea1t zeolite 3A. T\u1ea1i \u0111\u00e2y, c\u1ed3n s\u1ebd \u0111i qua cho ra n\u1ed3ng \u0111\u1ed9 cao v\u00e0 n\u01b0\u1edbc s\u1ebd b\u1ecb gi\u1eef l\u1ea1i.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>3.2. C\u00e1ch s\u1ea3n xu\u1ea5t c\u1ed3n methanol<\/b><\/h3>\n<h4 style=\"text-align: justify;\"><b>3.2.1. S\u1ea3n xu\u1ea5t c\u1ed3n methanol t\u1eeb kh\u00ed t\u1ed5ng h\u1ee3p v\u00e0 kh\u00ed metan<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t c\u00e1ch s\u1ea3n xu\u1ea5t methanol r\u1ebb v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u nh\u1ea5t kh\u00f4ng th\u1ec3 kh\u00f4ng k\u1ec3 \u0111\u1ebfn l\u00e0 s\u1ea3n xu\u1ea5t t\u1eeb cacbon monoxit (CO) v\u00e0 metan (CH4)<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Cacbon monoxit:<\/b><span style=\"font-weight: 400;\"> Khi d\u00f9ng cacbon monoxit, CO v\u00e0 hydro s\u1ebd ph\u1ea3n \u1ee9ng tr\u00ean ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 t\u1ea1o ra methanol. Ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 h\u1ed7n h\u1ee3p oxit \u0111\u1ed3ng v\u00e0 k\u1ebdm (ZnO), \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u00ean alumina (Al2O3).<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CO + 2H2 \u2192 CH3OH<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>Kh\u00ed metan: <\/b><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 t\u00ean l\u00e0 &#8220;Steam reforming&#8221; d\u1ecbch th\u00f4 l\u00e0 c\u1ea3i c\u00e1ch h\u01a1i n\u01b0\u1edbc. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 s\u1ea3n xu\u1ea5t methanol. Kh\u00ed metan, kh\u00ed t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c th\u00eam h\u01a1i n\u01b0\u1edbc v\u00e0o v\u00e0 \u0111un n\u00f3ng c\u00f9ng v\u1edbi ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 t\u1ea1o ra cacbon monoxide (CO) v\u00e0 hydro. \u0110\u00e2y ch\u00ednh l\u00e0 kh\u00ed t\u1ed5ng h\u1ee3p. Kh\u00ed t\u1ed5ng h\u1ee3p n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u1ec3 chuy\u1ec3n th\u00e0nh methanol.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">CH4 + H2O \u2192 CO + 3H2\u2003\u20031.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">CO2 + 3H2 \u2192 CH3OH + H2O\u2003\u20032.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra d\u00f9ng Cacbon dioxit c\u0169ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p\u00a0 h\u1ea5p d\u1eabn v\u00ec n\u00f3 \u0111\u00f3ng g\u00f3p ph\u1ea7n gi\u1ea3m th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh. Tuy nhi\u00ean c\u00e1ch n\u00e0y v\u1eabn \u0111ang trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n n\u00ean \u0111\u1eaft h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CO2 + 3H2 \u2192 CH 3 OH + H2O<\/span><\/li>\n<\/ul>\n<h4 style=\"text-align: justify;\"><b>3.2.2. S\u1ea3n xu\u1ea5t c\u1ed3n methanol b\u1eb1ng nguy\u00ean li\u1ec7u t\u1ef1 nhi\u00ean (than \u0111\u00e1, d\u1ea7u m\u1ecf)<\/b><\/h4>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Kh\u00ed h\u00f3a than (s\u1ea3n xu\u1ea5t t\u1eeb than)<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">&#8220;Coal Gasification&#8221; &#8211; Kh\u00ed h\u00f3a than l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 h\u1eefu \u00edch \u0111\u1ec3 s\u1ea3n xu\u1ea5t methanol v\u00ec than l\u00e0 nguy\u00ean li\u1ec7u c\u00f3 s\u1eb5n v\u00e0 d\u1ed3i d\u00e0o h\u01a1n kh\u00ed t\u1ef1 nhi\u00ean. \u0110\u1ea7u ti\u00ean, than s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh kh\u00ed g\u1ecdi l\u00e0 kh\u00ed t\u1ed5ng h\u1ee3p th\u00f4ng qua qu\u00e1 tr\u00ecnh kh\u00ed h\u00f3a. Kh\u00ed t\u1ed5ng h\u1ee3p sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p metanol, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh methanol. Tuy vi\u00ean c\u00e1ch n\u00e0y ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n k\u00e9m h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p c\u1ea3i t\u1ea1o b\u1eb1ng h\u01a1i n\u01b0\u1edbc.