{"id":7792,"date":"2025-07-08T11:12:24","date_gmt":"2025-07-08T04:12:24","guid":{"rendered":"https:\/\/apanano.com\/vi\/?p=7792"},"modified":"2025-07-08T11:12:24","modified_gmt":"2025-07-08T04:12:24","slug":"su-dung-hop-ly-bentonite-trong-khau-phan-dinh-duong-cua-dong-vat-da-day-don","status":"publish","type":"post","link":"https:\/\/apanano.com\/vi\/news\/su-dung-hop-ly-bentonite-trong-khau-phan-dinh-duong-cua-dong-vat-da-day-don\/","title":{"rendered":"S\u1eed d\u1ee5ng h\u1ee3p l\u00fd bentonite trong kh\u1ea9u ph\u1ea7n dinh d\u01b0\u1ee1ng c\u1ee7a \u0111\u1ed9ng v\u1eadt d\u1ea1 d\u00e0y \u0111\u01a1n"},"content":{"rendered":"

Bentonite l\u00e0 m\u1ed9t ph\u1ee5 gia th\u1ee9c \u0103n kh\u00e1 ph\u1ed5 bi\u1ebfn, linh ho\u1ea1t, gi\u00e1 th\u00e0nh th\u1ea5p v\u00e0 ngu\u1ed3n cung d\u1ed3i d\u00e0o, tuy nhi\u00ean c\u00f2n c\u00f3 nhi\u1ec1u \u0111i\u1ec1u m\u00e0 ch\u00fang ta ch\u01b0a hi\u1ec3u r\u00f5 v\u1ec1 n\u00f3.<\/strong><\/p>\n

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B\u1ed5 sung \u0111\u1ea5t s\u00e9t v\u00e0o th\u1ee9c \u0103n cho v\u1eadt nu\u00f4i\u00a0kh\u00f4ng ph\u1ea3i vi\u1ec7c l\u00e0m m\u1edbi hay xa l\u1ea1. Trong t\u1ef1 nhi\u00ean, th\u00fa hoang d\u00e3 lu\u00f4n ti\u00eau th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng \u0111\u1ea5t nh\u1ecf b\u00ean c\u1ea1nh ngu\u1ed3n th\u1ee9c \u0103n ch\u00ednh, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt ki\u1ebfm \u0103n d\u01b0\u1edbi \u0111\u1ea5t, v\u00ed d\u1ee5 nh\u01b0 heo, v\u00e0 ngu\u1ed3n kho\u00e1ng s\u00e9t t\u1ed1t nh\u1ea5t th\u01b0\u1eddng \u1edf d\u1ea1ng b\u1ee5i \u0111\u1ea5t. Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 \u00fd ki\u1ebfn cho r\u1eb1ng th\u00fa non s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t nh\u1ea5t \u0111\u1ecbnh (c\u00f3 ch\u1ee9a s\u1eaft) \u0111\u1ec3 b\u1ed5 sung nh\u1eefng ch\u1ea5t c\u00f2n thi\u1ebfu m\u00e0 s\u1eefa m\u1eb9 kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 \u2013 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 do \u0111\u1eb7c t\u00ednh b\u1ea3o t\u1ed3n sinh h\u1ecdc t\u1ef1 nhi\u00ean \u0111\u1ec3 n\u1ed7 l\u1ef1c cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 d\u01b0\u1ee1ng ch\u1ea5t cho c\u01a1 th\u1ec3.<\/p>\n

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\u0110\u1ea5t s\u00e9t bao g\u1ed3m c\u00e1c h\u1ea1t s\u00e9t ho\u1eb7c \u0111\u00e1 (silica) r\u1ea5t m\u1ecbn k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u kho\u00e1ng ch\u1ea5t (canxi, natri, kali \u2026), t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp kho\u00e1ng s\u00e9t kh\u00e1c nhau. Ngo\u00e0i t\u00ednh ch\u1ea5t h\u1ea1t m\u1ecbn, t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kho\u00e1ng s\u00e9t c\u00f2n c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n l\u00e0 c\u00f3 \u00e1i l\u1ef1c cao v\u1edbi n\u01b0\u1edbc v\u00e0 c\u00f3 \u0111\u1ed9 d\u1ebbo, khi k\u1ebft h\u1ee3p l\u1ea1i cho ra d\u1ea1ng b\u00f9n.<\/p>\n

