{"id":697457,"date":"2024-09-07T18:44:42","date_gmt":"2024-09-07T17:44:42","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=697457"},"modified":"2024-09-07T18:44:42","modified_gmt":"2024-09-07T17:44:42","slug":"chuyen-doi-chat-thai-thanh-nang-luong-dong-hoc-nhiet-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chuyen-doi-chat-thai-thanh-nang-luong-dong-hoc-nhiet-hoc\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng: \u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc"},"content":{"rendered":"<p class=\"sidekick\">Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc: T\u00ecm hi\u1ec3u qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch th\u00f4ng qua c\u01a1 ch\u1ebf \u0111\u1ed9ng h\u1ecdc v\u00e0 nhi\u1ec7t h\u1ecdc.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chuyen_doi_chat_thai_thanh_nang_luong_dong_hoc_nhiet_hoc.png\" alt=\"Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng: \u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng: \u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc<\/h2>\n<p>Trong b\u1ed1i c\u1ea3nh kh\u1ee7ng ho\u1ea3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng gia t\u0103ng, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng ch\u1ea5t th\u1ea3i m\u00e0 c\u00f2n t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng. M\u1ed9t trong nh\u1eefng nguy\u00ean l\u00fd d\u00f9ng \u0111\u1ec3 hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 \u0111\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc (thermal kinetics).<\/p>\n<h2>\u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc l\u00e0 g\u00ec?<\/h2>\n<p>\u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ng\u00e0nh khoa h\u1ecdc nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc, nghi\u00ean c\u1ee9u v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 c\u01a1 ch\u1ebf c\u1ee7a ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9. Trong b\u1ed1i c\u1ea3nh chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng, \u0111\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc gi\u00fap ch\u00fang ta hi\u1ec3u c\u00e1ch c\u00e1c d\u1ea1ng ch\u1ea5t th\u1ea3i kh\u00e1c nhau ph\u00e2n h\u1ee7y v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h2>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng<\/h2>\n<ul>\n<li>\u0110\u1ed1t ch\u00e1y (Combustion): Qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y ch\u1ea5t th\u1ea3i, t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. Qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc:\n<p>\\( C + O_2 \u2192 CO_2 + Energy \\)<\/p>\n<\/li>\n<li>Nhi\u1ec7t ph\u00e2n (Pyrolysis): \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 oxy. Nhi\u1ec7t ph\u00e2n t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 kh\u00ed, d\u1ea7u v\u00e0 r\u1eafn.<\/li>\n<li>Kh\u00ed h\u00f3a (Gasification): Qu\u00e1 tr\u00ecnh n\u00e0y bi\u1ebfn \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh kh\u00ed syngas (ch\u1ee7 y\u1ebfu l\u00e0 CO v\u00e0 H<sub>2<\/sub>) b\u1eb1ng c\u00e1ch ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t l\u01b0\u1ee3ng oxy h\u1ea1n ch\u1ebf.<\/li>\n<li>Ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed (Anaerobic Digestion): Qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng vi khu\u1ea9n k\u1ef5 kh\u00ed \u0111\u1ec3 ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1, t\u1ea1o ra biogas (ch\u1ee7 y\u1ebfu l\u00e0 CH<sub>4<\/sub> v\u00e0 CO<sub>2<\/sub>).<\/li>\n<\/ul>\n<h2>Vai tr\u00f2 c\u1ee7a nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng. C\u1ee5 th\u1ec3:<\/p>\n<ol>\n<li>\u1ede nhi\u1ec7t \u0111\u1ed9 cao (500\u00b0C &#8211; 900\u00b0C), \u0111\u1ed1t ch\u00e1y v\u00e0 kh\u00ed h\u00f3a di\u1ec5n ra hi\u1ec7u qu\u1ea3, t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng nhanh ch\u00f3ng.<\/li>\n<li>\u1ede nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh (300\u00b0C &#8211; 600\u00b0C), nhi\u1ec7t ph\u00e2n cho s\u1ea3n ph\u1ea9m d\u1ea1ng d\u1ea7u v\u00e0 kh\u00ed.<\/li>\n<li>\u1ede nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (30\u00b0C &#8211; 70\u00b0C), ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed di\u1ec5n ra ch\u1eadm h\u01a1n nh\u01b0ng t\u1ea1o ra biogas b\u1ec1n v\u1eefng.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u00e0 \u00e1p d\u1ee5ng v\u00e0o th\u1ef1c ti\u1ec5n, ch\u00fang ta c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u1eeb ch\u1ea5t th\u1ea3i, g\u00f3p ph\u1ea7n gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf m\u00e0 c\u00f2n gi\u00fap b\u1ea3o v\u1ec7 h\u00e0nh tinh c\u1ee7a ch\u00fang ta cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc: T\u00ecm hi\u1ec3u qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch th\u00f4ng qua c\u01a1 ch\u1ebf \u0111\u1ed9ng h\u1ecdc v\u00e0 nhi\u1ec7t h\u1ecdc.<\/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>Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng: \u0110\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc<\/title>\n<meta name=\"description\" content=\"Chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc nhi\u1ec7t h\u1ecdc: T\u00ecm hi\u1ec3u qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i ch\u1ea5t th\u1ea3i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch th\u00f4ng qua c\u01a1 ch\u1ebf \u0111\u1ed9ng h\u1ecdc v\u00e0 nhi\u1ec7t h\u1ecdc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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