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>Kh\u00ed h\u00f3a sinh kh\u1ed1i (s\u1ea3n xu\u1ea5t t\u1eeb nguy\u00ean li\u1ec7u th\u00f4)<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">&#8220;Biomass Gasification&#8221; &#8211; Kh\u00ed h\u00f3a sinh kh\u1ed1i hay d\u1ec5 hi\u1ec3u h\u01a1n ch\u00ednh l\u00e0 \u0111\u1ed1t v\u1eadt li\u1ec7u sinh h\u1ecdc nh\u01b0 g\u1ed7, ch\u1ea5t th\u1ea3i n\u00f4ng nghi\u1ec7p (r\u01a1m r\u1ea1,&#8230;), ch\u1ea5t th\u1ea3i r\u1eafn \u0111\u00f4 th\u1ecb th\u00e0nh kh\u00ed. Kh\u00ed n\u00e0y s\u1ebd tr\u1ea3i qua qu\u00e1 tr\u00ecnh kh\u00ed h\u00f3a t\u1ea1o th\u00e0nh kh\u00ed t\u1ed5ng h\u1ee3p. Sau \u0111\u00f3, kh\u00ed t\u1ed5ng h\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u1ec3 chuy\u1ec3n th\u00e0nh methanol.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0 v\u1eady, n\u00f3i m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n th\u00ec methanol l\u00e0 s\u1ea3n ph\u1ea9m ph\u1ee5 thu \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t g\u1ed7. Nh\u01b0ng nhi\u1ec1u ng\u01b0\u1eddi l\u1ea1i \u0111ang hi\u1ec3u l\u1ea7m r\u1eb1ng methanol \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb g\u1ed7 v\u00ec n\u00f3 c\u00f3 t\u00ean qu\u1ed1c t\u1ebf l\u00e0 (wood alcohol). H\u01a1n n\u1eefa, trang wikipedia Vi\u1ec7t Nam c\u0169ng ghi \u201cMethanol th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;c\u1ed3n g\u1ed7&#8221; (wood alcohol) b\u1edfi v\u00ec methanol l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5 trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t kh\u00f4 s\u1ea3n ph\u1ea9m g\u1ed7\u201d m\u00e0 kh\u00f4ng c\u00f3 gi\u1ea3i th\u00edch g\u00ec c\u00f9ng v\u1edbi c\u00e1c b\u00e0i vi\u1ebft kh\u00f4ng r\u00f5 r\u00e0ng t\u1eeb nhi\u1ec1u trang tin Vi\u1ec7t Nam\u00a0 khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng c\u1ed3n methanol \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb g\u1ed7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1ea3n xu\u1ea5t methanol t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u1ed1t g\u1ed7 l\u00e0 c\u00f3 th\u1ec3 nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o th\u1ef1c ti\u1ec5n b\u1edfi hi\u1ec7u su\u1ea5t sinh methanol r\u1ea5t th\u1ea5p v\u00e0 gi\u00e1 nguy\u00ean li\u1ec7u th\u00f4 (g\u1ed7) l\u1ea1i cao)<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>4. \u1ee8ng d\u1ee5ng c\u1ee7a c\u1ed3n trong cu\u1ed9c s\u1ed1ng<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ed3n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong r\u1ea5t nhi\u1ec1u s\u1ea3n ph\u1ea9m xung quanh ch\u00fang ta. Do v\u1eady, ngo\u00e0i 2 c\u00e1ch ph\u00e2n lo\u1ea1i tr\u00ean, ch\u00fang ta c\u00f2n c\u00f3 th\u1ec3 ph\u00e2n lo\u1ea1i c\u1ed3n d\u1ef1a v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. C\u1ee5 th\u1ec3, g\u1ed3m \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>4.1. S\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ea3 ethanol (c\u1ed3n) v\u00e0 methanol (c\u1ed3n c\u00f4ng nghi\u1ec7p methanol) \u0111\u1ec1u \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u ng\u00e0nh s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.\u00a0<\/span><\/p>\n<table style=\"width: 100%; height: 267px;\">\n<tbody>\n<tr style=\"height: 50px;\">\n<td style=\"height: 32px; text-align: center;\"><strong>Ethanol<\/strong><\/td>\n<td style=\"height: 32px; text-align: center;\"><strong>Methanol<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"height: 41px;\"><span style=\"font-weight: 400;\">\u00a0L\u00e0m nguy\u00ean li\u1ec7u c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 kh\u00e1c nh\u01b0: axit axetic, dietyl ete, etyl axetat,&#8230;<\/span><\/td>\n<td style=\"height: 41px;\"><span style=\"font-weight: 400;\">D\u00f9ng trong s\u1ea3n xu\u1ea5t formalin, andehit fomic v\u00e0 axit axetic,&#8230;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 72px;\">\n<td style=\"height: 56px;\"><span style=\"font-weight: 400;\">\u00a0D\u1ea1ng dung m\u00f4i, ethanol l\u00e0 ch\u1ea5t \u0111i\u1ec1u ch\u1ebf trong c\u00e1c ng\u00e0nh in \u1ea5n, \u0111i\u1ec7n t\u1eed, bo m\u1ea1ch, d\u1ec7t may, n\u01b0\u1edbc hoa, m\u1ef9 ph\u1ea9m, kem n\u1ec1n,&#8230;<\/span><\/td>\n<td style=\"height: 56px;\"><span style=\"font-weight: 400;\">D\u00f9ng l\u00e0m ch\u1ea5t t\u1ea9y r\u1eeda, ho\u1eb7c x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, s\u01a1n, in \u1ea5n, s\u1ee3i v\u1ea3i t\u1ed5ng h\u1ee3p, ch\u1ea5t k\u1ebft d\u00ednh,&#8230;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"height: 49px;\"><span style=\"font-weight: 400;\">\u00a0D\u00f9ng trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1ng \u0111\u00f4ng do ch\u00fang c\u00f3 \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng th\u1ea5p.