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Nh\u00ecn chung, \u0111\u1ea5t c\u0169ng l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m t\u1ef1 nhi\u00ean, v\u00e0 \u0111\u1ed9ng v\u1eadt c\u0169ng kh\u00e1 quen v\u1edbi vi\u1ec7c \u0103n n\u00f3 \u2013 n\u00f3i nh\u01b0 th\u1ebf kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 t\u00f9y \u00fd cho v\u1eadt nu\u00f4i trong tr\u1ea1i \u0103n b\u00f9n \u0111\u1ea5t. Ng\u01b0\u1ee3c l\u1ea1i, trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p to\u00e0n c\u1ea7u hi\u1ec7n nay, y\u00eau c\u1ea7u \u0111\u1eb7t ra l\u00e0 c\u1ea7n ph\u1ea3i nghi\u00ean c\u1ee9u c\u00e1c h\u1ee3p ch\u1ea5t kho\u00e1ng s\u00e9t t\u1ef1 nhi\u00ean \u0111\u1ec3 t\u00ecm ra nh\u1eefng s\u1ea3n ph\u1ea9m ph\u1ee5 gia ph\u00f9 h\u1ee3p nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng th\u1ee9c \u0103n.<\/p>\n

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Nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o c\u1ee7a bentonite<\/strong><\/p>\n

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S\u1ea3n ph\u1ea9m nh\u01b0 bentonite, m\u1ed9t lo\u1ea1i kho\u00e1ng s\u00e9t c\u00f3 t\u00ean t\u1eeb m\u1ed9t m\u1ecf t\u1ef1 nhi\u00ean g\u1ecdi l\u00e0 Benton Shale g\u1ea7n Fort Benton t\u1ea1i Wyoming, M\u1ef9 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y v\u00e0o n\u0103m 1898. T\u1ea5t nhi\u00ean l\u00e0 bentonite kh\u00f4ng ch\u1ec9 c\u00f3 \u1edf M\u1ef9, ch\u00fang ta c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y nh\u1eefng h\u1ee3p ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. Trong th\u1ef1c t\u1ebf, \u1edf ch\u00e2u \u00c2u, c\u00f3 m\u1ed9t lo\u1ea1i kho\u00e1ng s\u00e9t t\u01b0\u01a1ng t\u1ef1 (kh\u00f4ng gi\u1ed1ng h\u1ec7t bentonite) \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 montmorillonite, \u1edf ph\u00eda sau th\u1ecb tr\u1ea5n Montmorillon \u2013 Ph\u00e1p, n\u01a1i kho\u00e1ng s\u00e9t n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1847. \u0110\u1ec3 d\u1ec5 ph\u00e1t \u00e2m v\u00e0 vi\u1ebft t\u00ean, ch\u00fang ta s\u1ebd g\u1ecdi n\u00f3 l\u00e0 bentonite. Hi\u1ec7n nay c\u00f3 v\u00e0i \u0111i\u1ec1u th\u00fa v\u1ecb m\u00e0 ch\u00fang ta c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang th\u1ea3o lu\u1eadn v\u1ec1 danh ph\u00e1p c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kho\u00e1ng s\u00e9t, m\u1ed9t v\u00e0i \u0111i\u1ec1u v\u01b0\u1ee3t ra kh\u1ecfi ph\u1ea1m vi nghi\u00ean c\u1ee9u n\u00e0y.<\/p>\n

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C\u1ee5 th\u1ec3 h\u01a1n th\u00ec bentonite l\u00e0 kho\u00e1ng s\u00e9t nh\u00f4m phyllosilicate. N\u00f3i c\u00e1ch kh\u00e1c, n\u00f3 ch\u1ee9a silicon dioxide (\u0111\u1ea5t) v\u00e0 nh\u00f4m, li\u00ean k\u1ebft v\u1edbi hai kho\u00e1ng ch\u1ea5t quan tr\u1ecdng (canxi ho\u1eb7c natri) mang \u0111\u1ebfn cho bentonite nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng trong th\u1ee9c \u0103n ch\u0103n nu\u00f4i cho th\u00fa d\u1ea1 d\u00e0y \u0111\u01a1n.<\/p>\n

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Natri bentonite<\/strong><\/p>\n

