{"id":8000,"date":"2023-08-01T04:08:06","date_gmt":"2023-08-01T04:08:06","guid":{"rendered":"https:\/\/tegent.com.vn\/?post_type=mona_application&#038;p=8000"},"modified":"2023-09-22T08:38:47","modified_gmt":"2023-09-22T08:38:47","slug":"phan-tich-tong-luong-carbon-huu-co-toc-en","status":"publish","type":"mona_application","link":"https:\/\/tegent.com.vn\/en\/application\/phan-tich-tong-luong-carbon-huu-co-toc-en\/","title":{"rendered":"PH\u00c2N T\u00cdCH T\u1ed4NG L\u01af\u1ee2NG CARBON H\u1eeeU C\u01a0 TOC"},"content":{"rendered":"<h2><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><strong>Ph\u00e2n T\u00edch T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 TOC<\/strong><\/a><\/h2>\n<ul>\n<li>T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 (TOC) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 ph\u00e2n t\u00edch \u0111\u1ea1i di\u1ec7n cho n\u1ed3ng \u0111\u1ed9 carbon h\u1eefu c\u01a1 trong m\u1ed9t m\u1eabu. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh TOC \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng.<\/li>\n<li>V\u00ed d\u1ee5, TOC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ec9 s\u1ed1 kh\u00f4ng c\u1ee5 th\u1ec3 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Ho\u1eb7c TOC c\u1ee7a \u0111\u00e1 m\u1eb9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ho\u1ea1t \u0111\u1ed9ng d\u1ea7u m\u1ecf.<\/li>\n<li>\u0110\u1ed1i v\u1edbi tr\u1ea7m t\u00edch b\u1ec1 m\u1eb7t bi\u1ec3n, h\u00e0m l\u01b0\u1ee3ng TOC trung b\u00ecnh l\u00e0 0,5% \u1edf v\u00f9ng bi\u1ec3n s\u00e2u v\u00e0 2% d\u1ecdc theo r\u00eca ph\u00eda \u0111\u00f4ng.<\/li>\n<\/ul>\n<div id=\"attachment_5882\" style=\"width: 624px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5882\" class=\" wp-image-5882\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Cac-thanh-phan-cua-tong-carbon.png\" alt=\"C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a t\u1ed5ng carbon\" width=\"614\" height=\"209\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Cac-thanh-phan-cua-tong-carbon.png 825w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Cac-thanh-phan-cua-tong-carbon-300x102.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Cac-thanh-phan-cua-tong-carbon-768x262.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Cac-thanh-phan-cua-tong-carbon-400x136.png 400w\" sizes=\"(max-width: 614px) 100vw, 614px\" \/><\/a><p id=\"caption-attachment-5882\" class=\"wp-caption-text\">C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a t\u1ed5ng carbon<\/p><\/div>\n<ul>\n<li>M\u1ed9t ph\u00e2n t\u00edch \u0111i\u1ec3n h\u00ecnh v\u1ec1 t\u1ed5ng l\u01b0\u1ee3ng cacbon (TC) \u0111o l\u01b0\u1eddng c\u1ea3 t\u1ed5ng l\u01b0\u1ee3ng cacbon h\u1eefu c\u01a1 (TOC) hi\u1ec7n c\u00f3 v\u00e0 t\u1ed5ng l\u01b0\u1ee3ng cacbon v\u00f4 c\u01a1 b\u1ed5 sung (TIC). Ch\u1ec9 s\u1ed1 sau \u0111\u1ea1i di\u1ec7n cho l\u01b0\u1ee3ng cacbon phi h\u1eefu c\u01a1, nh\u01b0 cacbon trong kho\u00e1ng ch\u1ea5t cacbonat. Tr\u1eeb carbon v\u00f4 c\u01a1 kh\u1ecfi t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng carbon s\u1ebd l\u00e0 TOC.<\/li>\n<li>M\u1ed9t bi\u1ebfn th\u1ec3 ph\u1ed5 bi\u1ebfn kh\u00e1c c\u1ee7a ph\u00e2n t\u00edch TOC li\u00ean quan \u0111\u1ebfn vi\u1ec7c lo\u1ea1i b\u1ecf ph\u1ea7n TIC tr\u01b0\u1edbc v\u00e0 sau \u0111\u00f3 \u0111o l\u01b0\u1ee3ng carbon c\u00f2n s\u00f3t l\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u00e0m s\u1ea1ch m\u1ed9t m\u1eabu axit h\u00f3a b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c nit\u01a1 kh\u00f4ng c\u00f3 cacbon tr\u01b0\u1edbc khi \u0111o. V\u00e0 do \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi ch\u00ednh x\u00e1c h\u01a1n l\u00e0 cacbon h\u1eefu c\u01a1 kh\u00f4ng th\u1ec3 l\u1ecdc \u0111\u01b0\u1ee3c (NPOC).<\/li>\n<li>V\u00ec t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ph\u00e2n t\u00edch TOC ch\u1ec9 th\u1ef1c s\u1ef1 \u0111o t\u1ed5ng l\u01b0\u1ee3ng carbon, n\u00ean ph\u00e2n t\u00edch TOC lu\u00f4n y\u00eau c\u1ea7u t\u00ednh to\u00e1n m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng carbon v\u00f4 c\u01a1 lu\u00f4n c\u00f3 m\u1eb7t.