<\/span><\/td>\n<td style=\"height: 49px;\"><span style=\"font-weight: 400;\">L\u00e0m ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng l\u1ea1nh<\/span><\/td>\n<\/tr>\n<tr style=\"height: 72px;\">\n<td style=\"height: 45px;\"><span style=\"font-weight: 400;\">\u00a0D\u00f9ng \u0111\u1ec3 pha ch\u1ebf x\u0103ng sinh h\u1ecdc E5, E10 v\u1edbi t\u1ef7 l\u1ec7 c\u1ed3n chi\u1ebfm 10%.<\/span><\/td>\n<td style=\"height: 45px;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u nh\u01b0 d\u1ea7u diesel sinh h\u1ecdc, l\u00e0m nhi\u00ean li\u1ec7u thay th\u1ebf cho t\u00e0u bi\u1ec3n, l\u00e0m nhi\u00ean li\u1ec7u cho n\u1ed3i h\u01a1i (t\u1ea1i Trung Qu\u1ed1c)<\/span><\/td>\n<\/tr>\n<tr style=\"height: 57px;\">\n<td style=\"height: 44px;\"><span style=\"font-weight: 400;\">\u00a0Pin nhi\u00ean li\u1ec7u, nhi\u00ean li\u1ec7u t\u00ean l\u1eeda<\/span><\/td>\n<td style=\"height: 44px;\"><span style=\"font-weight: 400;\">L\u00e0m pin nhi\u00ean li\u1ec7u cung c\u1ea5p hydrogen<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u00ecn v\u00e0o b\u1ea3ng ta c\u00f3 th\u1ec3 th\u1ea5y, nh\u1eefng s\u1ea3n ph\u1ea9m l\u00e0m ra t\u1eeb ethanol c\u00f3 ph\u1ea7n an to\u00e0n h\u01a1n so v\u1edbi nh\u1eefng ch\u1ebf ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb methanol ho\u1eb7c methanol l\u00e0m th\u00e0nh ph\u1ea7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1edbi m\u1ed7i \u1ee9ng d\u1ee5ng, c\u1ed3n ethanol s\u1ebd c\u1ea7n ph\u1ea3i \u0111\u1ea1t nh\u1eefng ti\u00eau chu\u1ea9n kh\u00e1c nhau. V\u00ed d\u1ee5 nh\u01b0 c\u1ed3n ethanol d\u00f9ng \u0111\u1ec3 pha x\u0103ng sinh h\u1ecdc E5, E10 th\u00ec g\u1ecdi l\u00e0 c\u1ed3n kh\u00f4ng bi\u1ebfn t\u00ednh. C\u1ed3n ethanol d\u00f9ng \u0111\u1ec3 pha x\u0103ng ph\u1ea3i \u0111\u1ea1t n\u1ed3ng \u0111\u1ed9 t\u1ed1i thi\u1ec3u l\u00e0 99,5%. V\u00ec n\u1ebfu th\u1ea5p h\u01a1n s\u1ebd x\u1ea3y ra t\u00ecnh tr\u1ea1ng x\u0103ng ng\u1eadm n\u01b0\u1edbc l\u00e0m h\u1ecfng \u0111\u1ed9ng c\u01a1. C\u00f2n theo quy chu\u1ea9n QCVN 1:2020\/BKHCN Vi\u1ec7t Nam, c\u1ed3n pha x\u0103ng sinh h\u1ecdc c\u1ea7n ph\u1ea3i \u0111\u1ea1t t\u1ed1i thi\u1ec3u 99,0% v\u00e0 kh\u00f4ng ch\u1ee9a n\u01b0\u1edbc:<\/span><\/p>\n<table style=\"width: 97.4662%; height: 232px;\">\n<tbody>\n<tr style=\"height: 35px;\">\n<td style=\"text-align: center; width: 6.37755%; height: 35px;\"><strong>STT<\/strong><\/td>\n<td style=\"height: 35px; text-align: center; width: 81.2075%;\"><b>T\u00ean ch\u1ec9 ti\u00eau<\/b><\/td>\n<td style=\"height: 35px; text-align: center; width: 11.5646%;\"><b>M\u1ee9c<\/b><\/td>\n<\/tr>\n<tr style=\"height: 36px;\">\n<td style=\"width: 6.37755%; text-align: center; height: 35px;\"><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td style=\"height: 35px; text-align: left; width: 81.2075%;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng etanol, % th\u1ec3 t\u00edch, kh\u00f4ng nh\u1ecf h\u01a1n<\/span><\/td>\n<td style=\"height: 35px; text-align: center; width: 11.5646%;\"><span style=\"font-weight: 400;\">99,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 32px;\">\n<td style=\"width: 6.37755%; text-align: center; height: 31px;\"><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"height: 31px; text-align: left; width: 81.2075%;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng metanol, % th\u1ec3 t\u00edch, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"height: 31px; text-align: center; width: 11.5646%;\"><span style=\"font-weight: 400;\">0,5<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 6.37755%; text-align: center; height: 33px;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"height: 33px; text-align: left; width: 81.2075%;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc, % th\u1ec3 t\u00edch, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"height: 33px; text-align: center; width: 11.5646%;\"><span style=\"font-weight: 400;\">1,0\u00a0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 6.37755%; text-align: center; height: 52px;\"><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td style=\"height: 52px; text-align: left; width: 81.2075%;\"><span