{"id":119586,"date":"2022-11-04T13:44:58","date_gmt":"2022-11-04T05:44:58","guid":{"rendered":"https:\/\/www.alpapowder.com\/119586\/"},"modified":"2022-11-04T13:44:58","modified_gmt":"2022-11-04T05:44:58","slug":"montmorillonite-bien-doi-vo-co-va-huu-co-va-ung-dung-cua-no-trong-xu-ly-nuoc-thai","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/119586\/","title":{"rendered":"Montmorillonite bi\u1ebfn \u0111\u1ed5i v\u00f4 c\u01a1 v\u00e0 h\u1eefu c\u01a1 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i"},"content":{"rendered":"

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M\u1eb7c d\u00f9 montmorillonite c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1eb7c t\u00ednh ri\u00eang c\u1ee7a m\u00ecnh \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc, c\u00e1c ion v\u00f4 c\u01a1 \u01b0a n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u1edbp c\u1ee7a montmorillonite l\u00e0m cho s\u1ef1 h\u1ea5p ph\u1ee5 ch\u1ecdn l\u1ecdc c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 trong n\u01b0\u1edbc k\u00e9m.<\/p>\n

Hi\u1ec7n nay, kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ee7a montmorillonite<\/a> \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh axit, bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t v\u00e0 h\u1ed7 tr\u1ee3 tr\u1ee5 v\u00f4 c\u01a1. B\u1ec1 m\u1eb7t c\u1ee7a montmorillonite<\/a> bi\u1ebfn t\u00ednh h\u1eefu c\u01a1 k\u1ef5 n\u01b0\u1edbc, l\u00e0 v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 t\u1ed1t c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 k\u1ef5 n\u01b0\u1edbc; montmorillonite d\u1ea1ng vi\u00ean c\u00f3 hi\u1ec7u su\u1ea5t h\u1ea5p ph\u1ee5 t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m v\u00f4 c\u01a1.<\/p>\n

Tuy nhi\u00ean, n\u01b0\u1edbc th\u1ea3i th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111\u1ed9c h\u1ea1i. Khi m\u1ed9t montmorillonite<\/a> bi\u1ebfn t\u00ednh \u0111\u01a1n l\u1ebb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f3 ch\u1ee9a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c nhau, n\u00f3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t h\u1ea5p ph\u1ee5 t\u1ed1t \u0111\u1ed1i v\u1edbi m\u1ed9t ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng hi\u1ec7u su\u1ea5t h\u1ea5p ph\u1ee5 k\u00e9m \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i kh\u00e1c. N\u00f3 cho th\u1ea5y r\u1eb1ng s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i kh\u00e1c nhau c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf montmorillonite<\/a> \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng c\u1ee7a n\u00f3.<\/p>\n

S\u1ef1 bi\u1ebfn \u0111\u1ed5i mu\u1ed1i v\u00f4 c\u01a1 l\u00e0 th\u00f4ng qua trao \u0111\u1ed5i ion gi\u1eefa c\u00e1c cation xen k\u1ebd montmorillonite<\/a> (MMT) v\u00e0 m\u1ed9t ho\u1eb7c nhi\u1ec1u cation kim lo\u1ea1i v\u00f4 c\u01a1 ng\u1eadm n\u01b0\u1edbc. C\u00e1c cation ng\u1eadm n\u01b0\u1edbc c\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u00edch \u00e2m tr\u00ean t\u1ee9 di\u1ec7n silic-oxy \u200b\u200bv\u00e0 t\u00e1c d\u1ee5ng v\u1edbi dung m\u00f4i xen k\u1ebd \u0111\u1ec3 t\u1ea1o ra montmorillonite<\/a>. Vi\u1ec7c lo\u1ea1i b\u1ecf \u0111\u1ea5t v\u00e0 t\u1ea9y t\u1ebf b\u00e0o ch\u1ebft ph\u00e2n t\u00e1n th\u00e0nh m\u1ed9t t\u1ea5m wafer duy nh\u1ea5t, gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ee7a MMT \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc.<\/p>\n

