{"id":680271,"date":"2024-08-11T22:49:36","date_gmt":"2024-08-11T21:49:36","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=680271"},"modified":"2024-08-11T22:49:36","modified_gmt":"2024-08-11T21:49:36","slug":"vai-tro-cua-nhiet-trong-qua-trinh-chung-cat-ruou-la-gi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vai-tro-cua-nhiet-trong-qua-trinh-chung-cat-ruou-la-gi\/","title":{"rendered":"Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec?"},"content":{"rendered":"<p class=\"sidekick\">Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t gi\u00fap ph\u00e2n t\u00e1ch c\u00e1c h\u1ee3p ch\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng r\u01b0\u1ee3u.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vai_tro_cua_nhiet_trong_qua_trinh_chung_cat_ruou_la_gi.png\" alt=\"Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec?<\/h2>\n<p>Ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n. Nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c t\u00e1ch ch\u1ea5t l\u1ecfng th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau d\u1ef1a tr\u00ean \u0111i\u1ec3m s\u00f4i c\u1ee7a ch\u00fang. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng \u0111\u1ebfn v\u1eady.<\/p>\n<h2>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a ch\u01b0ng c\u1ea5t<\/h2>\n<p>Ch\u01b0ng c\u1ea5t l\u00e0 qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ec3 t\u00e1ch c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p d\u1ef1a tr\u00ean \u0111i\u1ec3m s\u00f4i c\u1ee7a t\u1eebng ch\u1ea5t. Trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u, h\u1ed7n h\u1ee3p ch\u1ea5t l\u1ecfng th\u01b0\u1eddng bao g\u1ed3m n\u01b0\u1edbc v\u00e0 ethanol (c\u1ed3n) &#8211; hai ch\u1ea5t n\u00e0y c\u00f3 \u0111i\u1ec3m s\u00f4i kh\u00e1c nhau:<\/p>\n<p><u1><\/p>\n<li>\u0110i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc: 100\u00b0C<\/li>\n<li>\u0110i\u1ec3m s\u00f4i c\u1ee7a ethanol: 78.37\u00b0C<\/li>\n<p><\/u1><\/p>\n<p>Khi ch\u00fang ta l\u00e0m n\u00f3ng h\u1ed7n h\u1ee3p, ethanol s\u1ebd bay h\u01a1i tr\u01b0\u1edbc, do c\u00f3 \u0111i\u1ec3m s\u00f4i th\u1ea5p h\u01a1n n\u01b0\u1edbc. H\u01a1i ethanol sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh v\u00e0 ng\u01b0ng t\u1ee5 l\u1ea1i th\u00e0nh ch\u1ea5t l\u1ecfng \u0111\u1ec3 thu th\u1eadp.<\/p>\n<h2>C\u00e1c b\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t<\/h2>\n<ol>\n<li><strong>L\u00e0m n\u00f3ng h\u1ed7n h\u1ee3p:<\/strong> H\u1ed7n h\u1ee3p n\u01b0\u1edbc v\u00e0 ethanol \u0111\u01b0\u1ee3c \u0111un n\u00f3ng trong m\u1ed9t b\u00ecnh ch\u1ee9a.<\/li>\n<li><strong>Bay h\u01a1i:<\/strong> Khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t t\u1edbi 78.37\u00b0C, ethanol b\u1eaft \u0111\u1ea7u bay h\u01a1i trong khi ph\u1ea7n l\u1edbn n\u01b0\u1edbc v\u1eabn \u1edf d\u1ea1ng l\u1ecfng.<\/li>\n<li><strong>Ng\u01b0ng t\u1ee5:<\/strong> H\u01a1i ethanol \u0111\u01b0\u1ee3c d\u1eabn qua m\u1ed9t h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, n\u01a1i n\u00f3 ng\u01b0ng t\u1ee5 l\u1ea1i th\u00e0nh ch\u1ea5t l\u1ecfng.<\/li>\n<li><strong>Thu th\u1eadp:<\/strong> Ch\u1ea5t l\u1ecfng ethanol ng\u01b0ng t\u1ee5 \u0111\u01b0\u1ee3c thu th\u1eadp \u1edf m\u1ed9t b\u00ecnh ch\u1ee9a kh\u00e1c.<\/li>\n<\/ol>\n<h2>M\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u01b0\u1ee3u<\/h2>\n<p>Vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u01b0ng c\u1ea5t r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a r\u01b0\u1ee3u. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao, kh\u00f4ng ch\u1ec9 ethanol m\u00e0 c\u1ea3 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng mong mu\u1ed1n c\u0169ng c\u00f3 th\u1ec3 bay h\u01a1i v\u00e0 ng\u01b0ng t\u1ee5 l\u1ea1i, l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu nhi\u1ec7t \u0111\u1ed9 qu\u00e1 th\u1ea5p, quy tr\u00ecnh ch\u01b0ng c\u1ea5t s\u1ebd kh\u00f4ng hi\u1ec7u qu\u1ea3, d\u1eabn \u0111\u1ebfn vi\u1ec7c thu th\u1eadp kh\u00f4ng \u0111\u1ee7 l\u01b0\u1ee3ng ethanol mong mu\u1ed1n. Do \u0111\u00f3, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u. N\u00f3 kh\u00f4ng ch\u1ec9 gi\u00fap t\u00e1ch ethanol kh\u1ecfi n\u01b0\u1edbc m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh. Hi\u1ec3u r\u00f5 v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1t nhi\u1ec7t \u0111\u1ed9 gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i r\u01b0\u1ee3u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t gi\u00fap ph\u00e2n t\u00e1ch c\u00e1c h\u1ee3p ch\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng r\u01b0\u1ee3u.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec?<\/title>\n<meta name=\"description\" content=\"Vai tr\u00f2 c\u1ee7a nhi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t r\u01b0\u1ee3u l\u00e0 g\u00ec? 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