{"id":6084,"date":"2021-10-04T18:04:25","date_gmt":"2021-10-04T18:04:25","guid":{"rendered":"http:\/\/nchasia.com\/vn-vn\/?p=6084"},"modified":"2025-10-02T16:09:09","modified_gmt":"2025-10-02T08:09:09","slug":"why-is-wastewater-parameters-important-specially-bod-cod-and-fog","status":"publish","type":"post","link":"https:\/\/www.nchasia.com\/vn-vn\/why-is-wastewater-parameters-important-specially-bod-cod-and-fog\/","title":{"rendered":"C\u00e1c Th\u00f4ng S\u1ed1 N\u01b0\u1edbc Th\u1ea3i BOD, COD V\u00e0 FOG: T\u1ea7m Quan Tr\u1ecdng V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p X\u1eed L\u00fd Hi\u1ec7u Qu\u1ea3"},"content":{"rendered":"<p class=\"whitespace-normal break-words\">\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p, y\u00eau c\u1ea7u x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00e1 \u0111\u01a1n gi\u1ea3n: ch\u00fang ta x\u1eed l\u00fd v\u00ec mu\u1ed1n tr\u00e1nh b\u1ecb ph\u1ea1t, truy thu v\u00e0 c\u00e1c kho\u1ea3n ph\u00ed ph\u00e1t sinh. V\u00e0 nh\u1eefng r\u1eafc r\u1ed1i k\u00e9o d\u00e0i khi ph\u1ea3i kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 x\u1eed l\u00fd dai d\u1eb3ng? Ai c\u0169ng mong mu\u1ed1n c\u00f3 gi\u1ea3i ph\u00e1p t\u1ed1t h\u01a1n cho t\u00ecnh tr\u1ea1ng n\u00e0y. V\u1eady ch\u00ednh x\u00e1c c\u00e1c th\u00f4ng s\u1ed1 n\u01b0\u1edbc th\u1ea3i l\u00e0 g\u00ec? T\u1ea1i sao c\u1ea7n ph\u1ea3i quan t\u00e2m \u0111\u1ebfn ch\u00fang? V\u00e0 t\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng?<\/p>\n<p class=\"whitespace-normal break-words\">\u0110\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i hi\u1ec7u qu\u1ea3, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta c\u1ea7n xem x\u00e9t th\u00e0nh ph\u1ea7n, m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n x\u1eed l\u00fd. T\u1eeb \u0111\u00f3, c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd sinh h\u1ecdc ho\u1eb7c x\u1eed l\u00fd h\u00f3a h\u1ecdc ph\u00f9 h\u1ee3p. B\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung n\u01b0\u1edbc th\u1ea3i nh\u01b0 m\u1ed9t &#8220;h\u1ed7n h\u1ee3p&#8221; c\u1ee7a nhi\u1ec1u lo\u1ea1i ch\u1ea5t th\u1ea3i kh\u00e1c nhau:<\/p>\n<h4 class=\"text-xl font-bold text-text-100 mt-1 -mb-0.5\">1. Nhu C\u1ea7u Oxy Sinh H\u00f3a (BOD)<\/h4>\n<p class=\"whitespace-normal break-words\">Ph\u1ea7n l\u1edbn n\u01b0\u1edbc th\u1ea3i ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c ch\u1ea5t th\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc. Nhu c\u1ea7u Oxy Sinh H\u00f3a (Biochemical Oxygen Demand &#8211; BOD) l\u00e0 th\u01b0\u1edbc \u0111o c\u01b0\u1eddng \u0111\u1ed9 h\u1eefu c\u01a1 c\u1ee7a n\u01b0\u1edbc th\u1ea3i, hay n\u00f3i \u0111\u01a1n gi\u1ea3n h\u01a1n, \u0111o l\u01b0\u1ee3ng ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc hi\u1ec7n di\u1ec7n trong n\u01b0\u1edbc. N\u1ed3ng \u0111\u1ed9 BOD cao c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb ch\u1ea5t th\u1ea3i \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi nh\u00e0 h\u00e0ng, b\u1ebfp \u0103n kh\u00e1ch s\u1ea1n, nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p \u2013 th\u1eadm ch\u00ed, ch\u00fang ta c\u00f2n t\u1ea1o ra BOD (n\u01b0\u1edbc th\u1ea3i) ngay t\u1eeb ch\u00ednh c\u00e1c h\u1ed9 gia \u0111\u00ecnh.