Tuy nhi\u00ean, montmorillonite<\/a> bi\u1ebfn t\u00ednh b\u1eb1ng mu\u1ed1i v\u00f4 c\u01a1 ch\u1ec9 cho th\u1ea5y \u00e1i l\u1ef1c l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c anion ch\u1ee9a oxy trong n\u01b0\u1edbc, v\u00e0 kh\u00f4ng cho th\u1ea5y kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 \u0111\u1eb7c bi\u1ec7t m\u1ea1nh \u0111\u1ed1i v\u1edbi c\u00e1c ion photphat, trong khi montmorillonite bi\u1ebfn t\u00ednh ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 c\u00f3 th\u1ec3 r\u1ea5t l\u1edbn \u0111\u1ebfn t\u00ednh ch\u1ecdn l\u1ecdc h\u1ea5p ph\u1ee5 c\u1ee7a montmorillonite \u0111\u1ed1i v\u1edbi kim lo\u1ea1i n\u1eb7ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, nh\u01b0ng c\u1ea5u tr\u00fac l\u1ed7 x\u1ed1p c\u1ee7a montmorillonite s\u1ebd b\u1ecb ch\u1eb7n l\u1ea1i, l\u00e0m gi\u1ea3m th\u1ec3 t\u00edch l\u1ed7 x\u1ed1p v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang, kh\u00f4ng c\u00f3 l\u1ee3i cho vi\u1ec7c h\u1ea5p ph\u1ee5 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m.<\/p>\n

Do \u0111\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng c\u00e1c cation kim lo\u1ea1i cao ph\u00e2n t\u1eed \u0111\u1ec3 xen k\u1ebd montmorillonite<\/a>, v\u00e0 sau \u0111\u00f3 t\u1ea1o ra montmorillonite d\u1ea1ng vi\u00ean sau khi nung, v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t ho\u1eb7c ch\u1ea5t k\u1ebft h\u1ee3p silan \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i th\u1ee9 c\u1ea5p \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf montmorillonite bi\u1ebfn t\u00ednh h\u1ed7n h\u1ee3p v\u00f4 c\u01a1-h\u1eefu c\u01a1. Tr\u00e1i \u0111\u1ea5t.<\/p>\n

Vi\u1ec7c s\u1eeda \u0111\u1ed5i h\u1ed7n h\u1ee3p v\u00f4 c\u01a1-h\u1eefu c\u01a1 ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t ho\u1eb7c organosilanes l\u00e0m ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh h\u1eefu c\u01a1 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ion kim lo\u1ea1i hydroxyl \u0111\u00e3 polyme h\u00f3a l\u00e0m ch\u1ea5t t\u1ea1o \u0111\u01b0\u1eddng \u1ed1ng v\u00f4 c\u01a1. Montmorillonite<\/a> bi\u1ebfn t\u00ednh h\u1ed7n h\u1ee3p h\u1eefu c\u01a1-v\u00f4 c\u01a1 thu \u0111\u01b0\u1ee3c ch\u1ee9a c\u1ea3 lo\u1ea1i h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1. Nh\u00f3m ho\u1ea1t \u0111\u1ed9ng c\u00f3 c\u1ea3 t\u00e1c d\u1ee5ng c\u01a1 h\u1ecdc v\u00e0 t\u00e1c d\u1ee5ng \u1ed5n \u0111\u1ecbnh c\u1ee7a montmorillonite<\/a> d\u1ea1ng vi\u00ean, v\u00e0 t\u00e1c d\u1ee5ng k\u1ef5 n\u01b0\u1edbc c\u1ee7a montmorillonite h\u1eefu c\u01a1. N\u00f3 c\u00f3 th\u1ec3 t\u00edch l\u1ed7 x\u1ed1p v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, v\u00e0 c\u00f3 t\u00ednh ch\u1ecdn l\u1ecdc h\u1ea5p ph\u1ee5 t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c ion kim lo\u1ea1i n\u1eb7ng. C\u0169ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 h\u1ea5p ph\u1ee5 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1.<\/p>\n

C\u00e1c cation kim lo\u1ea1i v\u00f4 c\u01a1 ng\u1eadm n\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trao \u0111\u1ed5i ion v\u1edbi c\u00e1c cation gi\u1eefa c\u00e1c l\u1edbp c\u1ee7a montmorillonite<\/a>, do \u0111\u00f3 montmorillonite \u0111\u01b0\u1ee3c t\u1ea9y t\u1ebf b\u00e0o ch\u1ebft v\u00e0 ph\u00e2n t\u00e1n, sau \u0111\u00f3 \u0111\u01b0\u1ee3c nung \u0111\u1ec3 t\u1ea1o th\u00e0nh montmorillonite d\u1ea1ng vi\u00ean v\u00f4 c\u01a1 v\u1edbi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1edbp l\u1edbn, v\u00e0 ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 sau \u0111\u00f3 \u0111i v\u00e0o montmorillonite l\u1edbp. Montmorillonite<\/a> bi\u1ebfn \u0111\u1ed5i v\u00f4 c\u01a1-h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ee7a montmorillonite \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh axit, bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t v\u00e0 h\u1ed7 tr\u1ee3 tr\u1ee5 v\u00f4 c\u01a1.<\/p>\n","protected":false},"author":7,"featured_media":119562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-119586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/119586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=119586"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/119586\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/119562"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=119586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=119586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=119586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}