{"id":6244236,"date":"2021-10-22T07:02:57","date_gmt":"2021-10-22T07:02:57","guid":{"rendered":"https:\/\/yp.vn\/?p=6244236"},"modified":"2021-10-22T14:02:57","modified_gmt":"2021-10-22T07:02:57","slug":"con-cong-nghiep-ethanol-va-methanol","status":"publish","type":"post","link":"https:\/\/yp.com.vn\/con-cong-nghiep-ethanol-va-methanol\/","title":{"rendered":"C\u1ed2N C\u00d4NG NGHI\u1ec6P ETHANOL V\u00c0 METHANOL"},"content":{"rendered":"<p>[vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_column_text]<\/p>\n<h1 style=\"text-align: center;\">\u00a0C\u1ed2N C\u00d4NG NGHI\u1ec6P ETHANOL V\u00c0 METHANOL<\/h1>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/hoa-chat-va-may-moc-cong-nghiep\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>C\u1ed3n c\u00f4ng nghi\u1ec7p<\/strong><\/a> l\u00e0 h\u00f3a ch\u1ea5t kh\u00e1 quen thu\u1ed9c, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c. V\u1eady c\u1ed3n c\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 ra sao? N\u00f3 c\u00f3 g\u00e2y \u0111\u1ed9c h\u1ea1i kh\u00f4ng? H\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u nh\u00e9.<\/p>\n<h2 id=\"mcetoc_1ff7br57r1\"><strong><a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/hoa-chat-va-may-moc-cong-nghiep\/\" rel=\"nofollow noopener\" target=\"_blank\">C\u1ed3n c\u00f4ng nghi\u1ec7p<\/a> l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>C\u1ed3n c\u00f4ng nghi\u1ec7p l\u00e0 lo\u1ea1i h\u1ee3p ch\u1ea5t c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 th\u1ef1c ph\u1ea9m. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a c\u1ed3n c\u00f4ng nghi\u1ec7p l\u00e0\u00a0C<sub>2<\/sub>H<sub>6<\/sub>O ho\u1eb7c C<sub>2<\/sub>H<sub>5<\/sub>OH.<\/p>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i v\u1edbi c\u00e1c n\u1ed3ng \u0111\u1ed9 kh\u00e1c nhau, nh\u01b0ng ch\u1ee7 y\u1ebfu c\u00f3 th\u1ec3 chia th\u00e0nh ba lo\u1ea1i ch\u00ednh: c\u1ed3n c\u00f4ng nghi\u1ec7p chung,\u00a0<strong>c\u1ed3n ethanol<\/strong>\u00a0v\u00e0 c\u1ed3n th\u1ef1c ph\u1ea9m.<\/p>\n<p>Tuy chia th\u00e0nh 3 lo\u1ea1i kh\u00e1c nhau nh\u01b0ng ch\u00fang v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd chung c\u1ee7a c\u1ed3n nh\u01b0 l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, t\u00ednh tan trong n\u01b0\u1edbc, d\u1ec5 bay h\u01a1i v\u00e0 d\u1ec5 ch\u00e1y, m\u00f9i t\u00f9y theo lo\u1ea1i. Khi ch\u00e1y \u0111\u1ec1u kh\u00f4ng t\u1ea1o kh\u00f3i v\u00e0 c\u00f3 xu\u1ea5t hi\u1ec7n ng\u1ecdt l\u1eeda m\u00e0u xanh da tr\u1eddi.[\/vc_column_text][\/vc_column][\/vc_row][vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_empty_space][vc_single_image image=&#8221;6244267&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><em>C\u1ed3n Ethanol c\u00f4ng nghi\u1ec7p 99%<\/em><\/p>\n<h2 id=\"mcetoc_1ff7bqlnd0\">Th\u00e0nh ph\u1ea7n c\u1ee7a c\u1ed3n c\u00f4ng nghi\u1ec7p<\/h2>\n<p>Ethanol l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a c\u1ed3n c\u00f4ng nghi\u1ec7p, ngo\u00e0i ra c\u00f2n c\u00f3 l\u01b0\u1ee3ng nh\u1ecf m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t. V\u1edbi t\u00f9y m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng m\u00e0 c\u1ed3n \u0111\u01b0\u1ee3c ch\u01b0ng c\u1ea5t\u00a0 theo t\u1ec9 l\u1ec7 99% (d\u00f9ng trong s\u00e1t khu\u1ea9n tay) hay 96% (d\u00f9ng trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p)<\/p>\n<p><strong>C\u1ed3n Methanol<\/strong>\u00a0c\u00f4ng nghi\u1ec7p r\u1ea5t \u0111\u1ed9c n\u00ean b\u1ecb c\u1ea5m d\u00f9ng trong ng\u00e0nh th\u1ef1c ph\u1ea9m.