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\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a natri bentonite l\u00e0 kh\u1ea3 n\u0103ng n\u1edf to v\u00e0 h\u1ea5p th\u1ee5 l\u01b0\u1ee3ng n\u01b0\u1edbc g\u1ea5p nhi\u1ec1u l\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u00f3. Kho\u00e1ng s\u00e9t n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 \u201cm\u00fat h\u00fat n\u01b0\u1edbc\u201d trong ru\u1ed9t, h\u1ea5p thu l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1eeba qu\u00e1 m\u1ee9c trong \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, c\u00f3 th\u1ec3 x\u1ea3y ra do nh\u1eefng r\u1ed1i lo\u1ea1n b\u1ec7nh l\u00fd (ti\u00eau ch\u1ea3y do vi khu\u1ea9n) ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng (ti\u00eau ch\u1ea3y th\u1ea9m th\u1ea5u). \u1ede c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, bentonite \u0111\u1ec1u gi\u00fap ki\u1ec3m so\u00e1t n\u01b0\u1edbc trong \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, v\u00e0 c\u00f9ng v\u1edbi c\u00e1c ph\u1ee5 gia kh\u00e1c, c\u00f3 th\u1ec3 gi\u00fap ph\u00f2ng ng\u1eeba ho\u1eb7c gi\u1ea3m b\u1edbt c\u00e1c tri\u1ec7u ch\u1ee9ng b\u1ec7nh l\u00fd nh\u01b0 trong tr\u01b0\u1eddng h\u1ee3p ph\u00e2n \u01b0\u1edbt (gia c\u1ea7m) ho\u1eb7c ti\u00eau ch\u1ea3y ph\u00e2n l\u1ecfng (heo).<\/p>\n

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T\u1ef7 l\u1ec7 b\u1ed5 sung cho m\u1ee5c \u0111\u00edch tr\u00ean th\u00f4ng th\u01b0\u1eddng \u1edf m\u1ee9c 20 kg\/ t\u1ea5n, ho\u1eb7c \u1edf m\u1ee9c 2%, m\u1ee9c c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a th\u1ee9c \u0103n gia nhi\u1ec7t. Th\u1ee9c \u0103n \u0111ang \u0111\u01b0\u1ee3c \u00e9p vi\u00ean (ph\u1ed5 bi\u1ebfn nh\u1ea5t) ho\u1eb7c l\u00e0m x\u1ed1p (\u00edt h\u01a1n) c\u00f3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng cao natri bentonite s\u1ebd c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m x\u1eed l\u00fd v\u00e0 t\u00ednh ch\u1ea5t th\u00e0nh ph\u1ea9m kh\u00e1c so v\u1edbi nh\u1eefng c\u00f4ng th\u1ee9c kh\u00f4ng b\u1ed5 sung kho\u00e1ng s\u00e9t. Bentonite s\u1ebd h\u1ea5p thu l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho kh\u1ed1i th\u1ee9c \u0103n \u0111\u00e0n h\u1ed3i h\u01a1n, nh\u01b0ng n\u00f3 c\u0169ng s\u1ebd l\u00e0m c\u1ee9ng vi\u00ean th\u1ee9c \u0103n ho\u1eb7c l\u00e0m tr\u00e0o ra khi s\u1ea5y. Ch\u00fang ta c\u1ea7n l\u01b0u \u00fd r\u1eb1ng kho\u00e1ng s\u00e9t s\u1ebd tr\u1edf n\u00ean gi\u00f2n sau khi \u0111\u01b0\u1ee3c n\u01b0\u1edbng, v\u00e0 n\u1ebfu t\u00ednh ch\u1ea5t n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t h\u1ed7 tr\u1ee3 cho qu\u00e1 tr\u00ecnh \u00e9p vi\u00ean, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m ph\u00e1t sinh nhi\u1ec1u chi ph\u00ed h\u01a1n h\u01a1n so v\u1edbi d\u1ef1 ki\u1ebfn.<\/p>\n

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Canxi bentonite<\/strong><\/p>\n