<\/li>\n<li>M\u1ed9t k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch bao g\u1ed3m quy tr\u00ecnh hai giai \u0111o\u1ea1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 TC-IC.<\/li>\n<li>N\u00f3 \u0111o l\u01b0\u1ee3ng carbon v\u00f4 c\u01a1 (IC) sinh ra t\u1eeb m\u1ed9t ph\u1ea7n m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c axit h\u00f3a v\u00e0 c\u0169ng l\u00e0 l\u01b0\u1ee3ng carbon t\u1ed5ng s\u1ed1 (TC) c\u00f3 trong m\u1eabu. TOC \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch tr\u1eeb gi\u00e1 tr\u1ecb IC kh\u1ecfi TC c\u1ee7a m\u1eabu.<\/li>\n<li>M\u1ed9t bi\u1ebfn th\u1ec3 kh\u00e1c s\u1eed d\u1ee5ng qu\u00e1 tr\u00ecnh axit h\u00f3a m\u1eabu \u0111\u1ec3 t\u1ea1o ra carbon dioxide v\u00e0 \u0111o n\u00f3 d\u01b0\u1edbi d\u1ea1ng carbon v\u00f4 c\u01a1 (IC), sau \u0111\u00f3 oxy h\u00f3a v\u00e0 \u0111o l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 kh\u00f4ng th\u1ec3 l\u1ecdc \u0111\u01b0\u1ee3c (NPOC) c\u00f2n l\u1ea1i.<\/li>\n<li>\u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u00e2n t\u00edch TIC-NPOC. TC oxy h\u00f3a trong bu\u1ed3ng \u0111\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 1000 \u0111\u1ed9 C trong khi bu\u1ed3ng \u0111\u1ed1t c\u1ee7a IC ch\u1ec9 n\u00f3ng \u0111\u1ebfn 150 \u0111\u1ed9 C.<\/li>\n<li>L\u00fd do l\u00e0 v\u00ec cacbon v\u00f4 c\u01a1 b\u1ecb oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n so v\u1edbi cacbon h\u1eefu c\u01a1.<\/li>\n<li>M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn h\u01a1n \u0111o tr\u1ef1c ti\u1ebfp TOC trong m\u1eabu b\u1eb1ng c\u00e1ch axit h\u00f3a l\u1ea1i m\u1eabu \u0111\u1ebfn gi\u00e1 tr\u1ecb pH t\u1eeb hai tr\u1edf xu\u1ed1ng \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed IC nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 kh\u00f4ng kh\u00ed kh\u00f4ng ph\u1ea3i \u0111\u1ec3 \u0111o. Kh\u00ed CO2 kh\u00f4ng th\u1ec3 l\u1ecdc c\u00f2n l\u1ea1i (NPOC) ch\u1ee9a trong ph\u1ea7n d\u1ecbch l\u1ecfng sau \u0111\u00f3 \u0111\u01b0\u1ee3c oxy h\u00f3a gi\u1ea3i ph\u00f3ng kh\u00ed.<\/li>\n<li>Nh\u1eefng kh\u00ed n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y d\u00f2 \u0111\u1ec3 \u0111o.<\/li>\n<li>Cho d\u00f9 ph\u00e2n t\u00edch TOC b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p TC-IC hay NPOC, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba giai \u0111o\u1ea1n ch\u00ednh:<\/li>\n<\/ul>\n<p>Giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean l\u00e0 axit h\u00f3a m\u1eabu \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00ed IC v\u00e0 POC. Vi\u1ec7c gi\u1ea3i ph\u00f3ng c\u00e1c kh\u00ed n\u00e0y v\u00e0o m\u00e1y d\u00f2 \u0111\u1ec3 \u0111o ho\u1eb7c v\u00e0o kh\u00f4ng kh\u00ed ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ph\u00e2n t\u00edch n\u00e0o \u0111\u01b0\u1ee3c quan t\u00e2m, lo\u1ea1i th\u1ee9 nh\u1ea5t d\u00e0nh cho TC-IC v\u00e0 lo\u1ea1i th\u1ee9 hai d\u00e0nh cho TOC (NPOC).<\/p>\n<h3><strong>Axit h\u00f3a<\/strong><\/h3>\n<p>Vi\u1ec7c b\u1ed5 sung axit v\u00e0 phun kh\u00ed tr\u01a1 cho ph\u00e9p t\u1ea5t c\u1ea3 c\u00e1c ion bicacbonat v\u00e0 cacbonat \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh cacbon \u0111ioxit, v\u00e0 s\u1ea3n ph\u1ea9m IC n\u00e0y tho\u00e1t ra c\u00f9ng v\u1edbi b\u1ea5t k\u1ef3 cacbon h\u1eefu c\u01a1 c\u00f3 th\u1ec3 t\u1ea9y s\u1ea1ch (POC) n\u00e0o c\u00f3 m\u1eb7t.<\/p>\n<h3>Qu\u00e1 tr\u00ecnh oxy h\u00f3a<\/h3>\n<p>Giai \u0111o\u1ea1n th\u1ee9 hai l\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a carbon trong m\u1eabu c\u00f2n l\u1ea1i \u1edf d\u1ea1ng carbon dioxide (CO2) v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed kh\u00e1c. M\u00e1y ph\u00e2n t\u00edch TOC hi\u1ec7n \u0111\u1ea1i th\u1ef1c hi\u1ec7n b\u01b0\u1edbc oxy h\u00f3a n\u00e0y b\u1eb1ng m\u1ed9t s\u1ed1 quy tr\u00ecnh:<\/p>\n<h3><strong><b>\u0110<\/b><\/strong><strong><b>\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/b><\/strong><\/h3>\n<ul>\n<li>Qu\u00e1 tr\u00ecnh oxy h\u00f3a x\u00fac t\u00e1c \u1edf nhi\u1ec7t \u0111\u1ed9 cao (HTCO)<\/li>\n<li>Photo-oxy h\u00f3a m\u1ed9t m\u00ecnh<\/li>\n<li>oxy h\u00f3a nhi\u1ec7t h\u00f3a h\u1ecdc<\/li>\n<li>oxy h\u00f3a quang h\u00f3a<\/li>\n<li>oxy h\u00f3a \u0111i\u1ec7n ph\u00e2n<\/li>\n<li>\u0111\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<\/ul>\n<p>T\u1ea5t c\u1ea3 carbon hi\u1ec7n c\u00f3 chuy\u1ec3n th\u00e0nh carbon dioxide, ch\u1ea3y qua c\u00e1c \u1ed1ng l\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t c\u1ea3n tr\u1edf nh\u01b0 kh\u00ed clo v\u00e0 h\u01a1i n\u01b0\u1edbc, v\u00e0 carbon dioxide \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 v\u00e0o m\u1ed9t baz\u01a1 m\u1ea1nh r\u1ed3i c\u00e2n ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y d\u00f2 h\u1ed3ng ngo\u1ea1i. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (NDIR) \u0111\u1ec3 ph\u00e1t hi\u1ec7n carbon dioxide. So v\u1edbi qu\u00e1 tr\u00ecnh oxy h\u00f3a x\u00fac t\u00e1c \u1edf nhi\u1ec7t \u0111\u1ed9 cao th\u00f4ng th\u01b0\u1eddng, l\u1ee3i \u00edch l\u1edbn c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed1t ch\u00e1y l\u00e0 kh\u1ea3 n\u0103ng oxy h\u00f3a cao, do \u0111\u00f3 c\u00e1c ch\u1ea5t x\u00fac t\u00e1c th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh oxy h\u00f3a l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n<h3><strong>Qu\u00e1 tr\u00ecnh oxy h\u00f3a x\u00fac t\u00e1c \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong><\/h3>\n<p>M\u1ed9t \u1ed1ng \u0111\u1ed1t \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i v\u1edbi ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim<\/p>\n<p>Quy tr\u00ecnh th\u1ee7 c\u00f4ng ho\u1eb7c t\u1ef1 \u0111\u1ed9ng b\u01a1m m\u1eabu v\u00e0o ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim \u1edf 680 \u00b0C trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u oxy. N\u1ed3ng \u0111\u1ed9 carbon dioxide t\u1ea1o ra \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y d\u00f2 h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (NDIR).<\/p>\n<p>Qu\u00e1 tr\u00ecnh oxy h\u00f3a m\u1eabu ho\u00e0n t\u1ea5t sau khi b\u01a1m v\u00e0o l\u00f2, bi\u1ebfn ch\u1ea5t oxy h\u00f3a trong m\u1eabu th\u00e0nh d\u1ea1ng kh\u00ed. Kh\u00ed mang kh\u00f4ng ch\u1ee9a carbon v\u1eadn chuy\u1ec3n CO2, qua b\u1eaby \u1ea9m v\u00e0 b\u1ed9 l\u1ecdc halogen \u0111\u1ec3 lo\u1ea1i b\u1ecf h\u01a1i n\u01b0\u1edbc v\u00e0 halogenua kh\u1ecfi d\u00f2ng kh\u00ed tr\u01b0\u1edbc khi \u0111\u1ebfn m\u00e1y d\u00f2. Nh\u1eefng ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf vi\u1ec7c ph\u00e1t hi\u1ec7n kh\u00ed CO2.<\/p>\n<h3><strong><b>Ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng<\/b><\/strong><\/h3>\n<p>Ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a quy tr\u00ecnh ph\u00e2n t\u00edch TOC. T\u00ednh d\u1eabn \u0111i\u1ec7n v\u00e0 tia h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (NDIR) l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed <strong>d\u1ee5ng trong c\u00e1c m\u00e1y ph\u00e2n t\u00edch TOC hi\u1ec7n \u0111\u1ea1i.<\/strong><\/p>\n<h3><strong>\u0110\u1ea7u d\u00f2 h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (NDIR)<\/strong><\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (NDIR) cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c t\u1ebf duy nh\u1ea5t kh\u00f4ng g\u00e2y nhi\u1ec5u \u0111\u1ec3 ph\u00e1t hi\u1ec7n CO2 trong ph\u00e2n t\u00edch TOC. \u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng NDIR l\u00e0 n\u00f3 \u0111o tr\u1ef1c ti\u1ebfp v\u00e0 c\u1ee5 th\u1ec3 l\u01b0\u1ee3ng CO2 \u0111\u01b0\u1ee3c t\u1ea1o ra do qu\u00e1 tr\u00ecnh oxy h\u00f3a cacbon h\u1eefu c\u01a1 trong l\u00f2 ph\u1ea3n \u1ee9ng oxy h\u00f3a, thay v\u00ec d\u1ef1a v\u00e0o ph\u00e9p \u0111o hi\u1ec7u \u1ee9ng th\u1ee9 c\u1ea5p, \u0111\u00e3 hi\u1ec7u ch\u1ec9nh, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e9p \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n.<\/p>\n<p>\u0110\u1ed3 th\u1ecb truy\u1ec1n qua kh\u00ed quy\u1ec3n trong m\u1ed9t ph\u1ea7n c\u1ee7a v\u00f9ng IR th\u1ec3 hi\u1ec7n c\u00e1c b\u01b0\u1edbc s\u00f3ng h\u1ea5p th\u1ee5 CO2<\/p>\n<div id=\"attachment_5886\" style=\"width: 701px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5886\" class=\" wp-image-5886\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments.png\" alt=\"\u1ea7u d\u00f2 NDIR c\u1ee7a TE Isntruments\" width=\"691\" height=\"318\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments.png 1065w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments-300x138.