[\/vc_column_text][\/vc_column][\/vc_row][vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_empty_space][vc_single_image image=&#8221;6244268&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><em>C\u1ed3n Methanol c\u00f4ng nghi\u1ec7p<\/em><\/p>\n<h2 id=\"mcetoc_1ff7c1plb2\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u1ed3n Ethanol<\/h2>\n<ul>\n<li>M\u00f9i \u0111\u1eb7c tr\u01b0ng nh\u01b0 r\u01b0\u1ee3u<\/li>\n<li>N\u1ebfu kh\u00f4ng b\u1ea3o qu\u1ea3n t\u1ed1t r\u1ea5t d\u1ec5 bay h\u01a1i<\/li>\n<li>Ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, trong su\u1ed1t<\/li>\n<li>T\u1ef7 tr\u1ecdng :\u00a00,799 \u00f7 0,8 (so v\u1edbi n\u01b0\u1edbc)<\/li>\n<li>Tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 s\u00f4i:\u00a0-117,3<sup>o<\/sup>C<\/li>\n<li>C\u00f3 t\u00ednh h\u00fat \u1ea9m m\u1ea1nh<\/li>\n<\/ul>\n<h2 id=\"mcetoc_1ena6q26lb\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n c\u00f4ng nghi\u1ec7p<\/h2>\n<ul>\n<li>C\u1ed3n th\u1ef1c ph\u1ea9m v\u00e0 c\u1ed3n c\u00f4ng nghi\u1ec7p \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo quy tr\u00ecnh l\u00ean men t\u1eeb khoai m\u00ec, ng\u0169 c\u1ed1c, m\u00eda,&#8230;trong \u0111\u00f3 n\u1ed3ng \u0111\u1ed9 chu\u1ea9n th\u01b0\u1eddng l\u00e0 98% (lo\u1ea1i b\u1ecf h\u1ebft t\u1ea1p ch\u1ea5t) \u0111\u1ed1i v\u1edbi c\u1ed3n th\u1ef1c ph\u1ea9m v\u00e0 dao \u0111\u1ed9ng kho\u1ea3ng 96% (5% c\u00f3 th\u1ec3 l\u00e0 methanol) v\u1edbi c\u1ed3n c\u00f4ng nghi\u1ec7p<\/li>\n<li>\u0110\u1ed3i v\u1edbi c\u1ed3n Ethanol: \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo hai ph\u01b0\u01a1ng ph\u00e1p l\u00e0 Hydrat h\u00f3a ethylen trong c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u v\u00e0 l\u00ean men t\u1eeb m\u00eda, l\u00f9a m\u00ec hay ng\u0169 c\u1ed1c. \u1ede Nh\u1eadt B\u1ea3n c\u00f2n s\u1eed d\u1ee5ng r\u01a1m r\u1ea1, ph\u1ebf ph\u1ea9m n\u00f4ng nghi\u1ec7p \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u00f4 \u0111\u1ec3 s\u1ea3n xu\u1ea5t Ethanol.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_empty_space][vc_single_image image=&#8221;6244265&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><em>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n ethanol<\/em><\/p>\n<p><strong>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ed3n ethanol b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p l\u00ean men<\/strong><em>:<\/em><\/p>\n<h3 id=\"mcetoc_1ff7c6afj3\"><strong>1. X\u1eed l\u00fd nguy\u00ean li\u1ec7u<\/strong><\/h3>\n<p>Sau khi thu ho\u1ea1ch, c\u00e1c nguy\u00ean li\u1ec7u (nguy\u00ean li\u1ec7u tinh b\u1ed9t) s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 nghi\u1ec1n nh\u1ecf \u0111\u1ec3 gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t, ph\u00e1 v\u1ee1 c\u00e1c c\u1ea5u tr\u00fac m\u00e0ng t\u1ebf b\u00e0o c\u0169ng nh\u01b0 n\u01b0\u1edbc th\u1ea9m th\u1ea5u t\u1ed1t h\u01a1n<\/p>\n<p>Hai c\u00f4ng ngh\u1ec7 nghi\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebft hi\u1ec7n nay l\u00e0 nghi\u1ec1n \u01b0\u1edbt v\u00e0 nghi\u1ec1n kh\u00f4. T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n c\u00f3 th\u1ec3 ch\u1ecdn lo\u1ea1i h\u00ecnh nghi\u1ec1n ph\u00f9 h\u1ee3p.