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Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi natri bentonite, \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a canxi bentonite kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ch\u1ea5t h\u1ea5p thu n\u01b0\u1edbc. Thay v\u00e0o \u0111\u00f3, n\u00f3 l\u00e0 s\u1ef1 h\u1ea5p ph\u1ee5 (g\u1eafn k\u1ebft) v\u1edbi c\u00e1c h\u1ea1t ion \u2013 nh\u01b0 vi kho\u00e1ng, c\u0169ng nh\u01b0 m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ed9c t\u1ed1 n\u1ea5m. V\u00ec v\u1eady, s\u1eed d\u1ee5ng canxi bentonite l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng tinh vi, kh\u00e9o l\u00e9o. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t ph\u1ee5 gia \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong vi\u1ec7c ki\u1ec3m so\u00e1t t\u1ea1p nhi\u1ec5m \u0111\u1ed9c t\u1ed1 n\u1ea5m aflatoxin (d\u00f9ng \u1edf m\u1ee9c 0.5 \u0111\u1ebfn 1.0 %), nh\u01b0ng kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng tr\u00ean nh\u1eefng lo\u1ea1i \u0111\u1ed9c t\u1ed1 n\u1ea5m kh\u00e1c.<\/p>\n

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Khi s\u1eed d\u1ee5ng canxi bentonite nh\u01b0 m\u1ed9t ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ed9c t\u1ed1 n\u1ea5m aflatoxin, c\u1ea7n th\u1eadn tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nh\u1eefng h\u1ee3p ch\u1ea5t ion kho\u00e1ng trong kh\u1ea9u ph\u1ea7n c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, v\u00ec nh\u1eefng ion kho\u00e1ng n\u00e0y c\u00f3 th\u1ec3 b\u1ecb canxi bentonite k\u1ebft d\u00ednh. \u1ede \u0111\u00e2y, ch\u00fang ta c\u0169ng c\u1ea7n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1ebfn s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a natri trong dung d\u1ecbch (nh\u01b0 \u0111i\u1ec1u ki\u1ec7n trong \u0111\u01b0\u1eddng ru\u1ed9t v\u1eadt nu\u00f4i), canxi bentonite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh natri bentonite. V\u00ec v\u1eady, n\u1ebfu c\u00f3 \u0111\u1ee7 th\u1eddi gian, canxi bentonite s\u1ebd m\u1ea5t \u0111i m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t li\u00ean k\u1ebft m\u1ea1nh v\u1edbi ion kho\u00e1ng v\u00e0 b\u1eaft \u0111\u1ea7u c\u00f3 \u0111\u1eb7c t\u00ednh n\u1edf to m\u1ea1nh m\u1ebd c\u1ee7a natri bentonite. \u0110\u1ed1i v\u1edbi v\u1eadt nu\u00f4i trong giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng nhanh, ti\u00eau th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn th\u1ee9c \u0103n (th\u1eddi gian l\u01b0u chuy\u1ec3n th\u1ee9c \u0103n trong \u1ed1ng ti\u00eau h\u00f3a nhanh), \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1edbn. Nh\u01b0ng d\u00f9 sao th\u00ec ch\u00fang ta c\u1ea7n ph\u1ea3i c\u00e2n nh\u1eafc k\u1ef9 khi s\u1eed d\u1ee5ng m\u1ed9t s\u1ea3n ph\u1ea9m bentonite.<\/p>\n

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Nh\u1eefng \u00fd ki\u1ebfn kh\u00e1c<\/strong><\/p>\n

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Cho \u0111\u1ebfn nay, c\u00e1c s\u1ea3n ph\u1ea9m bentonite \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 h\u1ea5p th\u1ee5 n\u01b0\u1edbc ho\u1eb7c \u0111\u1ec3 k\u1ebft d\u00ednh \u0111\u1ed9c t\u1ed1 n\u1ea5m aflatoxin. Tuy nhi\u00ean, nh\u1eefng ch\u1ea5t n\u00e0y c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 t\u00e1c d\u1ee5ng ph\u1ee5 kh\u00e1c. Th\u1ee9 nh\u1ea5t, c\u00e1c kho\u00e1ng s\u00e9t c\u0169ng c\u00f3 t\u00e1c d\u1ee5ng nh\u01b0 thu\u1ed1c nhu\u1eadn tr\u00e0ng nh\u1eb9. Ch\u00fang ta c\u00f3 th\u1ec3 quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00f4ng ch\u1ec9 trong tr\u01b0\u1eddng h\u1ee3p th\u00fa tr\u01b0\u1edfng th\u00e0nh \u0111\u01b0\u1ee3c nu\u00f4i d\u01b0\u1ee1ng b\u1eb1ng nh\u1eefng kh\u1ea9u ph\u1ea7n ngh\u00e8o ch\u1ea5t x\u01a1, m\u00e0 c\u00f2n trong kh\u1ea9u ph\u1ea7n c\u1ee7a th\u00fa non. Do \u0111\u00f3, s\u1eed d\u1ee5ng v\u1eeba ph\u1ea3i, h\u1ee3p l\u00fd c\u00e1c s\u1ea3n ph\u1ea9m bentonite c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n so v\u1edbi s\u1eed d\u1ee5ng li\u1ec1u cao. M\u1eb7t kh\u00e1c, th\u1ee9c \u0103n ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng bentonite cao s\u1ebd \u1ed5n \u0111\u1ecbnh t\u1ed1t h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu kh\u1eafc nghi\u1ec7t, \u1ea9m \u01b0\u1edbt v\u00ec bentonite c\u00f3 t\u00ednh ch\u1ea5t h\u00fat \u1ea9m t\u1ef1 nhi\u00ean. Cu\u1ed1i c\u00f9ng, vi\u1ec7c s\u1eed d\u1ee5ng bentonite trong th\u1ee9c \u0103n l\u1ecfng c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u \u00fd v\u00ec t\u00ednh keo d\u00ednh c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng r\u1ed1i lo\u1ea1n.<\/p>\n

