{"id":176,"date":"2025-08-07T03:06:37","date_gmt":"2025-08-07T03:06:37","guid":{"rendered":"https:\/\/antifoamingagent.net\/?p=176"},"modified":"2025-08-07T03:20:34","modified_gmt":"2025-08-07T03:20:34","slug":"cach-chat-khu-bot-trong-xu-ly-nuoc-nang-cao-hieu-qua-nganh-cong-nghiep-huong-dan-chuyen-gia","status":"publish","type":"post","link":"https:\/\/antifoamingagent.net\/vi\/how-defoamer-for-water-treatment-boost-industry-efficiency-expert-guide\/","title":{"rendered":"C\u00e1ch ch\u1ea5t kh\u1eed b\u1ecdt trong x\u1eed l\u00fd n\u01b0\u1edbc n\u00e2ng cao hi\u1ec7u qu\u1ea3 ng\u00e0nh c\u00f4ng nghi\u1ec7p: H\u01b0\u1edbng d\u1eabn chuy\u00ean gia"},"content":{"rendered":"

\"X\u1eed<\/p>\n

B\u1ecdt g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. N\u00f3 g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u00e0 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 tu\u00e2n th\u1ee7. B\u1ecdt kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y bao g\u1ed3m r\u1ee7i ro an to\u00e0n v\u00e0 c\u00e1c s\u1ef1 c\u1ed1 tr\u00e0n, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c qu\u00e1 tr\u00ecnh sinh h\u1ecdc. C\u00e1c nh\u00e0 v\u1eadn h\u00e0nh nh\u00e0 m\u00e1y tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u1ea7n t\u00ecm ki\u1ebfm h\u00f3a ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>\n

H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u th\u00e1ch th\u1ee9c do l\u01b0\u1ee3ng b\u1ecdt qu\u00e1 nhi\u1ec1u. B\u1ecdt l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh t\u00e1ch r\u1eafn v\u00e0 l\u1ecfng. B\u1ecdt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ec3 l\u1eafng, b\u1ec3 s\u1ee5c kh\u00ed v\u00e0 x\u1ea3 n\u01b0\u1edbc th\u1ea3i cu\u1ed1i c\u00f9ng. L\u1edbp b\u1ecdt trong b\u1ec3 s\u1ee5c kh\u00ed c\u1ea3n tr\u1edf oxy ti\u1ebfp c\u1eadn vi sinh v\u1eadt. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 gi\u1ea3m BOD. Ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ng\u1eeba tr\u00e0n b\u1ec3, t\u1eafc ngh\u1ebdn b\u1ed9 l\u1ecdc v\u00e0 gi\u1ea3m hi\u1ec7u su\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt c\u00f4ng nghi\u1ec7p. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang v\u00e0 c\u00e1ch ch\u00fang c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u1ee7a b\u1ea1n.<\/p>\n

Th\u00e1ch th\u1ee9c trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh b\u1ecdt trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/h2>\n

Kh\u00ed b\u1ecb gi\u1eef l\u1ea1i trong ch\u1ea5t l\u1ecfng v\u00e0 \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh b\u1edfi ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t ho\u1eb7c v\u1eadt li\u1ec7u sinh h\u1ecdc t\u1ea1o ra b\u1ecdt trong n\u01b0\u1edbc th\u1ea3i. Qu\u00e1 tr\u00ecnh c\u01a1 b\u1ea3n n\u00e0y d\u1eabn \u0111\u1ebfn nh\u1eefng th\u00e1ch th\u1ee9c v\u1eadn h\u00e0nh li\u00ean t\u1ee5c t\u1ea1i c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd.<\/p>\n

S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a b\u1ecdt c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd b\u1eb1ng c\u00e1ch l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 truy\u1ec1n oxy v\u00e0o n\u01b0\u1edbc th\u1ea3i. M\u1ed9t l\u1edbp m\u00e0ng h\u00ecnh th\u00e0nh tr\u00ean b\u1ec3 s\u1ee5c kh\u00ed, c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n oxy. L\u1edbp m\u00e0ng n\u00e0y l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c qu\u00e1 tr\u00ecnh sinh h\u1ecdc v\u00e0 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhu c\u1ea7u oxy sinh h\u1ecdc trong n\u01b0\u1edbc th\u1ea3i cu\u1ed1i c\u00f9ng. B\u1ecdt c\u0169ng can thi\u1ec7p v\u00e0o qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng trong b\u1ec3 l\u1eafng th\u1ee9 c\u1ea5p, d\u1eabn \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng cao h\u01a1n trong n\u01b0\u1edbc th\u1ea3i x\u1ea3 ra.<\/p>\n