<\/p>\n<h3 id=\"mcetoc_1ff7c6e8k4\"><strong>2. H\u1ed3 h\u00f3a \u2013 \u0111\u01b0\u1eddng h\u00f3a<\/strong><\/h3>\n<p>Nguy\u00ean li\u1ec7u sau khi \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 nghi\u1ec1n s\u1ebd chuy\u1ec3n sang b\u01b0\u1edbc h\u1ed3 h\u00f3a v\u00e0 \u0111\u01b0\u1eddng h\u00f3a<\/p>\n<p>Qu\u00e1 tr\u00ecnh h\u1ed3 h\u00f3a c\u00f3 t\u00e1c d\u1ee5ng ph\u00e1 v\u1ee1 c\u00e1c t\u1ebf b\u00e0o tinh b\u1ed9t, gi\u00fap ch\u00fang chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i kh\u00f4ng h\u00f2a tan sang h\u00f2a tan trong n\u01b0\u1edbc.<\/p>\n<p>Giai \u0111o\u1ea1n \u0111\u01b0\u1eddng h\u00f3a s\u1ebd chuy\u1ec3n h\u00f3a c\u00e1c tinh b\u1ed9 th\u00e0nh \u0111\u01b0\u1eddng \u0111\u1ec3 c\u00f3 th\u1ec3 l\u00ean men<\/p>\n<h3 id=\"mcetoc_1ff7c6hhj5\"><strong>3. L\u00ean men<\/strong><\/h3>\n<p>M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c n\u00e0y gi\u00fap \u0111\u01b0\u1eddng \u0111\u01a1n th\u00e0nh ethanol, kh\u00ed CO2 v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t ttrung gian kh\u00e1c. Qu\u00e1 tr\u00ecnh l\u00ean men n\u00e0y c\u00f3 s\u1ef1 x\u00fac t\u00e1c c\u1ee7a men zima.<\/p>\n<p>Hi\u1ec7n nay, \u00e1p d\u1ee5ng 2 quy tr\u00ecnh l\u00ean men l\u00e0 l\u00ean men li\u00ean t\u1ee5c ho\u1eb7c l\u00ean men gi\u00e1n \u0111o\u1ea1n. Trong qu\u00e1 tr\u00ecnh l\u00ean men ph\u1ea3i lu\u00f4n duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u l\u00e0 320 \u0111\u1ed9 C.<\/p>\n<h3 id=\"mcetoc_1ff7c6lab6\"><strong>4. Ch\u01b0ng c\u1ea5t, t\u00e1ch n\u01b0\u1edbc<\/strong><\/h3>\n<p>\u0110\u00e2y l\u00e0 2 ph\u00e2n \u0111o\u1ea1n quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m:<\/p>\n<ul>\n<li>Ch\u01b0ng c\u1ea5t gi\u00fap t\u00e1ch ethanol ra kh\u1ecfi d\u1ea5m ch\u00edn \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t c\u0169ng nh\u01b0 t\u0103ng n\u1ed3ng \u0111\u1ed9 c\u1ed3n. C\u00f3 2 c\u00f4ng ngh\u1ec7 ch\u01b0ng c\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng hi\u1ec7n nay l\u00e0 ch\u01b0ng c\u1ea5p \u00e1p su\u1ea5t d\u01b0 v\u00e0 \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng.<\/li>\n<li>T\u00e1ch n\u01b0\u1edbc gi\u00fap c\u1ed3n \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng quy \u0111\u1ecbnh. Ph\u1ed5 bi\u1ebfn v\u1edbi 3 ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch n\u01b0\u1edbc l\u00e0 ch\u01b0ng c\u1ea5t s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p 3 c\u1ea5u t\u1eed, h\u1ea5p th\u1ee5 n\u01b0\u1edbc b\u1eb1ng r\u00e2y ph\u00e2n t\u1eed hay t\u00e1ch n\u01b0\u1edbc b\u1eb1ng h\u1ec7 th\u1ed1ng l\u1ecdc m\u00e0ng.<\/li>\n<\/ul>\n<h2 id=\"mcetoc_1ena6suf8c\">\u1ee8ng d\u1ee5ng c\u1ee7a c\u1ed3n c\u00f4ng nghi\u1ec7p<\/h2>\n<ul>\n<li><strong>\u0110\u1ed1i v\u1edbi c\u1ed3n th\u1ef1c ph\u1ea9m<\/strong>: L\u00e0 c\u1ed3n l\u00e0nh t\u00ednh, kh\u00f4ng \u0111\u1ed9c h\u1ea1i, an to\u00e0n v\u1edbi s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi ti\u00eau d\u00f9ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t n\u1ea5u r\u01b0\u1ee3u, n\u01b0\u1edbc \u01b0\u1edbp gia v\u1ecb, pha ch\u1ebf thu\u1ed1c, s\u00e1t tr\u00f9ng,&#8230; \u0111\u1eb7c bi\u1ec7t lo\u1ea1i c\u00f2n n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ch\u1ea5t b\u1ea3o qu\u1ea3n cho th\u1ef1c ph\u1ea9m.