<\/p>\n<h4 class=\"text-xl font-bold text-text-100 mt-1 -mb-0.5\">2. Nhu C\u1ea7u Oxy H\u00f3a H\u1ecdc (COD)<\/h4>\n<p class=\"whitespace-normal break-words\">V\u1eady c\u00f2n Nhu C\u1ea7u Oxy H\u00f3a H\u1ecdc (Chemical Oxygen Demand &#8211; COD) th\u00ec sao? COD kh\u00e1c v\u1edbi BOD \u1edf ch\u1ed7 COD \u0111o c\u1ea3 n\u1ed3ng \u0111\u1ed9 ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1. Nh\u00ecn chung, \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m c\u1ee7a n\u01b0\u1edbc th\u1ea3i. C\u00e1c quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd th\u01b0\u1eddng s\u1eed d\u1ee5ng COD l\u00e0m th\u00f4ng s\u1ed1 ch\u00ednh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1, nh\u1edd t\u00ednh linh ho\u1ea1t trong vi\u1ec7c ki\u1ec3m tra t\u1ea1i ch\u1ed7.<\/p>\n<h4 class=\"text-xl font-bold text-text-100 mt-1 -mb-0.5\">3. Ch\u1ea5t B\u00e9o, D\u1ea7u M\u1ee1 (FOG)<\/h4>\n<p class=\"whitespace-normal break-words\">Ch\u1ea5t B\u00e9o, D\u1ea7u v\u00e0 M\u1ee1 (Fats, Oils, and Grease &#8211; FOG) l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c: vi\u1ec7c x\u1eed l\u00fd FOG \u0111\u00fang c\u00e1ch th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i c\u01a1 s\u1edf chuy\u00ean d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t th\u1ea3i nguy h\u1ea1i. Kh\u00f4ng ai mu\u1ed1n x\u1eed l\u00fd nh\u1eefng ch\u1ea5t th\u1ea3i c\u00f3 m\u00f9i kh\u00f3 ch\u1ecbu n\u00e0y, v\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u00fang ta c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y?<\/p>\n<h4 class=\"text-xl font-bold text-text-100 mt-1 -mb-0.5\">4. Ph\u01b0\u01a1ng Ph\u00e1p X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i<\/h4>\n<p class=\"whitespace-normal break-words\">\u0110\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i xem x\u00e9t th\u00e0nh ph\u1ea7n, m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n x\u1eed l\u00fd. T\u1eeb \u0111\u00f3, c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd sinh h\u1ecdc ho\u1eb7c x\u1eed l\u00fd h\u00f3a h\u1ecdc.<\/p>\n<p class=\"whitespace-normal break-words\"><strong>X\u1eed l\u00fd sinh h\u1ecdc<\/strong> s\u1eed d\u1ee5ng vi khu\u1ea9n \u0111\u1ec3 gi\u00fap ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 an to\u00e0n h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 CO\u2082 v\u00e0 n\u01b0\u1edbc. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i vi khu\u1ea9n \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, v\u00e0 kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc.<\/p>\n<p class=\"whitespace-normal break-words\"><strong>X\u1eed l\u00fd h\u00f3a h\u1ecdc<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ed5 sung \u0111\u1ec3 gi\u1ea3m n\u1ed3ng \u0111\u1ed9 ch\u1ea5t th\u1ea3i cao trong giai \u0111o\u1ea1n ti\u1ec1n x\u1eed l\u00fd, v\u00e0 tinh ch\u1ebf n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc khi x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h4 class=\"text-xl font-bold text-text-100 mt-1 -mb-0.5\">5. T\u1ea1i Sao C\u1ea7n Quan T\u00e2m \u0110\u1ebfn C\u00e1c Th\u00f4ng S\u1ed1 N\u01b0\u1edbc Th\u1ea3i?