style=\"font-weight: 400;\">\u00a0\u0110\u1ed9 axit (t\u00ednh theo axit axetic CH3COOH), <\/span><span style=\"font-weight: 400;\">% kh\u1ed1i l\u01b0\u1ee3ng (mg\/L), kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"height: 52px; text-align: center; width: 11.5646%;\"><span style=\"font-weight: 400;\">0,007 (56)<\/span><\/td>\n<\/tr>\n<tr style=\"height: 47px;\">\n<td style=\"width: 6.37755%; text-align: center; height: 46px;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"height: 46px; text-align: left; width: 81.2075%;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng clorua v\u00f4 c\u01a1, mg\/L (mg\/kg), <\/span><span style=\"font-weight: 400;\">kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"height: 46px; text-align: center; width: 11.5646%;\"><span style=\"font-weight: 400;\">8 (10)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>4.2. S\u1eed d\u1ee5ng trong y t\u1ebf<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong y t\u1ebf, c\u1ed3n ethanol \u0111\u01b0\u1ee3c d\u00f9ng v\u00e0o r\u1ea5t nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau nh\u01b0 c\u1ed3n s\u00e1t khu\u1ea9n (ti\u1ec7t tr\u00f9ng) 70 \u0111\u1ed9 v\u00e0 90 \u0111\u1ed9. V\u00e0 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u1ed3n d\u00f9ng trong y t\u1ebf nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb ethanol (r\u01b0\u1ee3u etylic), kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p l\u00e0m t\u1eeb methanol.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 c\u1ed3n 70 \u0111\u1ed9 v\u00e0 c\u1ed3n 90 \u0111\u1ed9. Trong \u0111\u00f3, c\u1ed3n 70 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u00e1t tr\u00f9ng sau khi ti\u00eam t\u1ed1t, kh\u00f4ng g\u00e2y b\u1ecfng da v\u00e0 c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 v\u1ec7 sinh ph\u00f2ng, thi\u1ebft b\u1ecb y t\u1ebf. V\u1edbi c\u1ed3n 90 \u0111\u1ed9, \u0111\u00e2y l\u00e0 lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong y t\u1ebf v\u00e0 th\u1ea9m m\u1ef9, chuy\u00ean d\u00f9ng \u0111\u1ec3 s\u00e1t khu\u1ea9n v\u1ebft th\u01b0\u01a1ng sau khi ph\u1eabu thu\u1eadt.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, ethanol c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m th\u00e0nh ph\u1ea7n trong r\u1ea5t nhi\u1ec1u c\u00e1c ch\u1ebf ph\u1ea9m thu\u1ed1c nh\u01b0: n\u01b0\u1edbc s\u00fac mi\u1ec7ng, siro ho, thu\u1ed1c g\u00e2y m\u00ea, thu\u1ed1c ng\u1ee7,&#8230;.\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n d\u00f9ng trong y t\u1ebf th\u00ec \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 h\u00e0m l\u01b0\u1ee3ng methanol ph\u1ea3i \u1edf m\u1ee9c quy \u0111\u1ecbnh. C\u1ee5 th\u1ec3, c\u1ed3n y t\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p c\u00f3 qu\u00e1\u00a0 0,02% methanol, c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 0,03%.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4389 size-full\" title=\"C\u00e1c lo\u1ea1i c\u1ed3n trong cu\u1ed9c s\u1ed1ng - C\u1ed3n y t\u1ebf\" src=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-con-y-te-90-do-1.jpg\" alt=\"C\u00e1c lo\u1ea1i c\u1ed3n trong cu\u1ed9c s\u1ed1ng - C\u1ed3n y t\u1ebf\" width=\"800\" height=\"531\" srcset=\"https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-con-y-te-90-do-1.jpg 800w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-con-y-te-90-do-1-300x199.jpg 300w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-con-y-te-90-do-1-768x510.jpg 768w, https:\/\/ruouviet.com.vn\/wp-content\/uploads\/2024\/05\/cac-loai-con-con-y-te-90-do-1-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><b>4.3. S\u1eed d\u1ee5ng trong th\u1ef1c ph\u1ea9m<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i c\u1ed3n (ethanol) d\u00f9ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m th\u00ec Vi\u1ec7t Nam th\u01b0\u1eddng g\u1ecdi l\u00e0 c\u1ed3n th\u1ef1c ph\u1ea9m. Lo\u1ea1i c\u1ed3n th\u1ef1c ph\u1ea9m n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb r\u1ec9 m\u1eadt, ng\u00f4, g\u1ea1o, c\u00e1c ngo\u1ea1i ng\u0169 c\u1ed1c n\u00f3i chung,&#8230;. Vai tr\u00f2 c\u1ee7a c\u1ed3n trong ng\u00e0nh n\u00e0y c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0: l\u00e0m ch\u1ea5t b\u1ea3o qu\u1ea3n rau c\u1ee7, tr\u00e1i c\u00e2y, th\u1ef1c ph\u1ea9m kh\u00e1c \u0111\u1ec3 k\u00e9o d\u00e0i h\u1ea1n s\u1eed d\u1ee5ng; chi\u1ebft xu\u1ea5t tinh d\u1ea7u, h\u01b0\u01a1ng li\u1ec7u t\u1eeb th\u1ef1c v\u1eadt; l\u00e0m dung m\u00f4i trong s\u1ea3n xu\u1ea5t chi\u1ebft xu\u1ea5t vani; kh\u1eed cafein trong c\u00e0 ph\u00ea v\u00e0 tr\u00e0, chi\u1ebft xu\u1ea5t d\u1ea7u th\u1ef1c v\u1eadt v\u00e0 s\u1ea3n xu\u1ea5t glycerin c\u1ea5p th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1eb7c bi\u1ec7t, c\u1ed3n th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c d\u00f9ng kh\u00e1 nhi\u1ec1u trong s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u, \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n. \u0110\u00e2y l\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n, \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t ph\u1ea3i tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n v\u1ec7 sinh an to\u00e0n th\u1ef1c ph\u1ea9m, tu\u00e2n theo ngh\u1ecb \u0111\u1ecbnh 17, ngh\u1ecb \u0111\u1ecbnh 105 v\u00e0 ph\u1ea3i \u0111\u1ea1t quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia \u0111\u1ed1i v\u1edbi \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3, c\u1ed3n ethanol ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p d\u00f9ng \u0111\u1ec3 pha ch\u1ebf r\u01b0\u1ee3u khi \u0111\u1ea1t \u0111\u01b0\u1ee3c quy chu\u1ea9n qu\u1ed1c gia QCVN 6-3:2010\/BYT:<\/span><\/p>\n<table style=\"width: 95.5192%; height: 485px;\">\n<tbody>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; height: 50px;\">\n<p style=\"text-align: center;\"><b>STT<\/b><\/p>\n<\/td>\n<td style=\"width: 75.323%; text-align: center; height: 50px;\"><b>T\u00ean ch\u1ec9 ti\u00eau<\/b><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><b>M\u1ee9c quy \u0111\u1ecbnh<\/b><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng etanol \u1edf 20oC, % th\u1ec3 t\u00edch, kh\u00f4ng nh\u1ecf h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">96,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng axit t\u1ed5ng s\u1ed1, t\u00ednh theo axit axetic, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">15,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng este, t\u00ednh theo etyl axetat, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">13,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng aldehyde, t\u00ednh theo axetaldehyd, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">5,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u b\u1eadc cao, t\u00ednh theo metyl-2 propanol-1, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">5,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0 H\u00e0m l\u01b0\u1ee3ng methanol, mg\/l c\u1ed3n 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">300<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">7<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng ch\u1ea5t kh\u00f4, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">15,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 50px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td style=\"width: 75.323%; height: 50px;\"><span style=\"font-weight: 400;\">\u00a0 H\u00e0m l\u01b0\u1ee3ng c\u00e1c baz\u01a1 d\u1ec5 bay h\u01a1i c\u00f3 ch\u1ee9a nit\u01a1, t\u00ednh theo nit\u01a1, mg\/l etanol 100o, kh\u00f4ng l\u1edbn h\u01a1n<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 50px;\"><span style=\"font-weight: 400;\">1,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 8.8082%; text-align: center; height: 35px;\"><span style=\"font-weight: 400;\">9<\/span><\/td>\n<td style=\"width: 75.323%; height: 35px;\"><span style=\"font-weight: 400;\">\u00a0H\u00e0m l\u01b0\u1ee3ng furfural<\/span><\/td>\n<td style=\"width: 96.7168%; text-align: center; height: 35px;\"><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u00e1t hi\u1ec7n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd: methanol kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong th\u1ef1c ph\u1ea9m b\u1edfi n\u00f3 \u0111\u1ed9c h\u1ea1i.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>5. C\u1ed3n d\u00f9ng sai m\u1ee5c \u0111\u00edch s\u1ebd \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 g\u00ec?