{"id":679147,"date":"2024-10-08T01:41:20","date_gmt":"2024-10-08T00:41:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=679147"},"modified":"2024-10-08T01:41:20","modified_gmt":"2024-10-08T00:41:20","slug":"tac-dong-cua-nhiet-do-len-su-on-dinh-cua-duoc-pham","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/tac-dong-cua-nhiet-do-len-su-on-dinh-cua-duoc-pham\/","title":{"rendered":"T\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m"},"content":{"rendered":"<p class=\"sidekick\">T\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m, b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng thu\u1ed1c.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/tac_dong_cua_nhiet_do_len_su_on_dinh_cua_duoc_pham.png\" alt=\"T\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>T\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m<\/h2>\n<p>S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 r\u1ea5t quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c ph\u1ea9m. Nhi\u1ec7t \u0111\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m. Hi\u1ec3u r\u00f5 t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m d\u01b0\u1ee3c trong su\u1ed1t th\u1eddi gian s\u1eed d\u1ee5ng.<\/p>\n<h2>S\u1ef1 ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh trong d\u01b0\u1ee3c ph\u1ea9m. C\u00f4ng th\u1ee9c Arrhenius \u0111\u01b0\u1ee3c th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng:<\/p>\n<p>A = A<sub>0<\/sub> \\exp\\left(-\\frac{E_{a}}{RT}\\right)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><b>A:<\/b> H\u1eb1ng s\u1ed1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/li>\n<li><b>A<sub>0<\/sub>:<\/b> H\u1eb1ng s\u1ed1 ti\u1ec1n ph\u1ea3n \u1ee9ng<\/li>\n<li><b>E<sub>a<\/sub>:<\/b> N\u0103ng l\u01b0\u1ee3ng ho\u1ea1t h\u00f3a<\/li>\n<li><b>R:<\/b> H\u1eb1ng s\u1ed1 kh\u00ed<\/li>\n<li><b>T:<\/b> Nhi\u1ec7t \u0111\u1ed9 tuy\u1ec7t \u0111\u1ed1i (Kelvin)<\/li>\n<\/ul>\n<h2>S\u1ef1 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i v\u1eadt l\u00fd<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i v\u1eadt l\u00fd c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e0m tan ch\u1ea3y, bay h\u01a1i ho\u1eb7c k\u1ebft tinh. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m:<\/p>\n<ol>\n<li><b>Tan ch\u1ea3y:<\/b> Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0m tan ch\u1ea3y m\u1ed9t s\u1ed1 thu\u1ed1c r\u1eafn, d\u1eabn \u0111\u1ebfn m\u1ea5t m\u00e1t ho\u1eb7c thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u.<\/li>\n<li><b>Bay h\u01a1i:<\/b> M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i c\u00f3 th\u1ec3 bay h\u01a1i \u1edf nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0m thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a thu\u1ed1c.<\/li>\n<li><b>K\u1ebft tinh:<\/b> S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh k\u1ebft tinh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 h\u00f2a tan v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c.<\/li>\n<\/ol>\n<h2>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n vi sinh v\u1eadt<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt trong d\u01b0\u1ee3c ph\u1ea9m. Nhi\u1ec7t \u0111\u1ed9 cao th\u01b0\u1eddng ti\u00eau di\u1ec7t ho\u1eb7c \u1ee9c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt, trong khi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 vi sinh v\u1eadt c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, khi\u1ebfn cho vi\u1ec7c b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p tr\u1edf n\u00ean quan tr\u1ecdng.<\/p>\n<h2>Bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n<\/h2>\n<p>\u0110\u1ec3 b\u1ea3o \u0111\u1ea3m s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m, c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n th\u00edch h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li>B\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 ki\u1ec3m so\u00e1t v\u00e0 c\u1ed1 \u0111\u1ecbnh.<\/li>\n<li>S\u1eed d\u1ee5ng bao b\u00ec ch\u1ed1ng nhi\u1ec7t v\u00e0 ch\u1ed1ng ph\u00e1t s\u00e1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m kh\u1ecfi bi\u1ebfn \u0111\u1ed5i do nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li>Ki\u1ec3m tra v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m \u0111\u1ec3 tr\u00e1nh vi\u1ec7c t\u0103ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng mong mu\u1ed1n do hi\u1ec7n t\u01b0\u1ee3ng h\u1ea5p th\u1ee5 nhi\u1ec7t.<\/li>\n<\/ul>\n<p>Hi\u1ec3u r\u00f5 t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c. \u00c1p d\u1ee5ng \u0111\u00fang c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m, \u0111\u1ea3m b\u1ea3o l\u1ee3i \u00edch t\u1ed1i \u0111a cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m, b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng thu\u1ed1c.<\/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>T\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u01b0\u1ee3c ph\u1ea9m, b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng thu\u1ed1c.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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