{"id":121853,"date":"2022-11-23T14:48:08","date_gmt":"2022-11-23T06:48:08","guid":{"rendered":"https:\/\/www.alpapowder.com\/121853\/"},"modified":"2022-11-23T14:48:09","modified_gmt":"2022-11-23T06:48:09","slug":"cong-nghe-bao-che-vat-lieu-diet-khuan-hon-hop-khoang-set-kim-loai","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/121853\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 b\u00e0o ch\u1ebf v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n h\u1ed7n h\u1ee3p kho\u00e1ng s\u00e9t-kim lo\u1ea1i"},"content":{"rendered":"

\"\"<\/p>\n

Trong c\u00e1c v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n m\u1edbi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf d\u1ef1a tr\u00ean kho\u00e1ng s\u00e9t, b\u1ea3n th\u00e2n kho\u00e1ng s\u00e9t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t mang cho c\u00e1c ch\u1ea5t di\u1ec7t khu\u1ea9n (nh\u01b0 kim lo\u1ea1i, oxit kim lo\u1ea1i, ch\u1ea5t h\u1eefu c\u01a1) v\u00e0 kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n c\u1ee7a ch\u00fang c\u00f2n h\u1ea1n ch\u1ebf. Kho\u00e1ng s\u00e9t bi\u1ebfn t\u00ednh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, v\u00e0 v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p t\u1eeb kho\u00e1ng s\u00e9t v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n m\u1edbi \u0111\u1ec3 t\u1ea1o ra t\u00e1c d\u1ee5ng di\u1ec7t khu\u1ea9n \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i vi khu\u1ea9n kh\u00e1c nhau.<\/p>\n

Kho\u00e1ng s\u00e9t c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh kh\u00e1c nhau (bao g\u1ed3m bi\u1ebfn t\u00ednh nhi\u1ec7t, bi\u1ebfn t\u00ednh axit, bi\u1ebfn t\u00ednh v\u00f4 c\u01a1 c\u1ee7a kim lo\u1ea1i ho\u1eb7c oxit kim lo\u1ea1i, bi\u1ebfn t\u00ednh h\u1eefu c\u01a1 v\u00e0 bi\u1ebfn t\u00ednh composite, v.v.). Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t t\u0103ng l\u00ean, \u0111\u1ed9 x\u1ed1p v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a kho\u00e1ng ch\u1ea5t t\u0103ng l\u00ean, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed5ng th\u1ec3 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1ea5t s\u00e9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda \u0111\u1ed5i v\u00e0 chu\u1ea9n b\u1ecb c\u00e1c v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n ch\u1ee7 y\u1ebfu l\u00e0 montmorillonite<\/a>, kaolinite, halloysite v\u00e0 vermiculite, trong \u0111\u00f3 montmorillonite c\u00f3 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation v\u01b0\u1ee3t tr\u1ed9i, mi\u1ec1n xen k\u1ebd l\u1edbn, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 v\u00e0 m\u1ea1nh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ee7a n\u00f3.<\/p>\n

C\u00e1c ion kim lo\u1ea1i \u0111\u1ed9c h\u1ea1i v\u00e0 oxit kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o l\u1edbp kho\u00e1ng s\u00e9t ho\u1eb7c \u0111\u01b0\u1ee3c h\u1ea5p ph\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 \u0111\u1ec3 chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n t\u1ed5ng h\u1ee3p. C\u00e1c ion kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u ch\u1ee7 y\u1ebfu bao g\u1ed3m k\u1ebdm, \u0111\u1ed3ng v\u00e0 b\u1ea1c (trong \u0111\u00f3 b\u1ea1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i) v\u00e0 c\u00e1c oxit kim lo\u1ea1i bao g\u1ed3m oxit titan, oxit k\u1ebdm, oxit \u0111\u1ed3ng v\u00e0 oxit s\u1eaft. Kho\u00e1ng v\u1eadt s\u00e9t v\u00e0 kim lo\u1ea1i ho\u1eb7c oxit kim lo\u1ea1i \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh ch\u1ee7 y\u1ebfu th\u00f4ng qua trao \u0111\u1ed5i cation gi\u1eefa c\u00e1c l\u1edbp ho\u1eb7c h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t kho\u00e1ng v\u1eadt. C\u01a1 ch\u1ebf di\u1ec7t khu\u1ea9n c\u1ee7a lo\u1ea1i v\u1eadt li\u1ec7u composite di\u1ec7t khu\u1ea9n n\u00e0y li\u00ean quan \u0111\u1ebfn \u0111\u1ed9c t\u00ednh c\u1ee7a kim lo\u1ea1i \u0111\u1ed1i v\u1edbi t\u1ebf b\u00e0o ho\u1eb7c do c\u00e1c g\u1ed1c t\u1ef1 do sinh ra.<\/p>\n

Kho\u00e1ng s\u00e9t ch\u1ee9a c\u00e1c ion kim lo\u1ea1i c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 gi\u1ea3i ph\u00f3ng kim lo\u1ea1i ch\u1eadm, k\u00e9o d\u00e0i th\u1eddi gian kh\u1eed tr\u00f9ng v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a v\u1eadt li\u1ec7u kh\u1eed tr\u00f9ng. S\u1ef1 gi\u1ea3i ph\u00f3ng kim lo\u1ea1i ch\u1eadm li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng li\u00ean k\u1ebft gi\u1eefa c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t kho\u00e1ng s\u00e9t v\u00e0 kim lo\u1ea1i. Vi\u1ec7c t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 \u0111\u1ed9 x\u1ed1p c\u1ee7a kho\u00e1ng s\u00e9t gi\u00fap ph\u00e2n t\u00e1n c\u00e1c h\u1ea1t nano kim lo\u1ea1i, n\u00e2ng cao hi\u1ec7u qu\u1ea3 ti\u1ebfp x\u00fac gi\u1eefa nano kim lo\u1ea1i v\u00e0 vi khu\u1ea9n, n\u00e2ng cao hi\u1ec7u qu\u1ea3 di\u1ec7t khu\u1ea9n. Tuy nhi\u00ean, x\u00e9t v\u1ec1 \u0111\u1ed9c t\u00ednh c\u1ee7a c\u00e1c h\u1ea1t nano kim lo\u1ea1i, \u0111\u1ed9c t\u00ednh sinh h\u1ecdc c\u1ee7a ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. Tuy nhi\u00ean, do s\u1ef1 gi\u1ea3i ph\u00f3ng ch\u1eadm c\u00e1c ion kim lo\u1ea1i trong kho\u00e1ng s\u00e9t, kim lo\u1ea1i c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u00edch t\u1ee5 trong c\u01a1 th\u1ec3 v\u00e0 bi\u1ec3u hi\u1ec7n \u0111\u1ed9c t\u00ednh theo th\u1eddi gian.<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong c\u00e1c v\u1eadt li\u1ec7u di\u1ec7t khu\u1ea9n m\u1edbi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf d\u1ef1a tr\u00ean kho\u00e1ng s\u00e9t, b\u1ea3n th\u00e2n kho\u00e1ng s\u00e9t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t mang cho c\u00e1c ch\u1ea5t di\u1ec7t khu\u1ea9n (nh\u01b0 kim lo\u1ea1i, oxit kim lo\u1ea1i, ch\u1ea5t h\u1eefu c\u01a1) v\u00e0 kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n c\u1ee7a ch\u00fang c\u00f2n h\u1ea1n ch\u1ebf.<\/p>\n","protected":false},"author":7,"featured_media":121818,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-121853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/121853","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=121853"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/121853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/121818"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=121853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=121853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=121853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}