C\u00f4ng nh\u00e2n nh\u00e0 m\u00e1y ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u nguy c\u01a1 an to\u00e0n do s\u1ef1 t\u00edch t\u1ee5 c\u1ee7a b\u1ecdt d\u00e0y. B\u1ecdt \u0111\u00f4ng c\u1ee9ng trong th\u1eddi ti\u1ebft l\u1ea1nh v\u00e0 c\u00f4ng nh\u00e2n ph\u1ea3i lo\u1ea1i b\u1ecf n\u00f3 b\u1eb1ng tay. T\u00ecnh hu\u1ed1ng tr\u1edf n\u00ean nguy hi\u1ec3m h\u01a1n khi b\u1ecdt tr\u00e0n ra ngo\u00e0i b\u1ec3 ch\u1ee9a v\u00e0 t\u1ea1o ra c\u00e1c l\u1ed1i \u0111i tr\u01a1n tr\u01b0\u1ee3t. M\u1ed9t s\u1ed1 b\u1ec3 ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed th\u1eadm ch\u00ed \u0111\u00e3 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ee5 n\u1ed5 nguy hi\u1ec3m do s\u1ef1 t\u00edch t\u1ee5 b\u1ecdt \u1ed5n \u0111\u1ecbnh.<\/p>\n

Chi ph\u00ed t\u00edch t\u1ee5 nhanh ch\u00f3ng. Nh\u00e2n vi\u00ean ph\u1ea3i d\u00e0nh th\u00eam th\u1eddi gian cho vi\u1ec7c v\u1ec7 sinh th\u1ee7 c\u00f4ng trong khi c\u00e1c c\u01a1 s\u1edf ph\u1ea3i chi tr\u1ea3 nhi\u1ec1u h\u01a1n cho h\u00f3a ch\u1ea5t ch\u1ed1ng b\u1ecdt. H\u1ea1 t\u1ea7ng c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng do tr\u00e0n ho\u1eb7c \u0103n m\u00f2n. T\u00edch t\u1ee5 b\u1ecdt trong c\u00e1c b\u1ec3 s\u1ee5c kh\u00ed c\u00f3 m\u00e1i che c\u00f3 th\u1ec3 l\u00e0 v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c c\u00f3 s\u1eb5n cho d\u00f2ng ch\u1ea3y tr\u1ecdng l\u1ef1c kh\u00f4ng \u0111\u1ee7.<\/p>\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang v\u01b0\u1ee3t xa kh\u1ecfi ph\u1ea1m vi c\u1ee7a c\u01a1 s\u1edf. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m k\u1ef5 n\u01b0\u1edbc nh\u01b0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 b\u1ec1n v\u1eefng (POPs) v\u00e0 PFAS c\u00f3 th\u1ec3 di chuy\u1ec3n qua b\u1ecdt v\u00e0o c\u00e1c ngu\u1ed3n n\u01b0\u1edbc t\u1ef1 nhi\u00ean. C\u01a1 s\u1edf c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh n\u1ebfu vi\u1ec7c qu\u1ea3n l\u00fd b\u1ecdt kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt c\u00f4ng nghi\u1ec7p trong c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd<\/h2>\n

Ch\u1ea5t kh\u1eed b\u1ecdt trong x\u1eed l\u00fd n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a b\u1ecdt kh\u00ed. C\u00e1c h\u00f3a ch\u1ea5t chuy\u00ean d\u1ee5ng n\u00e0y \u0111i\u1ec1u ch\u1ec9nh s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t t\u1ea1i giao di\u1ec7n kh\u00ed-l\u1ecfng. \u0110i\u1ec1u n\u00e0y l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh b\u1ecdt kh\u00ed v\u00e0 khi\u1ebfn ch\u00fang s\u1ee5p \u0111\u1ed5. M\u1ed9t ch\u1ea5t kh\u1eed b\u1ecdt t\u1ed1t kh\u00f4ng ch\u1ec9 x\u1eed l\u00fd tri\u1ec7u ch\u1ee9ng \u2013 n\u00f3 l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh \u1ed5n \u0111\u1ecbnh b\u1ecdt.<\/p>\n

Quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng theo ba c\u00e1ch. Ch\u1ea5t kh\u1eed b\u1ecdt b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch l\u00e0m suy y\u1ebfu l\u1edbp m\u00e0ng b\u1ea3o v\u1ec7 xung quanh m\u1ed7i bong b\u00f3ng. Sau \u0111\u00f3, ch\u00fang lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t kh\u1ecfi b\u1ec1 m\u1eb7t bong b\u00f3ng. B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 k\u1ebft h\u1ee3p c\u00e1c bong b\u00f3ng nh\u1ecf th\u00e0nh c\u00e1c bong b\u00f3ng l\u1edbn h\u01a1n, kh\u00f4ng \u1ed5n \u0111\u1ecbnh h\u01a1n, d\u1ec5 v\u1ee1 h\u01a1n.<\/p>\n