<\/b><\/h2>\n<h3 style=\"text-align: justify;\"><b>5.1. Th\u1ef1c tr\u1ea1ng vi\u1ec7c d\u00f9ng c\u1ed3n sai m\u1ee5c \u0111\u00edch<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u01b0\u1eddng nghe \u0111\u01b0\u1ee3c nh\u1eefng v\u1ee5 ng\u1ed9 \u0111\u1ed9c do u\u1ed1ng ph\u1ea3i r\u01b0\u1ee3u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng? \u0110\u00e2y ch\u00ednh l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ed3n sai m\u1ee5c \u0111\u00edch.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thay v\u00ec d\u00f9ng c\u1ed3n th\u1ef1c ph\u1ea9m \u0111\u1ea1t ti\u00eau chu\u1ea9n \u0111\u1ec3 pha ch\u1ebf r\u01b0\u1ee3u v\u00e0 \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n th\u00ec c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi l\u1ea1i d\u00f9ng c\u1ed3n c\u00f4ng nghi\u1ec7p ho\u1eb7c c\u1ed3n c\u00f4ng nghi\u1ec7p methanol \u0111\u1ec3 pha. Vi\u1ec7c n\u00e0y x\u1ea3y ra c\u00f3 th\u1ec3 l\u00e0 do thi\u1ebfu hi\u1ec3u bi\u1ebft ho\u1eb7c nh\u1ea7m l\u1eabn, nh\u01b0ng c\u1ea3 2 lo\u1ea1i c\u1ed3n c\u00f4ng nghi\u1ec7p v\u00e0 c\u1ed3n methanol\u00a0 \u0111\u1ec1u kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p d\u00f9ng trong th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng b\u1edfi trong \u0111\u00f3 v\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u t\u1ea1p ch\u1ea5t nh\u01b0 (furfural, methanol, r\u01b0\u1ee3u b\u1eadc cao,&#8230;)v\u00e0 \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi u\u1ed1ng.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00f2n c\u00f3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ed3n s\u00e1t khu\u1ea9n tay pha v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 u\u1ed1ng thay r\u01b0\u1ee3u, ti\u00eau bi\u1ec3u nh\u01b0 v\u1ee5 3 ng\u01b0\u1eddi \u1edf C\u00e0 Mau th\u00e1ng 6\/2023. C\u1ea3 3 ng\u01b0\u1eddi \u0111\u00e3 ph\u1ea3i \u0111i c\u1ea5p c\u1ee9u trong t\u00ecnh tr\u1ea1ng nguy k\u1ecbch. V\u1ec1 l\u00fd thuy\u1ebft th\u00ec \u0111\u00e2y c\u0169ng l\u00e0 c\u1ed3n ethanol (r\u01b0\u1ee3u etylic) nh\u01b0ng c\u1ed3n s\u00e1t khu\u1ea9n tay n\u00e0y kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u1ed3n d\u00f9ng trong th\u1ef1c ph\u1ea9m, h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t nh\u01b0 methanol, furfural, nit\u01a1, acid,&#8230; cao v\u01b0\u1ee3t ng\u01b0\u1ee1ng).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y ch\u1ec9 l\u00e0 m\u1ed9t trong r\u1ea5t nhi\u1ec1u h\u1eadu qu\u1ea3 khi d\u00f9ng c\u1ed3n sai m\u1ee5c \u0111\u00edch. Vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi u\u1ed1ng, m\u00e0 c\u00f2n v\u00f4 t\u00ecnh l\u00e0m c\u1ed3n th\u1ef1c ph\u1ea9m b\u1ecb \u201cv\u1ea1 l\u00e2y\u201d, x\u1ea5u \u0111i trong m\u1eaft m\u1ecdi ng\u01b0\u1eddi, khi\u1ebfn ng\u01b0\u1eddi ta c\u1ee9 nghe t\u1edbi c\u1ed3n l\u00e0 ngh\u0129 \u0111\u1ed9c h\u1ea1i.<\/span><\/p>\n<p><strong>More:\u00a0<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/ruouviet.com.vn\/e_n\/uong-ruou-dau-dau\/\" target=\"_blank\" rel=\"noopener\">Why drink alcohol headache, thirst? Reveal how to avoid them<\/a><\/li>\n<li><a href=\"https:\/\/ruouviet.com.vn\/e_n\/co-che-say-ruou\/\" target=\"_blank\" rel=\"noopener\">Mechanism and speed the elimination of alcohol, tips to increase wine quality<\/a><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>5.2. Th\u1ef1c h\u01b0 vi\u1ec7c c\u1ed1 t\u00ecnh d\u00f9ng c\u1ed3n methanol, c\u1ed3n c\u00f4ng nghi\u1ec7p trong s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3 m\u1ed9t s\u1ef1 th\u1eadt l\u00e0 hi\u1ec7n nay h\u1ea7u h\u1ebft c\u00e1c b\u00e0i b\u00e1o tr\u00ean m\u1ea1ng khi n\u00f3i v\u1ec1 c\u00e1c v\u1ee5 vi\u1ec7c pha r\u01b0\u1ee3u b\u1eb1ng c\u1ed3n methanol ho\u1eb7c c\u1ed3n c\u00f4ng nghi\u1ec7p \u0111\u1ec1u kh\u00e1 quy ch\u1ee5p cho r\u1eb1ng ng\u01b0\u1eddi b\u00e1n r\u01b0\u1ee3u c\u1ed1 t\u00ecnh d\u00f9ng c\u1ed3n methanol \u0111\u1ec3 pha r\u01b0\u1ee3u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tuy nhi\u00ean theo R\u01b0\u1ee3u Vi\u1ec7t, v\u00ec h\u1ecd kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1eddi tham gia v\u00e0o s\u1ea3n xu\u1ea5t n\u00ean kh\u00f4ng bi\u1ebft. Theo Gi\u00e1m \u0111\u1ed1c nh\u00e0 m\u00e1y c\u1ed3n Xu\u00e2n L\u1ed9c, Gi\u00e1m \u0111\u1ed1c k\u1ef9 thu\u1eadt nh\u00e0 m\u00e1y c\u1ed3n t\u00f9ng l\u00e2m: Khi s\u1ea3n xu\u1ea5t c\u1ed3n th\u1ef1c ph\u1ea9m lu\u00f4n c\u00f3 c\u00f4ng \u0111o\u1ea1n t\u00e1ch 