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments-1024x471.png 1024w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments-768x353.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments-400x184.png 400w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Dau-do-NDIR-cua-TE-Isntruments-900x414.png 900w\" sizes=\"(max-width: 691px) 100vw, 691px\" \/><\/a><p id=\"caption-attachment-5886\" class=\"wp-caption-text\">\u0110\u1ea7u d\u00f2 NDIR c\u1ee7a TE Isntruments<\/p><\/div>\n<p>M\u00e1y d\u00f2 NDIR truy\u1ec1n th\u1ed1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 d\u00f2ng ch\u1ea3y qua t\u1ebf b\u00e0o, trong \u0111\u00f3 s\u1ea3n ph\u1ea9m oxy h\u00f3a ch\u1ea3y v\u00e0o v\u00e0 ra kh\u1ecfi m\u00e1y d\u00f2 li\u00ean t\u1ee5c. V\u00f9ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i \u0111\u1eb7c tr\u01b0ng cho CO2, th\u01b0\u1eddng kho\u1ea3ng 4,26 \u00b5m (2350 cm\u22121), \u0111\u01b0\u1ee3c \u0111o theo th\u1eddi gian khi kh\u00ed ch\u1ea3y qua m\u00e1y d\u00f2. Ph\u00e9p \u0111o tham chi\u1ebfu th\u1ee9 hai kh\u00f4ng d\u00e0nh ri\u00eang cho CO2 c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 k\u1ebft qu\u1ea3 kh\u00e1c bi\u1ec7t t\u01b0\u01a1ng quan v\u1edbi n\u1ed3ng \u0111\u1ed9 CO2 trong m\u00e1y d\u00f2 t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3. Khi kh\u00ed ti\u1ebfp t\u1ee5c ch\u1ea3y v\u00e0o v\u00e0 ra kh\u1ecfi \u00f4 d\u00f2, t\u1ed5ng c\u00e1c ph\u00e9p \u0111o d\u1eabn \u0111\u1ebfn m\u1ed9t \u0111\u1ec9nh \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0 t\u01b0\u01a1ng quan v\u1edbi t\u1ed5ng n\u1ed3ng \u0111\u1ed9 CO2 trong ph\u1ea7n m\u1eabu th\u1eed.<\/p>\n<h3><strong>\u01afu \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 NDIR<\/strong><\/h3>\n<p>M\u1ed9t b\u01b0\u1edbc ti\u1ebfn m\u1edbi c\u1ee7a c\u00f4ng ngh\u1ec7 NDIR l\u00e0 n\u1ed3ng \u0111\u1ed9 \u00e1p su\u1ea5t t\u0129nh (SPC). Van tho\u00e1t c\u1ee7a NDIR \u0111\u01b0\u1ee3c \u0111\u00f3ng l\u1ea1i \u0111\u1ec3 cho ph\u00e9p m\u00e1y d\u00f2 tr\u1edf n\u00ean c\u00f3 \u00e1p su\u1ea5t. Khi c\u00e1c kh\u00ed trong m\u00e1y d\u00f2 \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng, n\u1ed3ng \u0111\u1ed9 c\u1ee7a CO2 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch. Vi\u1ec7c \u0111i\u1ec1u \u00e1p d\u00f2ng kh\u00ed m\u1eabu n\u00e0y trong NDIR, m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf, cho ph\u00e9p t\u0103ng \u0111\u1ed9 nh\u1ea1y v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch \u0111o to\u00e0n b\u1ed9 c\u00e1c s\u1ea3n ph\u1ea9m oxy h\u00f3a c\u1ee7a m\u1eabu trong m\u1ed9t l\u1ea7n \u0111\u1ecdc, so v\u1edbi c\u00f4ng ngh\u1ec7 t\u1ebf b\u00e0o ch\u1ea3y qua.<\/p>\n<p>T\u00edn hi\u1ec7u \u0111\u1ea7u ra t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi n\u1ed3ng \u0111\u1ed9 CO2 trong kh\u00ed mang, t\u1eeb qu\u00e1 tr\u00ecnh oxy h\u00f3a ph\u1ea7n m\u1eabu th\u1eed. Qu\u00e1 tr\u00ecnh oxy h\u00f3a UV\/Persulfate k\u1ebft h\u1ee3p v\u1edbi ph\u00e1t hi\u1ec7n NDIR gi\u00fap oxy h\u00f3a t\u1ed1t c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, \u00edt ph\u1ea3i b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb, \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u1edf m\u1ee9c ppb, th\u1eddi gian ph\u00e2n t\u00edch m\u1eabu t\u01b0\u01a1ng \u0111\u1ed1i nhanh v\u00e0 d\u1ec5 d\u00e0ng \u0111\u00e1p \u1ee9ng nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m n\u01b0\u1edbc tinh khi\u1ebft (PW), n\u01b0\u1edbc pha ti\u00eam (WFI), CIP , ph\u00e2n t\u00edch n\u01b0\u1edbc u\u1ed1ng v\u00e0 n\u01b0\u1edbc si\u00eau tinh khi\u1ebft.<\/p>\n<h3><strong><b>M<\/b><\/strong><strong><b>\u00e1y ph\u00e2n t\u00edch<\/b><\/strong><\/h3>\n<p>H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ph\u00e2n t\u00edch TOC \u0111\u1ec1u \u0111o l\u01b0\u1ee3ng CO2 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh khi cacbon h\u1eefu c\u01a1 b\u1ecb oxy h\u00f3a v\u00e0\/ho\u1eb7c khi cacbon v\u00f4 c\u01a1 b\u1ecb axit h\u00f3a. Qu\u00e1 tr\u00ecnh oxy h\u00f3a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y c\u00f3 x\u00fac t\u00e1c Pt, b\u1eb1ng persulfate \u0111\u01b0\u1ee3c \u0111un n\u00f3ng ho\u1eb7c b\u1eb1ng l\u00f2 ph\u1ea3n \u1ee9ng UV\/persulfate. Sau khi CO2 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, n\u00f3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y d\u00f2: t\u1ebf b\u00e0o d\u1eabn \u0111i\u1ec7n (n\u1ebfu CO2 \u1edf d\u1ea1ng n\u01b0\u1edbc) ho\u1eb7c t\u1ebf b\u00e0o h\u1ed3ng ngo\u1ea1i kh\u00f4ng ph\u00e2n t\u00e1n (sau khi l\u1ecdc CO2 d\u1ea1ng n\u01b0\u1edbc th\u00e0nh pha kh\u00ed).