M\u1ed9t ch\u1ea5t kh\u1eed b\u1ecdt hi\u1ec7u qu\u1ea3 c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng h\u1ee3p l\u00fd gi\u1eefa kh\u1ea3 n\u0103ng h\u00f2a tan v\u00e0 kh\u00f4ng h\u00f2a tan trong m\u00f4i tr\u01b0\u1eddng x\u1eed l\u00fd. S\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y cho ph\u00e9p n\u00f3 th\u00e2m nh\u1eadp v\u00e0o l\u1edbp m\u00e0ng b\u1ecdt (t\u01b0\u1eddng b\u1ecdt), t\u1ea1o ra m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng, lan r\u1ed9ng v\u00e0 cu\u1ed1i c\u00f9ng ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac b\u1ecdt.<\/p>\n

C\u00e1c c\u00f4ng th\u1ee9c kh\u00e1c nhau gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c \u0111i\u1ec1u tr\u1ecb kh\u00e1c nhau. Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ef1a tr\u00ean silicone mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh. C\u00e1c lo\u1ea1i polyalkylene glycol ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 t\u1ed1t v\u00e0 \u1ee9c ch\u1ebf b\u1ecdt l\u00e2u h\u01a1n. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eabn \u01b0a chu\u1ed9ng c\u00e1c s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean d\u1ea7u kho\u00e1ng c\u00f3 h\u1ea1t k\u1ef5 n\u01b0\u1edbc cho s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt n\u00e0y \u2013 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh pH v\u00e0 li\u1ec1u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t. C\u00e1c lo\u1ea1i silicone ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong n\u01b0\u1edbc th\u1ea3i nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 t\u1eeb 80\u00b0C \u0111\u1ebfn 250\u00b0C.<\/p>\n

S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t ch\u1ed1ng b\u1ecdt theo m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3<\/h2>\n

L\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. M\u1ed7i th\u00e1ch th\u1ee9c v\u1ec1 b\u1ecdt c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh, xem x\u00e9t lo\u1ea1i b\u1ecdt, \u0111i\u1ec1u ki\u1ec7n h\u1ec7 th\u1ed1ng v\u00e0 m\u1ee5c ti\u00eau x\u1eed l\u00fd.<\/p>\n

Ch\u1ea5t ch\u1ed1ng b\u1ecdt silicone c\u1ea5p th\u1ef1c ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1ea5t trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf n\u1ed3ng \u0111\u1ed9 5-100 ppm trong n\u01b0\u1edbc tu\u1ea7n ho\u00e0n. C\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u1ec7 sinh th\u00e1p l\u00e0m m\u00e1t c\u1ea7n n\u1ed3ng \u0111\u1ed9 cao h\u01a1n kho\u1ea3ng 500ml\/m\u00b3 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. H\u1ec7 th\u1ed1ng n\u01b0\u1edbc l\u00f2 h\u01a1i y\u00eau c\u1ea7u l\u01b0\u1ee3ng r\u1ea5t th\u1ea5p\u2014th\u01b0\u1eddng ch\u1ec9 1-5 ppm.<\/p>\n

Y\u00eau c\u1ea7u x\u1eed l\u00fd quy\u1ebft \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u. Ch\u1ea5t kh\u1eed b\u1ecdt tr\u1ed9n v\u1edbi n\u01b0\u1edbc m\u1ec1m ho\u1eb7c n\u01b0\u1edbc \u0111\u00e3 kh\u1eed kho\u00e1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt li\u00ean t\u1ee5c th\u00f4ng qua \u1ee9ng d\u1ee5ng b\u1eb1ng b\u01a1m. K\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n \u0111\u1ea1t \u0111\u01b0\u1ee3c khi tr\u1ed9n tr\u01b0\u1edbc v\u1edbi 4 ph\u1ea7n n\u01b0\u1edbc tr\u01b0\u1edbc khi th\u00eam dung d\u1ecbch trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd gi\u00e1n \u0111o\u1ea1n. C\u00e1c c\u00f4ng th\u1ee9c linh ho\u1ea1t nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u1ecf gi\u1ecdt, phun, \u0111\u1ed5 ho\u1eb7c ti\u00eam t\u00f9y theo nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n