<\/li>\n<li><strong>C\u1ed3n c\u00f4ng nghi\u1ec7p<\/strong>: ch\u1ee7 y\u1ebfu \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p in, d\u1ec7t may, s\u1ea3n xu\u1ea5t m\u1ef9 ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed. N\u00f3 \u0111\u1ed9c h\u01a1n nh\u01b0ng c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n so v\u1edbi c\u1ed3n th\u1ef1c ph\u1ea9m<\/li>\n<li><strong>C\u1ed3n Ethanol<\/strong>: \u1ee9ng d\u1ee5ng trong ng\u00e0nh h\u00f3a ch\u1ea5t v\u1edbi vai tr\u00f2 dung m\u00f4i, d\u00f9ng \u0111\u1ec3 pha ch\u1ebf \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m, \u0111\u1eb7c bi\u1ec7t trong pha ch\u1ebf x\u0103ng.<\/li>\n<\/ul>\n<p>Ngo\u00e0i ra, s\u1ea3n ph\u1ea9m c\u1ed3n ethanol c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c:<\/p>\n<ul>\n<li>Trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1ng \u0111\u00f4ng l\u1ea1nh do t\u00ednh ch\u1ea5t \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng th\u1ea5p<\/li>\n<li>Th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 ethyl halogenua, diethyl ether, ethyl ester,&#8230;<\/li>\n<li>S\u1eed d\u1ee5ng trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m nh\u1ea5t l\u00e0 ch\u1ea5t b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m<\/li>\n<li>V\u1edbi kh\u1ea3 n\u0103ng g\u00e2y m\u00ea v\u00e0 bu\u1ed3n ng\u1ee7, c\u1ed3n Ethanol l\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t thu\u1ed1c ng\u1ee7<\/li>\n<li>L\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu trong ch\u1ebf t\u1ea1o c\u00e1c lo\u1ea1i n\u01b0\u1edbc hoa cao c\u1ea5p, n\u01b0\u1edbc x\u1ecbt ph\u00f2ng,&#8230;<\/li>\n<li>\u0110\u1eb7c bi\u1ec7t, trong ng\u00e0nh y t\u1ebf c\u1ed3n ethanol \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ch\u1ed1ng vi khu\u1ea9n<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_empty_space][vc_single_image image=&#8221;6244266&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><em>C\u1ed3n c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c<\/em><\/p>\n<h2 id=\"mcetoc_1ena70ap3d\"><strong>T\u00e1c h\u1ea1i c\u1ee7a c\u1ed3n c\u00f4ng nghi\u1ec7p?<\/strong><\/h2>\n<p>Song song v\u1edbi nh\u1eefng l\u1ee3i \u00edch m\u00e0 c\u1ed3n c\u00f4ng nghi\u1ec7p mang l\u1ea1i th\u00ec n\u00f3 c\u0169ng ti\u1ec1m \u1ea9n nh\u1eefng nguy c\u01a1 khi s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch. H\u00e0m l\u01b0\u1ee3ng methanol cao khi ti\u1ebfp x\u00fac v\u00e0o c\u01a1 th\u1ec3 c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng v\u00f5ng m\u1ea1c, th\u1ea7n kinh th\u1ecb gi\u00e1c, ch\u1ea5t g\u00e2y \u0111\u1ed9c cho h\u1ec7 th\u1ea7n kinh, g\u00e2y toan m\u00e1u nguy c\u01a1 t\u1eed vong. Vi\u1ec7c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp c\u00f3 th\u1ec3 g\u00e2y tri\u1ec7u ch\u1ee9ng s\u1edbm nh\u01b0 m\u1eaft \u0111\u1ecf, s\u01b0ng, bu\u1ed3n n\u00f4n, \u0111au \u0111\u1ea7u, m\u1ec7t m\u1ecfi,&#8230; N\u1ebfu g\u1eb7p tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u1ea7n r\u1eddi kh\u1ecfi n\u01a1i \u0111\u1ec3 h\u00f3a ch\u1ea5t n\u00e0y v\u00e0 \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf g\u1ea7n nh\u1ea5t.<\/p>\n<p>Hi\u1ec7n nay v\u00ec l\u1ee3i nhu\u1eadn, nhi\u1ec1u c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u gi\u1ea3 d\u00f9ng methanol thay th\u1ebf cho ethanol g\u00e2y t\u00ecnh tr\u1ea1ng ng\u1ed9 \u0111\u1ed9c. Ph\u1ea7n l\u1edbn trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y \u0111\u00e3 g\u00e2y ra t\u1eed vong.