<\/p>\n<p>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n ch\u1ec9 \u0111\u01b0\u1ee3c mong mu\u1ed1n trong ph\u1ea1m vi TOC th\u1ea5p h\u01a1n trong n\u01b0\u1edbc kh\u1eed ion, trong khi kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n NDIR v\u01b0\u1ee3t tr\u1ed9i trong t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea1m vi TOC. M\u1ed9t bi\u1ebfn th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 &#8220;ph\u00e1t hi\u1ec7n \u0111o \u0111\u1ed9 d\u1eabn m\u00e0ng c\u00f3 th\u1ec3 cho ph\u00e9p \u0111o TOC tr\u00ean ph\u1ea1m vi ph\u00e2n t\u00edch r\u1ed9ng \u1edf c\u1ea3 m\u1eabu n\u01b0\u1edbc \u0111\u00e3 kh\u1eed ion v\u00e0 kh\u00f4ng kh\u1eed ion. C\u00e1c thi\u1ebft b\u1ecb TOC hi\u1ec7u su\u1ea5t cao hi\u1ec7n \u0111\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 carbon d\u01b0\u1edbi 1 \u00b5g\/L (1 ph\u1ea7n) tr\u00ean m\u1ed9t t\u1ef7 ho\u1eb7c ppb).<\/p>\n<p>M\u00e1y ph\u00e2n t\u00edch t\u1ed5ng cacbon h\u1eefu c\u01a1 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng cacbon trong m\u1eabu n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch axit h\u00f3a m\u1eabu v\u00e0 x\u1ea3 b\u1eb1ng nit\u01a1 ho\u1eb7c heli, m\u1eabu s\u1ebd lo\u1ea1i b\u1ecf cacbon v\u00f4 c\u01a1, ch\u1ec9 \u0111\u1ec3 l\u1ea1i ngu\u1ed3n cacbon h\u1eefu c\u01a1 \u0111\u1ec3 \u0111o. C\u00f3 hai lo\u1ea1i m\u00e1y ph\u00e2n t\u00edch. M\u1ed9t s\u1eed d\u1ee5ng qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a h\u00f3a h\u1ecdc kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc, v\u00ec s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a vi khu\u1ea9n s\u1ebd t\u1ea1o ra carbon h\u1eefu c\u01a1.<\/p>\n<div id=\"attachment_5888\" style=\"width: 495px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5888\" class=\" wp-image-5888\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/May-Phan-tich-TOC-tu-TE-Instrument-Xpert.png\" alt=\"M\u00e1y Ph\u00e2n t\u00edch TOC t\u1eeb TE Instrument Xpert\" width=\"485\" height=\"388\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/May-Phan-tich-TOC-tu-TE-Instrument-Xpert.png 896w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/May-Phan-tich-TOC-tu-TE-Instrument-Xpert-300x240.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/May-Phan-tich-TOC-tu-TE-Instrument-Xpert-768x614.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/May-Phan-tich-TOC-tu-TE-Instrument-Xpert-400x320.png 400w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/a><p id=\"caption-attachment-5888\" class=\"wp-caption-text\">M\u00e1y ph\u00e2n t\u00edch TOC t\u1eeb TE Instrument Xpert<\/p><\/div>\n<h3><strong><b>\u0110\u1ed1t ch\u00e1y<\/b><\/strong><\/h3>\n<p>Trong m\u00e1y ph\u00e2n t\u00edch qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y, m\u1ed9t n\u1eeda m\u1eabu \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o bu\u1ed3ng n\u01a1i m\u1eabu \u0111\u01b0\u1ee3c axit h\u00f3a, th\u01b0\u1eddng l\u00e0 b\u1eb1ng axit photphoric, \u0111\u1ec3 bi\u1ebfn t\u1ea5t c\u1ea3 cacbon v\u00f4 c\u01a1 th\u00e0nh cacbon \u0111i\u00f4x\u00edt theo ph\u1ea3n \u1ee9ng sau:<\/p>\n<p>CO2 + H2O \u21cc H2CO3 \u21cc H+ + HCO3\u2212 \u21cc 2H+ + CO32\u2212<\/p>\n<p>\u0110i\u1ec1u n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u1ed9t m\u00e1y d\u00f2 \u0111\u1ec3 \u0111o l\u01b0\u1eddng. N\u1eeda c\u00f2n l\u1ea1i c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o bu\u1ed3ng \u0111\u1ed1t \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean t\u1eeb 600\u2013700 \u00b0C, m\u1ed9t s\u1ed1 th\u1eadm ch\u00ed l\u00ean t\u1edbi 1200 \u00b0C. T\u1ea1i \u0111\u00e2y, t\u1ea5t c\u1ea3 carbon ph\u1ea3n \u1ee9ng v\u1edbi oxy, t\u1ea1o th\u00e0nh carbon dioxide. Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c x\u1ea3 v\u00e0o bu\u1ed3ng l\u00e0m m\u00e1t, v\u00e0 cu\u1ed1i c\u00f9ng v\u00e0o m\u00e1y d\u00f2. Th\u00f4ng th\u01b0\u1eddng, detector \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 m\u00e1y quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i kh\u00f4ng t\u00e1n s\u1eafc. B\u1eb1ng c\u00e1ch t\u00ecm t\u1ed5ng l\u01b0\u1ee3ng carbon v\u00f4 c\u01a1 v\u00e0 tr\u1eeb n\u00f3 kh\u1ecfi t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng carbon, l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n<div id=\"attachment_5892\" style=\"width: 599px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5892\" class=\" wp-image-5892\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments.png\" alt=\"\u1ed0ng \u0111\u1ed1t c\u1ee7a m\u00e1y ph\u00e2n t\u00edch TOC t\u1eeb TE Instruments\" width=\"589\" height=\"328\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments.png 1279w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments-300x167.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments-1024x570.png 1024w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments-768x428.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments-400x223.png 400w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Ong-dot-cua-may-phan-tich-TOC-tu-TE-Instruments-900x501.png 900w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><p id=\"caption-attachment-5892\" class=\"wp-caption-text\">\u1ed0ng \u0111\u1ed1t c\u1ee7a m\u00e1y ph\u00e2n t\u00edch TOC t\u1eeb TE Instruments<\/p><\/div>\n<h3><strong><b>Oxy h\u00f3a h\u00f3a h\u1ecdc<\/b><\/strong><\/h3>\n<p>M\u00e1y ph\u00e2n t\u00edch oxy h\u00f3a h\u00f3a h\u1ecdc b\u01a1m m\u1eabu v\u00e0o bu\u1ed3ng ch\u1ee9a axit photphoric, sau \u0111\u00f3 l\u00e0 l\u01b0u hu\u1ef3nh. Vi\u1ec7c ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c chia th\u00e0nh hai b\u01b0\u1edbc. Ng\u01b0\u1eddi ta lo\u1ea1i b\u1ecf carbon v\u00f4 c\u01a1 b\u1eb1ng c\u00e1ch axit h\u00f3a v\u00e0 thanh l\u1ecdc. Sau khi lo\u1ea1i b\u1ecf cacbon persunfat v\u00f4 c\u01a1, ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u00e0 m\u1eabu \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng ho\u1eb7c b\u1eafn ph\u00e1 b\u1eb1ng tia UV t\u1eeb \u0111\u00e8n h\u01a1i th\u1ee7y ng\u00e2n. C\u00e1c g\u1ed1c t\u1ef1 do t\u1ea1o th\u00e0nh persulfate v\u00e0 ph\u1ea3n \u1ee9ng v\u1edbi b\u1ea5t k\u1ef3 carbon n\u00e0o c\u00f3 s\u1eb5n \u0111\u1ec3 t\u1ea1o th\u00e0nh carbon dioxide.<\/p>\n<p>Cacbon t\u1eeb c\u1ea3 hai ph\u00e9p x\u00e1c \u0111\u1ecbnh (c\u00e1c b\u01b0\u1edbc) ho\u1eb7c \u0111\u01b0\u1ee3c ch\u1ea1y qua c\u00e1c m\u00e0ng \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n thay \u0111\u1ed5i do s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a c\u00e1c l\u01b0\u1ee3ng cacbon dioxit kh\u00e1c nhau, ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u00e0 ph\u00e1t hi\u1ec7n b\u1eb1ng m\u00e1y d\u00f2 NDIR. Gi\u1ed1ng nh\u01b0 thi\u1ebft b\u1ecb ph\u00e2n t\u00edch qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y, t\u1ed5ng l\u01b0\u1ee3ng cacbon \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh tr\u1eeb \u0111i l\u01b0\u1ee3ng cacbon v\u00f4 c\u01a1 s\u1ebd \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh ch\u00ednh x\u00e1c v\u1ec1 t\u1ed5ng l\u01b0\u1ee3ng cacbon h\u1eefu c\u01a1 trong m\u1eabu. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng tr\u1ef1c tuy\u1ebfn v\u00ec y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p.<\/p>\n<h3><strong>Ph\u1ea7n m\u1ec1m \u0110i\u1ec1u khi\u1ec3n v\u00e0 t\u00ednh to\u00e1n k\u1ebft qu\u1ea3<\/strong><\/h3>\n<div id=\"attachment_5894\" style=\"width: 419px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5894\" class=\" wp-image-5894\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2.png\" alt=\"Ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n TEI2\" width=\"409\" height=\"339\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2.png 927w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2-300x249.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2-768x636.