<\/h4>\n<p class=\"whitespace-normal break-words\">T\u00f3m l\u1ea1i, t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c th\u00f4ng s\u1ed1 n\u01b0\u1edbc th\u1ea3i n\u1eb1m \u1edf ti\u1ec1n \u0111\u1ec1 c\u01a1 b\u1ea3n: l\u00e0m nh\u01b0 v\u1eady gi\u00fap ch\u00fang ta \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd. N\u00f3 c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta ti\u1ebft ki\u1ec7m chi ph\u00ed. Vi\u1ec7c x\u1eed l\u00fd t\u1ed1t h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u00edt th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng h\u01a1n, \u00edt \u0111\u1ea7u t\u01b0 v\u1ed1n h\u01a1n, tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c kho\u1ea3n ph\u1ea1t v\u00e0 truy thu, nh\u01b0ng tr\u00ean h\u1ebft, gi\u1ea3m c\u0103ng th\u1eb3ng cho ch\u00fang ta v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p class=\"whitespace-normal break-words\">T\u1ea5t c\u1ea3 ch\u00fang ta \u0111\u1ec1u n\u00ean h\u01b0\u1edbng t\u1edbi m\u1ee5c ti\u00eau gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng t\u1ed5ng th\u1ec3 \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng. L\u00e0m nh\u01b0 v\u1eady kh\u00f4ng ch\u1ec9 gi\u00fap doanh nghi\u1ec7p ti\u1ebft ki\u1ec7m chi ph\u00ed, m\u00e0 c\u00f2n gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c b\u1ee9c tranh to\u00e0n c\u1ea3nh l\u1edbn h\u01a1n: Ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng. M\u1ed1i \u0111e d\u1ecda l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi h\u00e0nh tinh c\u1ee7a ch\u00fang ta l\u00e0 suy ngh\u0129 r\u1eb1ng s\u1ebd c\u00f3 ng\u01b0\u1eddi kh\u00e1c c\u1ee9u n\u00f3.<\/p>\n<p class=\"whitespace-normal break-words\">Ch\u00fang ta c\u00f3 ki\u1ebfn th\u1ee9c, c\u00f4ng c\u1ee5 v\u00e0 quy\u1ec1n quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i t\u00edch c\u1ef1c nh\u1eb1m gi\u00fap ch\u00fang ta s\u1ed1ng b\u1ec1n v\u1eefng. Ch\u00fang ta ph\u1ea3i b\u1eaft \u0111\u1ea7u t\u1eeb h\u00f4m nay.<\/p>\n<p class=\"whitespace-normal break-words\">NCH Ch\u00e2u \u00c1 c\u00f3 nhi\u1ec1u <a href=\"https:\/\/www.nchasia.com\/vn-vn\/program\/drain-program\/\">gi\u1ea3i ph\u00e1p x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111a d\u1ea1ng<\/a>. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p, y\u00eau c\u1ea7u x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00e1 \u0111\u01a1n gi\u1ea3n: ch\u00fang ta x\u1eed l\u00fd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[102,1,16,101],"tags":[703,724,715],"class_list":["post-6084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bioligical","category-all","category-water-treatment","category-wastewater-treatment","tag-articles","tag-biological","tag-wastewater","article_type-articles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e1c Th\u00f4ng S\u1ed1 N\u01b0\u1edbc Th\u1ea3i BOD, COD V\u00e0 FOG: T\u1ea7m Quan Tr\u1ecdng V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p X\u1eed L\u00fd Hi\u1ec7u Qu\u1ea3 - NCH Vietnam<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c th\u00f4ng s\u1ed1 n\u01b0\u1edbc th\u1ea3i BOD, COD, FOG v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd hi\u1ec7u qu\u1ea3. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft gi\u00fap doanh nghi\u1ec7p \u0111\u00e1p \u1ee9ng quy chu\u1ea9n m\u00f4i tr\u01b0\u1eddng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nchasia.com\/vn-vn\/why-is-wastewater-parameters-important-specially-bod-cod-and-fog\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c Th\u00f4ng S\u1ed1 N\u01b0\u1edbc Th\u1ea3i BOD, COD V\u00e0 FOG: T\u1ea7m Quan Tr\u1ecdng V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p X\u1eed L\u00fd Hi\u1ec7u Qu\u1ea3 - NCH Vietnam\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c th\u00f4ng s\u1ed1 n\u01b0\u1edbc th\u1ea3i BOD, COD, FOG v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd hi\u1ec7u qu\u1ea3. 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