B\u1ecdt vi sinh v\u1eadt t\u1ea1o ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. B\u1ecdt Nocardial xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng l\u1edbp b\u1ecdt d\u00e0y, \u1ed5n \u0111\u1ecbnh, m\u00e0u n\u00e2u v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean bi\u1ec7t. Vi\u1ec7c l\u1ef1a ch\u1ecdn h\u00f3a ch\u1ea5t ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i b\u1ecdt\u2014c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt d\u1ef1a tr\u00ean glycol kh\u00f4ng ch\u1ee9a d\u1ea7u kho\u00e1ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho b\u1ecdt vi sinh v\u1eadt do vi khu\u1ea9n Nocardia-form g\u00e2y ra. C\u00e1c c\u00f4ng th\u1ee9c ch\u1ee9a silicone mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t cho b\u1ecdt do vi khu\u1ea9n Microthrix parvicella g\u00e2y ra. N\u00ean tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt d\u1ef1a tr\u00ean d\u1ea7u v\u00ec vi khu\u1ea9n n\u00e0y s\u1eed d\u1ee5ng ch\u00fang l\u00e0m ngu\u1ed3n th\u1ee9c \u0103n.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb t\u00e1ch n\u01b0\u1edbc nh\u01b0 m\u00e1y ly t\u00e2m v\u00e0 m\u00e1y \u00e9p b\u0103ng trong c\u00e1c \u0111\u01a1n v\u1ecb x\u1eed l\u00fd b\u00f9n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh t\u00e1ch r\u1eafn-l\u1ecfng v\u00e0 d\u1eabn \u0111\u1ebfn b\u00f9n kh\u00f4 h\u01a1n v\u1edbi chi ph\u00ed x\u1eed l\u00fd th\u1ea5p h\u01a1n.<\/p>\n

K\u1ebft lu\u1eadn<\/h2>\n

Qu\u1ea3n l\u00fd b\u1ecdt \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch c\u00e1ch b\u1ecdt kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. C\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y bao g\u1ed3m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh chuy\u1ec3n giao oxy, h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 nguy c\u01a1 an to\u00e0n. T\u00e1c \u0111\u1ed9ng t\u00e0i ch\u00ednh c\u1ee7a c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn b\u1ecdt kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf chi ph\u00ed h\u00f3a ch\u1ea5t. N\u00f3 c\u00f2n bao g\u1ed3m chi ph\u00ed lao \u0111\u1ed9ng cao h\u01a1n, kh\u1ea3 n\u0103ng b\u1ecb ph\u1ea1t theo quy \u0111\u1ecbnh v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb.<\/p>\n

Nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p b\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch b\u1ecdt h\u00ecnh th\u00e0nh thay v\u00ec ch\u1ec9 kh\u1eafc ph\u1ee5c tri\u1ec7u ch\u1ee9ng. Ch\u1ea5t kh\u1eed b\u1ecdt t\u1ed1t nh\u1ea5t cho x\u1eed l\u00fd n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed. N\u00f3 l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac b\u1ecdt b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 ph\u00e1 v\u1ee1 m\u00e0ng bong b\u00f3ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c d\u1ef1a tr\u00ean silicone, polyalkylene glycol ho\u1eb7c d\u1ea7u kho\u00e1ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng quy tr\u00ecnh x\u1eed l\u00fd.<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u1ed1ng b\u1ecdt ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. Th\u00e1p l\u00e0m m\u00e1t c\u1ea7n c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c bi\u1ec7t so v\u1edbi b\u1ec3 x\u1eed l\u00fd sinh h\u1ecdc ho\u1eb7c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u00f9n. B\u1ecdt vi sinh v\u1eadt t\u1eeb vi khu\u1ea9n s\u1ee3i nh\u01b0 Nocardia \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn m\u1ee5c ti\u00eau, kh\u00e1c bi\u1ec7t so v\u1edbi nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u1ecdt d\u1ef1a tr\u00ean ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt cho x\u1eed l\u00fd n\u01b0\u1edbc mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch. Ch\u00fang gi\u00fap t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 truy\u1ec1n oxy v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd sinh h\u1ecdc. Ngo\u00e0i ra, ch\u00fang c\u00f2n gi\u1ea3m thi\u1ec3u nhu c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh. Ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 bi\u1ebfn b\u1ecdt kh\u00f3 x\u1eed l\u00fd t\u1eeb m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh th\u00e0nh m\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/p>\n