3-5% c\u1ed3n \u0111\u1ea7u v\u00e0 c\u1ed3n cu\u1ed1i. Trong l\u01b0\u1ee3ng c\u1ed3n n\u00e0y ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng methanol v\u00e0 t\u1ea1p ch\u1ea5t cao. C\u1ed3n lo\u1ea1i n\u00e0y th\u00f4ng th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c b\u00e1n cho c\u00e1c c\u01a1 s\u1edf s\u00e1t khu\u1ea9n, s\u1ea3n xu\u1ea5t c\u1ed3n kh\u00f4 \u0111\u1ec3 \u0111\u1ed1t,&#8230; nh\u01b0ng khi bu\u00f4n b\u00e1n qua nhi\u1ec1u c\u1ea5p \u0111\u1ed9 ho\u1eb7c c\u00f4ng ty th\u01b0\u01a1ng m\u1ea1i d\u00e1n nh\u00e3n kh\u00f4ng r\u00f5 r\u00e0ng d\u1ea7n \u0111\u1ebfn nh\u1ea7m l\u1eabn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng s\u1eed d\u1ee5ng c\u1ed3n sai m\u1ee5c \u0111\u00edch th\u01b0\u1eddng th\u1ea5y g\u1ed3m:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Do mu\u1ed1n pha r\u01b0\u1ee3u t\u1eeb c\u1ed3n th\u1ef1c ph\u1ea9m, nh\u01b0ng thi\u1ebfu hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i c\u1ed3n n\u00ean mua nh\u1ea7m c\u00e1c lo\u1ea1i v\u1edbi nhau. Ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 do ng\u01b0\u1eddi b\u00e1n c\u1ed3n nh\u1ea7m l\u1eabn c\u00e1c lo\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng ty s\u1ea3n xu\u1ea5t c\u1ed3n lu\u00f4n c\u00f3 c\u00f4ng \u0111o\u1ea1n ph\u00e2n lo\u1ea1i, l\u01b0u kho, xu\u1ea5t kho. Nh\u01b0ng qua th\u1eddi gian d\u00e0i tem nh\u00e3n m\u1edd \u0111i, t\u1edbi khi xu\u1ea5t x\u01b0\u1edfng l\u00e0 nh\u1ea7m c\u00e1c lo\u1ea1i v\u1edbi nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 m\u1ed9t nguy\u00ean nh\u00e2n n\u1eefa kh\u00e1 nh\u1ee9c nh\u1ed1i. \u0110\u00f3 l\u00e0 c\u1ed3n th\u1ea3i ra (c\u00f3 methanol v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i) trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c b\u00e1n l\u1ea1i cho ng\u01b0\u1eddi mua nh\u01b0ng kh\u00f4ng c\u1ea7n bi\u1ebft m\u1ee5c \u0111\u00edch ng\u01b0\u1eddi ta d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ec v\u1eady, theo g\u00f3c nh\u00ecn c\u1ee7a R\u01b0\u1ee3u Vi\u1ec7t: Nh\u00e0 b\u00e1o, ph\u00f3ng vi\u00ean vi\u1ebft b\u00e0i,&#8230;. kh\u00f4ng ph\u1ea3i nh\u00e0 s\u1ea3n xu\u1ea5t n\u00ean kh\u00f4ng bi\u1ebft r\u00f5 v\u1ec1 c\u1ed3n methanol. C\u1ed3n methanol c\u00f4ng nghi\u1ec7p m\u1ee9c \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi thu\u1ed1c s\u00e2u n\u00ean \u0111\u1ec3 ng\u01b0\u1eddi l\u00e0m c\u1ed1 t\u00ecnh \u0111\u1ed5 v\u00e0o pha r\u01b0\u1ee3u th\u00ec kh\u00f4ng\u00a0 ph\u1ea3i, kh\u00f4ng d\u00e1m l\u00e0m. H\u1ecd ch\u1ec9 l\u00e0 thi\u1ebfu hi\u1ec3u bi\u1ebft, nh\u1ea7m l\u1eabn ho\u1eb7c c\u1ea3 tin trong khi mua c\u1ed3n n\u00ean m\u1edbi x\u1ea3y ra t\u00ecnh tr\u1ea1ng l\u00e0m r\u01b0\u1ee3u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>5.3. C\u1ed3n d\u00f9ng sai m\u1ee5c \u0111\u00edch s\u1ebd \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc ti\u00ean, d\u00f9ng c\u1ed3n sai m\u1ee5c \u0111\u00edch s\u1ebd khi\u1ebfn h\u00e0ng h\u00f3a kh\u00f4ng \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng b\u00e1n ra, t\u1eeb \u0111\u00f3 g\u00e2y th\u00e2m h\u1ee5t ti\u1ec1n v\u1ed1n. V\u00ed d\u1ee5 nh\u01b0 pha x\u0103ng sinh h\u1ecdc nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i d\u00f9ng c\u1ed3n ethanol 99,5% v\u1edbi ti\u00eau chu\u1ea9n kh\u00f4ng c\u00f3 n\u01b0\u1edbc, v\u00e0 m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed kh\u00e1c. Tuy nhi\u00ean n\u1ebfu ng\u01b0\u1eddi l\u00e0m d\u00f9ng c\u1ed3n methanol \u0111\u1ec3 pha ho\u1eb7c d\u00f9ng ethanol kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u00ec x\u0103ng ch\u1eafc ch\u1eafn s\u1ebd kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c. N\u1ebfu c\u1ed1 t\u00ecnh b\u00e1n ra th\u00ec c\u1ea3 \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t v\u00e0 c\u00e2y x\u0103ng c\u0169ng s\u1ebd b\u1ecb ph\u1ea1t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, c\u0169ng \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u v\u1ee5 ng\u1ed9 \u0111\u1ed9c methanol x\u1ea3y ra khi s\u1eed d\u1ee5ng c\u1ed3n sai m\u1ee5c \u0111\u00edch:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">10\/2023, 5 ng\u01b0\u1eddi \u1edf B\u1eafc K\u1ea1n \u0111\u00e3 ph\u1ea3i \u0111i c\u1ea5p c\u1ee9u sau khi u\u1ed1ng r\u01b0\u1ee3u