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2-400x331.png 400w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/Phan-mem-dieu-khien-TEI2-900x746.png 900w\" sizes=\"(max-width: 409px) 100vw, 409px\" \/><\/a><p id=\"caption-attachment-5894\" class=\"wp-caption-text\">Ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n TEI2<\/p><\/div>\n<h3><strong><b>\u1ee8ng d\u1ee5ng ph\u00e2n t\u00edch TOC trong l\u0129nh v\u1ef1c m\u00f4i tr\u01b0\u1eddng<\/b><\/strong><\/h3>\n<p>K\u1ec3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1970, TOC l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh l\u1ecdc n\u01b0\u1edbc u\u1ed1ng. TOC trong n\u01b0\u1edbc ngu\u1ed3n \u0111\u1ebfn t\u1eeb ch\u1ea5t h\u1eefu c\u01a1 t\u1ef1 nhi\u00ean \u0111ang ph\u00e2n h\u1ee7y (NOM) c\u0169ng nh\u01b0 c\u00e1c ngu\u1ed3n t\u1ed5ng h\u1ee3p. Axit humic, axit fulvic, amin v\u00e0 ur\u00ea l\u00e0 nh\u1eefng v\u00ed d\u1ee5 v\u1ec1 NOM. M\u1ed9t s\u1ed1 ch\u1ea5t t\u1ea9y r\u1eeda, thu\u1ed1c tr\u1eeb s\u00e2u, ph\u00e2n b\u00f3n, thu\u1ed1c di\u1ec7t c\u1ecf, h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 clo h\u00f3a l\u00e0 nh\u1eefng v\u00ed d\u1ee5 v\u1ec1 ngu\u1ed3n t\u1ed5ng h\u1ee3p.<\/p>\n<p>Tr\u01b0\u1edbc khi n\u01b0\u1edbc ngu\u1ed3n \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 kh\u1eed tr\u00f9ng, TOC cung c\u1ea5p \u01b0\u1edbc t\u00ednh l\u01b0\u1ee3ng NOM trong ngu\u1ed3n n\u01b0\u1edbc. Trong c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc, n\u01b0\u1edbc ngu\u1ed3n c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t kh\u1eed tr\u00f9ng c\u00f3 ch\u1ee9a clo. Khi n\u01b0\u1edbc th\u00f4 \u0111\u01b0\u1ee3c kh\u1eed tr\u00f9ng b\u1eb1ng clo, c\u00e1c h\u1ee3p ch\u1ea5t clo ho\u1ea1t t\u00ednh (Cl2, HOCl, ClO\u2212) ph\u1ea3n \u1ee9ng v\u1edbi NOM \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 kh\u1eed tr\u00f9ng b\u1eb1ng clo (DBP). C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh r\u1eb1ng m\u1ee9c NOM cao h\u01a1n trong n\u01b0\u1edbc ngu\u1ed3n trong qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng s\u1ebd l\u00e0m t\u0103ng l\u01b0\u1ee3ng ch\u1ea5t g\u00e2y ung th\u01b0 trong n\u01b0\u1edbc u\u1ed1ng \u0111\u00e3 qua x\u1eed l\u00fd.<\/p>\n<p>V\u1edbi vi\u1ec7c th\u00f4ng qua \u0110\u1ea1o lu\u1eadt N\u01b0\u1edbc u\u1ed1ng An to\u00e0n c\u1ee7a Hoa K\u1ef3 n\u0103m 2001, ph\u00e2n t\u00edch TOC n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c cho c\u00e1c x\u00e9t nghi\u1ec7m nhu c\u1ea7u oxy sinh h\u1ecdc (BOD) v\u00e0 nhu c\u1ea7u oxy h\u00f3a h\u1ecdc (COD) c\u1ed5 \u0111i\u1ec3n nh\u01b0ng k\u00e9o d\u00e0i h\u01a1n, v\u1ed1n \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng g\u00e2y \u00f4 nhi\u1ec5m c\u1ee7a n\u01b0\u1edbc th\u1ea3i. Ng\u00e0y nay, c\u00e1c c\u01a1 quan m\u00f4i tr\u01b0\u1eddng quy \u0111\u1ecbnh gi\u1edbi h\u1ea1n v\u1ebft c\u1ee7a DBPs trong n\u01b0\u1edbc u\u1ed1ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 g\u1ea7n \u0111\u00e2y, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p 415.3 c\u1ee7a C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA), h\u1ed7 tr\u1ee3 c\u00e1c Quy t\u1eafc v\u1ec1 S\u1ea3n ph\u1ea9m ph\u1ee5 Kh\u1eed tr\u00f9ng v\u00e0 Ch\u1ea5t kh\u1eed tr\u00f9ng c\u1ee7a C\u01a1 quan, trong \u0111\u00f3 quy \u0111\u1ecbnh l\u01b0\u1ee3ng NOM \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh DBP trong n\u01b0\u1edbc th\u00e0nh ph\u1ea9m.<\/p>\n<p>H\u00e0m l\u01b0\u1ee3ng TOC c\u0169ng l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a t\u00e0i nguy\u00ean \u0111\u00e1 phi\u1ebfn s\u00e9t h\u1eefu c\u01a1, m\u1ed9t trong nh\u1eefng lo\u1ea1i nhi\u00ean li\u1ec7u phi truy\u1ec1n th\u1ed1ng quan tr\u1ecdng nh\u1ea5t. Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u, bao g\u1ed3m c\u1ea3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean nh\u1eadt k\u00fd h\u1eefu tuy\u1ebfn v\u00e0 k\u1ef9 thu\u1eadt t\u1ea1i ch\u1ed7.