C\u00e1c c\u01a1 s\u1edf th\u00e0nh c\u00f4ng coi vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh c\u1ee7a h\u1ecd. Quan \u0111i\u1ec3m n\u00e0y cho th\u1ea5y c\u00e1ch ki\u1ec3m so\u00e1t b\u1ecdt g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd, an to\u00e0n v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. C\u00e1c nh\u00e0 v\u1eadn h\u00e0nh nh\u00e0 m\u00e1y th\u00e0nh th\u1ea1o v\u1ec1 h\u00f3a h\u1ecdc x\u1eed l\u00fd cu\u1ed1i c\u00f9ng \u0111\u00e3 v\u1eadn h\u00e0nh c\u00e1c quy tr\u00ecnh ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n \u0111\u1ed3ng th\u1eddi duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n m\u00f4i tr\u01b0\u1eddng cao.<\/p>\n

Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n

Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 bi\u1ebfn quy tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u1ee7a b\u1ea1n t\u1eeb ph\u1ee9c t\u1ea1p th\u00e0nh c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3.<\/p>\n

\u2022 B\u1ecdt g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh nghi\u00eam tr\u1ecdng.<\/strong> \u2013 Gi\u1ea3m kh\u1ea3 n\u0103ng truy\u1ec1n oxy t\u1eeb 30-50%, g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m c\u00e1c quy \u0111\u1ecbnh v\u1ec1 tu\u00e2n th\u1ee7 trong c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd.<\/p>\n

\u2022 Ch\u1ea5t kh\u1eed b\u1ecdt ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed.<\/strong> \u2013 Ch\u00fang l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh b\u1ecdt b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t, l\u00e0m y\u1ebfu th\u00e0nh b\u1ecdt v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p nh\u1ea5t c\u1ee7a c\u00e1c b\u1ecdt nh\u1ecf h\u01a1n.<\/p>\n

\u2022 L\u1ef1a ch\u1ecdn c\u1ee5 th\u1ec3 cho \u1ee9ng d\u1ee5ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/strong> \u2013 Ch\u1ea5t ch\u1ed1ng b\u1ecdt d\u1ef1a tr\u00ean silicone ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ed1i v\u1edbi b\u1ecdt do vi sinh v\u1eadt g\u00e2y ra, trong khi c\u00e1c lo\u1ea1i polyglycol ph\u00e1t huy t\u00e1c d\u1ee5ng t\u1ed1t trong c\u00e1c qu\u00e1 tr\u00ecnh nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

\u2022 Li\u1ec1u l\u01b0\u1ee3ng \u0111\u00fang gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3.<\/strong> \u2013 H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u1ea7n 5-100 ppm, n\u01b0\u1edbc l\u00f2 h\u01a1i ch\u1ec9 c\u1ea7n 1-5 ppm, v\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u00f9n \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c \u00e1p d\u1ee5ng c\u00f3 m\u1ee5c ti\u00eau.<\/p>\n

\u2022 L\u1ee3i \u00edch t\u00e0i ch\u00ednh kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf chi ph\u00ed h\u00f3a ch\u1ea5t.<\/strong> \u2013 Ki\u1ec3m so\u00e1t b\u1ecdt hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m chi ph\u00ed lao \u0111\u1ed9ng, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh t\u00e1ch r\u1eafn-l\u1ecfng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u00e1ch n\u01b0\u1edbc.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p cho chi\u1ebfn l\u01b0\u1ee3c x\u1eed l\u00fd n\u01b0\u1edbc bi\u1ebfn b\u1ecdt t\u1eeb m\u1ed9t y\u1ebfu t\u1ed1 g\u00e2y r\u1ee7i ro trong v\u1eadn h\u00e0nh th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, t\u1eeb \u0111\u00f3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, an to\u00e0n \u0111\u01b0\u1ee3c n\u00e2ng cao v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n cho c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>","protected":false},"excerpt":{"rendered":"

Foam creates headaches in wastewater treatment. It damages equipment, reduces operational efficiency and causes compliance problems. Uncontrolled foam triggers several serious issues. These range from safety risks to overflow events that reduce the efficiency of biological processes. Plant operators worldwide need to find the right defoamer chemical to treat wastewater. The treatment system faces multiple… C\u00e1ch ch\u1ea5t kh\u1eed b\u1ecdt trong x\u1eed l\u00fd n\u01b0\u1edbc n\u00e2ng cao hi\u1ec7u qu\u1ea3 ng\u00e0nh c\u00f4ng nghi\u1ec7p: H\u01b0\u1edbng d\u1eabn chuy\u00ean gia<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-176","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/comments?post=176"}],"version-history":[{"count":4,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/176\/revisions"}],"predecessor-version":[{"id":181,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/176\/revisions\/181"}],"wp:attachment":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/media?parent=176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/categories?post=176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/tags?post=176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}