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Kinh nghi\u1ec7m th\u1ef1c t\u1ebf<\/strong><\/p>\n

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T\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng bentonite v\u1edbi li\u1ec1u d\u00f9ng l\u00ean \u0111\u1ebfn 2% trong nhi\u1ec1u lo\u1ea1i th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p m\u00e0 kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec, nh\u01b0ng t\u00f4i lu\u00f4n nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng t\u00e1c d\u1ee5ng ph\u1ee5 c\u00f3 th\u1ec3 x\u1ea3y ra. Khi b\u1eaft \u0111\u1ea7u l\u1ea1i quy tr\u00ecnh m\u1edbi, t\u00f4i ch\u1ec9 mu\u1ed1n s\u1eed d\u1ee5ng 1% bentonite nh\u01b0 l\u00e0 gi\u1edbi h\u1ea1n t\u1ed1i \u0111a. C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i kho\u00e1ng s\u00e9t c\u00f3 th\u1ec3 thay th\u1ebf cho bentonite, v\u00e0 t\u00f4i \u0111\u00e3 th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng bentonite v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a kho\u00e1ng s\u00e9t thay th\u1ebf. Trong th\u1ef1c t\u1ebf, \u0111\u1ed1i v\u1edbi t\u00f4i, bentonite v\u1eabn l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn kho\u00e1ng s\u00e9t \u0111\u1ea7u ti\u00ean \u0111\u1ec3 s\u1eed d\u1ee5ng, v\u00ec t\u00f4i \u0111\u00e3 quen thu\u1ed9c v\u1edbi s\u1ea3n ph\u1ea9m n\u00e0y. \u00cdt nh\u1ea5t th\u00ec c\u00e1c lo\u1ea1i kho\u00e1ng s\u00e9t kh\u00e1c c\u0169ng c\u00f3 hi\u1ec7u qu\u1ea3 ho\u1eb7c g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bentonite.<\/p>\n

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theo WattAgnet<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Bentonite l\u00e0 m\u1ed9t ph\u1ee5 gia th\u1ee9c \u0103n kh\u00e1 ph\u1ed5 bi\u1ebfn, linh ho\u1ea1t, gi\u00e1 th\u00e0nh th\u1ea5p v\u00e0 ngu\u1ed3n cung d\u1ed3i d\u00e0o, tuy nhi\u00ean c\u00f2n c\u00f3 nhi\u1ec1u \u0111i\u1ec1u m\u00e0 ch\u00fang ta ch\u01b0a hi\u1ec3u r\u00f5 v\u1ec1 n\u00f3. B\u1ed5 sung \u0111\u1ea5t s\u00e9t v\u00e0o th\u1ee9c … \u0110\u1ecdc th\u00eam<\/a><\/p>\n","protected":false},"author":722,"featured_media":7793,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[27,89],"tags":[1063,125],"class_list":["post-7792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-news","tag-khau-phan-dinh-duong","tag-thuoc-thu-y"],"_links":{"self":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/7792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/users\/722"}],"replies":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/comments?post=7792"}],"version-history":[{"count":1,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/7792\/revisions"}],"predecessor-version":[{"id":7794,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/7792\/revisions\/7794"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/media\/7793"}],"wp:attachment":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/media?parent=7792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/categories?post=7792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/tags?post=7792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}