<\/p>\n<h3><strong>C\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng ph\u00e2n t\u00edch TOC T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 TOC<\/strong><\/h3>\n<p><strong><b>ISO 20236:2018 : <\/b><\/strong>Water quality &#8212; Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) \u00a0after high temperature catalytic oxidative combustion<\/p>\n<p><strong><b>ISO 8245 : <\/b><\/strong>Water quality \u2014 Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)<\/p>\n<p><strong><b>EN 1484 : <\/b><\/strong>Water analysis. Guidelines for the determination of total organic carbon (TOC) and \u00a0dissolved organic carbon (DOC)<\/p>\n<p><strong><b>EPA 415.3 : <\/b><\/strong>Organic Carbon, Total (Combustion or Oxidation)<\/p>\n<p><strong><b>EPA 9060 : <\/b><\/strong>SW-846 Test Method 9060A: Total Organic Carbon<\/p>\n<p><strong><b>ASTM D7573 : <\/b><\/strong>Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection<\/p>\n<p><strong><b>SM 5310B : <\/b><\/strong>Total Organic Carbon (TOC) High-Temperature Combustion Method<\/p>\n<p><strong><b>USP &lt;643&gt; <\/b><\/strong>Total Organic Carbon<\/p>\n<p><strong><b>HJ 501-2009 , GB 13193-91 , HJ\/T 71-2001 : <\/b><\/strong>Water quality\u2014Determination of total organic carbon\u2014Combustion oxidation nondispersive infrared absorption method<\/p>\n<div id=\"attachment_5884\" style=\"width: 777px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-5884\" class=\" wp-image-5884\" src=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC.png\" alt=\"Ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n trong ph\u00e2n t\u00edch TOC\" width=\"767\" height=\"454\" srcset=\"https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC.png 1139w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC-300x178.png 300w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC-1024x606.png 1024w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC-768x454.png 768w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC-400x237.png 400w, https:\/\/tegent.com.vn\/wp-content\/uploads\/2023\/08\/cac-tieu-chuan-quoc-te-phan-tich-TOC-900x533.png 900w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/a><p id=\"caption-attachment-5884\" class=\"wp-caption-text\">Ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n trong ph\u00e2n t\u00edch TOC<\/p><\/div>\n<h3><strong>TE Instruments th\u01b0\u01a1ng hi\u1ec7u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u1ed9c quy\u1ec1n b\u1edfi Tegent Vi\u1ec7t nam, h\u00e3y li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn Tegent Vietnam \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 nhanh nh\u1ea5t<\/strong><\/h3>\n<p>Xem chi ti\u1ebft Thi\u1ebft b\u1ecb ph\u00e2n t\u00edch TOC<a href=\"https:\/\/tegent.com.vn\/instrument\/thiet-bi-phan-tich-carbon-huu-co-xpert-toc\/\">\u00a0t\u1ea1i \u0111\u00e2y<\/a><\/p>\n<p>Xem chi ti\u1ebft s\u1ea3n ph\u1ea9m Ph\u00e2n t\u00edch c\u1ee7a TE Instruments<a href=\"https:\/\/tegent.com.vn\/instruments\/hang-trace-elemental\/\">\u00a0t\u1ea1i \u0111\u00e2y<\/a><\/p>\n<p>Xem chi ti\u1ebft v\u1ec1 TE Instruments\u00a0\u00a0<a href=\"https:\/\/www.teinstruments.com\/\">t\u1ea1i \u0111\u00e2y<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n T\u00edch T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 TOC T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 (TOC) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 ph\u00e2n t\u00edch \u0111\u1ea1i di\u1ec7n cho n\u1ed3ng \u0111\u1ed9 carbon h\u1eefu c\u01a1 trong m\u1ed9t m\u1eabu. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh TOC \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5, TOC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ec9 [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":5889,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-8000","mona_application","type-mona_application","status-publish","has-post-thumbnail","hentry","category_application-thiet-bi-phan-tich-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.5 (Yoast SEO v22.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PH\u00c2N T\u00cdCH T\u1ed4NG L\u01af\u1ee2NG CARBON H\u1eeeU C\u01a0 TOC - Tegent<\/title>\n<meta name=\"description\" content=\"Ph\u00e2n T\u00edch T\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 TOC Ph\u00e2n T\u00edchT\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 (TOC) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 ph\u00e2n t\u00edch \u0111\u1ea1i di\u1ec7n cho n\u1ed3ng \u0111\u1ed9 carbon h\u1eefu c\u01a1 trong m\u1ed9t m\u1eabu. 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