t\u1ea1i m\u1ed9t qu\u00e1n l\u1ea9u. Lo\u1ea1i r\u01b0\u1ee3u n\u00e0y sau khi \u0111i x\u00e9t nghi\u1ec7m th\u00ec ph\u00e1t hi\u1ec7n h\u00e0m l\u01b0\u1ee3ng methanol cao h\u01a1n g\u1ea5p 30 l\u1ea7n cho ph\u00e9p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">9\/2023, 2 d\u00ec ch\u00e1u t\u1ea1i C\u00e0 Mau b\u1ecb ng\u1ed9 \u0111\u1ed9c methanol sau u\u1ed1ng r\u01b0\u1ee3u pha t\u1eeb 1 l\u00edt r\u01b0\u1ee3u tr\u1eafng (\u0111\u01b0\u1ee3c cho t\u1eeb T\u00e2y Ninh), v\u1edbi 1 l\u00edt n\u01b0\u1edbc l\u1ecdc v\u00e0 2 mu\u1ed7ng n\u01b0\u1edbc m\u00e0u (d\u00f9ng kho c\u00e1). Ng\u01b0\u1eddi ch\u00e1u t\u00ean X b\u1ecb ti\u00ean l\u01b0\u1ee3ng r\u1ea5t n\u1eb7ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">8\/2023, 3 ng\u01b0\u1eddi t\u1ea1i Ki\u00ean Giang b\u1ecb ng\u1ed9 \u0111\u1ed9c, c\u1ea5p c\u1ee9u trong t\u00ecnh tr\u1ea1ng n\u1eb7ng do u\u1ed1ng ph\u1ea3i r\u01b0\u1ee3u c\u00f3 ch\u1ee9a methanol h\u00e0m l\u01b0\u1ee3ng cao. Trong v\u1ee5 n\u00e0y \u0111\u00e3 c\u00f3 2 ng\u01b0\u1eddi t\u1eed vong.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">2\/2023: 7 ng\u01b0\u1eddi t\u1ea1i Th\u00e1i B\u00ecnh u\u1ed1ng r\u01b0\u1ee3u khai xu\u00e2n \u0111\u00e3 b\u1ecb ng\u1ed9 \u0111\u1ed9c r\u1ea5t n\u1eb7ng. Lo\u1ea1i \u201cr\u01b0\u1ee3u\u201d m\u00e0 nh\u00f3m 7 ng\u01b0\u1eddi u\u1ed1ng sua khi mang \u0111i x\u00e9t nghi\u1ec7m th\u00ec c\u00f3 t\u1edbi 58% l\u00e0 methanol.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y ch\u1ec9 l\u00e0 m\u1ed9t s\u1ed1 v\u1ee5 ti\u00eau bi\u1ec3u trong n\u0103m 2023, t\u1ea5t c\u1ea3 \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 kh\u00f4n l\u01b0\u1eddng. Do v\u1eady, tr\u01b0\u1edbc khi mua c\u1ed3n v\u1ec1 s\u1eed d\u1ee5ng, b\u1ea1n c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u k\u1ef9 th\u00f4ng tin v\u1ec1 t\u1eebng lo\u1ea1i c\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ed3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang m\u1ee5c \u0111\u00edch.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n ph\u1ea3i c\u00f3 gi\u1ea5y ph\u00e9p v\u00e0 \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u1ee7a t\u1eebng lo\u1ea1i. M\u1ed7i n\u0103m Vi\u1ec7t Nam ti\u00eau th\u1ee5 kho\u1ea3ng 300 tri\u1ec7u l\u00edt r\u01b0\u1ee3u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 600-800 tri\u1ec7u chai. Tuy nhi\u00ean s\u1ed1 v\u1ee5 ng\u1ed9 \u0111\u1ed9c r\u01b0\u1ee3u x\u1ea3y ra kh\u00f4ng nhi\u1ec1u v\u00e0 v\u1ee5 ng\u1ed9 \u0111\u1ed9c methanol l\u1ea1i v\u00f4 c\u00f9ng nh\u1ecf. D\u00f9 nh\u1ecf nh\u01b0ng ng\u01b0\u1eddi u\u1ed1ng v\u1eabn c\u1ea7n ph\u1ea3i c\u1ea3nh gi\u00e1. H\u00e3y l\u00e0 ng\u01b0\u1eddi u\u1ed1ng th\u00f4ng th\u00e1i v\u00e0 c\u00f3 hi\u1ec3u bi\u1ebft. B\u1ea1n n\u00ean mua r\u01b0\u1ee3u t\u1ea1i c\u00e1c h\u1ed9 n\u1ea5u r\u01b0\u1ee3u truy\u1ec1n th\u1ed1ng, c\u00e1c c\u01a1 s\u1edf uy t\u00edn v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi mua \u0111\u00e1nh gi\u00e1 cao.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a R\u01b0\u1ee3u Vi\u1ec7t v\u1ec1 c\u1ed3n, n\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc c\u1ea7n gi\u1ea3i \u0111\u00e1p th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn nh\u00e9!<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>N\u00f3i t\u1edbi c\u1ed3n l\u00e0 \u0111\u1ea1i \u0111a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi s\u1ebd ngh\u0129 ngay \u0111\u1ebfn \u0111\u1ed9c h\u1ea1i, kh\u00f4ng t\u1ed1t cho s\u1ee9c kh\u1ecfe. Nh\u01b0ng trong th\u1ef1c t\u1ebf, c\u1ed3n c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i c\u00f3 1 ti\u00eau chu\u1ea9n l\u00fd h\u00f3a ri\u00eang, v\u00e0 c\u0169ng \u0111\u1ec3 \u1ee9ng d\u1ee5ng r\u1ea5t ri\u00eang v\u00e0o c\u00e1c l\u0129nh v\u1ef1c: th\u1ef1c ph\u1ea9m, m\u1ef1c in, s\u01a1n, pha..<\/p>","protected":false},"author":2,"featured_media":4381,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,104,63],"tags":[],"class_list":["post-4376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khac","category-nghe-ruou","category-tin-tuc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e1c lo\u1ea1i c\u1ed3n trong \u0111\u1eddi s\u1ed1ng, \u1ee9ng d\u1ee5ng v\u00e0 m\u1ed9t s\u1ed1 nh\u1ea7m 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