<\/p>\n<p>V\u00ec v\u1eady, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m, vi\u1ec7c s\u1eed d\u1ee5ng c\u1ed3n c\u00f4ng nghi\u1ec7p trong s\u1ea3n xu\u1ea5t kinh doanh c\u0169ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o theo \u0111\u00fang quy \u0111\u1ecbnh an to\u00e0n.<\/p>\n<h2 id=\"mcetoc_1ena7pnsb0\"><strong>Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o qu\u1ea3n c\u1ed3n c\u00f4ng nghi\u1ec7p<\/strong><\/h2>\n<p>Tr\u00e1nh xa c\u00e1c ngu\u1ed3n l\u1eeda h\u1edf hay tia l\u1eeda \u0111i\u1ec7n<\/p>\n<p>B\u1ea3o qu\u1ea3n trong c\u00e1c v\u1eadt ch\u1ee9a chuy\u00ean d\u1ee5ng \u0111\u1ec3 tr\u00e1nh c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i, kh\u00f4ng s\u1eed d\u1ee5ng kh\u00ed n\u00e9n \u0111\u1ec3 \u0111\u1ed5 \u0111\u1ea7y th\u00e1o ra hay x\u1eed l\u00fd.<\/p>\n<p>Gi\u1eef cho nhi\u1ec7t \u0111\u1ed9 c\u1ee7a th\u00f9ng ch\u1ee9a s\u1ea3n ph\u1ea9m b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh<\/p>\n<p>\u0110\u1eady n\u1eafp k\u00edn sau khi kh\u00f4ng s\u1eed d\u1ee5ng<\/p>\n<p>\u0110\u1ec3 n\u01a1i kh\u00f4 tho\u00e1ng, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp<\/p>\n<p>D\u00f9 l\u00e0 c\u1ed3n th\u1ef1c ph\u1ea9m c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c pha tr\u1ef1c ti\u1ebfp \u0111\u1ec3 u\u1ed1ng. Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng may nu\u1ed1t ph\u1ea3i c\u1ea7n l\u1eadp t\u1ee9c u\u1ed1ng n\u01b0\u1edbc l\u1ecdc v\u00e0 \u0111\u01b0a \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf g\u1ea7n nh\u1ea5t.<\/p>\n<p>\u0110eo kh\u1ea9u trang, g\u0103ng tay, qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9 khi ph\u1ea3i ti\u1ebfp x\u00fac<\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra ch\u00e1y n\u1ed5 th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng n\u01b0\u1edbc m\u00e0 n\u00ean s\u1eed d\u1ee5ng b\u1ed9t kh\u00f4, b\u1ed9t CO2 hay phun s\u01b0\u01a1ng m\u00f9.<\/p>\n<p>Ngu\u1ed3n: vietchem[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row widthopt=&#8221;&#8221; fixedbg=&#8221;&#8221; footerrow=&#8221;&#8221;][vc_column][vc_column_text] \u00a0C\u1ed2N C\u00d4NG NGHI\u1ec6P ETHANOL V\u00c0 METHANOL &nbsp; C\u1ed3n c\u00f4ng nghi\u1ec7p l\u00e0 h\u00f3a ch\u1ea5t kh\u00e1 quen thu\u1ed9c, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c. V\u1eady c\u1ed3n c\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 ra sao? N\u00f3 c\u00f3 g\u00e2y \u0111\u1ed9c h\u1ea1i kh\u00f4ng? H\u00e3y c\u00f9ng ch\u00fang t\u00f4i&#8230; <a class=\"view-article\" href=\"https:\/\/yp.com.vn\/con-cong-nghiep-ethanol-va-methanol\/\">Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":175,"featured_media":6244266,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2502],"tags":[],"class_list":["post-6244236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoa-chat-cong-nghiep"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/6244236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/users\/175"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/comments?post=6244236"}],"version-history":[{"count":0,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/6244236\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media\/6244266"}],"wp:attachment":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media?parent=6244236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/categories?post=6244236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/tags?post=6244236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}