{"id":128628,"date":"2023-09-11T10:22:42","date_gmt":"2023-09-11T02:22:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/128628\/"},"modified":"2023-09-11T10:22:43","modified_gmt":"2023-09-11T02:22:43","slug":"vai-tro-cua-bot-sieu-min-trong-vat-lieu-duc-chiu-lua","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/128628\/","title":{"rendered":"Vai tr\u00f2 c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn trong v\u1eadt li\u1ec7u \u0111\u00fac ch\u1ecbu l\u1eeda"},"content":{"rendered":"

\"\"<\/p>\n

Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn trong v\u1eadt li\u1ec7u \u0111\u00fac ch\u1ecbu l\u1eeda l\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1eb7c t\u00ednh l\u00e0m \u0111\u1ea7y v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1eb7c t\u00ednh k\u1ebft c\u1ea5u. H\u01a1n n\u1eefa, khi hi\u1ec7u su\u1ea5t d\u00f2ng ch\u1ea3y c\u1ee7a v\u1eadt \u0111\u00fac t\u0103ng l\u00ean, m\u1eadt \u0111\u1ed9 kh\u1ed1i c\u0169ng s\u1ebd t\u0103ng l\u00ean.<\/p>\n

Sau khi th\u00eam b\u1ed9t si\u00eau m\u1ecbn v\u00e0o v\u1eadt li\u1ec7u \u0111\u00fac ch\u1ecbu l\u1eeda, \u0111\u1ed9 x\u1ed1p bi\u1ec3u ki\u1ebfn gi\u1ea3m \u0111i trong khi \u0111\u1ed9 b\u1ec1n t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3. C\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t \u0111\u1ed9 cao kh\u00e1c c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u01b0\u01a1ng \u1ee9ng. Vai tr\u00f2 c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi ph\u1ee5 gia. Ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i b\u1ed9t v\u00e0 ph\u1ee5 gia si\u00eau m\u1ecbn v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang l\u01b0\u1ee3ng th\u00ec ch\u00fang m\u1edbi c\u00f3 th\u1ec3 ph\u00e1t huy t\u1ed1i \u0111a vai tr\u00f2 c\u1ee7a m\u00ecnh.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn r\u1ea5t ph\u1ee9c t\u1ea1p, v\u00ec c\u00e1c lo\u1ea1i b\u1ed9t si\u00eau m\u1ecbn kh\u00e1c nhau c\u00f3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau. Tuy nhi\u00ean, l\u01b0\u1ee3ng b\u1ed9t si\u00eau m\u1ecbn kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qu\u00e1 7%. N\u1ebfu v\u01b0\u1ee3t qu\u00e1 7%, s\u1ebd c\u00f3 qu\u00e1 \u0111\u1ee7 \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng. Ph\u1ea7n b\u1ed9t si\u00eau m\u1ecbn c\u00f2n l\u1ea1i s\u1ebd c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn, kh\u00f4ng \u0111\u1eb7c nh\u01b0ng s\u1ebd kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 l\u1ed7 ch\u00e2n l\u00f4ng. N\u1ebfu li\u1ec1u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t d\u01b0\u1edbi 5%, c\u00e1c kho\u1ea3ng tr\u1ed1ng trong v\u1eadt \u0111\u00fac s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y, l\u01b0\u1ee3ng n\u01b0\u1edbc ti\u00eau th\u1ee5 s\u1ebd l\u1edbn, m\u1eadt \u0111\u1ed9 th\u1ec3 t\u00edch nh\u1ecf v\u00e0 l\u1ed7 ch\u00e2n l\u00f4ng r\u00f5 r\u00e0ng s\u1ebd cao. V\u00ec v\u1eady, m\u1ee9c s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t l\u00e0 t\u1eeb 5-7%.<\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn l\u00e0 l\u00e0m \u0111\u1ea7y. M\u1eadt \u0111\u1ed9 kh\u1ed1i c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00fac ch\u1ecbu l\u1eeda truy\u1ec1n th\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn v\u00e0 nhi\u1ec1u l\u1ed7 r\u1ed7ng s\u1ebd b\u1ecb l\u1ea5p \u0111\u1ea7y b\u1edfi l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0 th\u1eeba. Sau khi n\u01b0\u1edbc \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, l\u1ed7 ch\u00e2n l\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea1i. Khi th\u00eam b\u1ed9t si\u00eau m\u1ecbn v\u00e0o, c\u00e1c l\u1ed7 ch\u00e2n l\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u1eb1ng b\u1ed9t si\u00eau m\u1ecbn. L\u00e0m \u0111\u1ea7y, m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf micropores ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch n\u00e0y, khi tr\u1ed9n v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1ebd gi\u1ea3m \u0111i. Sau khi \u0111\u00fac v\u00e0 th\u00e1o khu\u00f4n, n\u01b0\u1edbc s\u1ebd tho\u00e1t ra ngo\u00e0i, c\u00e1c l\u1ed7 r\u1ed7ng c\u00f2n l\u1ea1i s\u1ebd \u00edt \u0111i r\u1ea5t nhi\u1ec1u. N\u00f3i c\u00e1ch kh\u00e1c, vi\u1ec7c th\u00eam b\u1ed9t si\u00eau m\u1ecbn s\u1ebd l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng n\u01b0\u1edbc th\u00eam v\u00e0o, t\u0103ng m\u1eadt \u0111\u1ed9 kh\u1ed1i c\u1ee7a v\u1eadt \u0111\u00fac v\u00e0 gi\u1ea3m \u0111\u1ed9 x\u1ed1p.<\/p>\n

N\u00f3i t\u00f3m l\u1ea1i, hi\u1ec7u qu\u1ea3 l\u00e0m \u0111\u1ea7y c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn t\u1ed1t h\u01a1n so v\u1edbi b\u1ed9t silica<\/a> trong v\u1eadt li\u1ec7u \u0111\u00fac ch\u1ecbu l\u1eeda v\u00e0 li\u1ec1u l\u01b0\u1ee3ng c\u0169ng \u00edt h\u01a1n. Ho\u1ea1t t\u00ednh ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn a-Al2O3 t\u1ed1t h\u01a1n so v\u1edbi Sio2, do t\u1ef7 l\u1ec7 b\u1ed9t si\u00eau m\u1ecbn d\u01b0\u1edbi 1 \u03bcm chi\u1ebfm 96,5%, trong khi Sio2 ho\u1ea1t t\u00ednh ch\u1ec9 l\u00e0 69%. \u0110\u1ed9 m\u1ecbn, h\u00ecnh d\u1ea1ng v\u00e0 ho\u1ea1t t\u00ednh c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn m\u1ea1nh h\u01a1n kh\u00f3i silica<\/a> Sio2. .<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn r\u1ea5t ph\u1ee9c t\u1ea1p, v\u00ec c\u00e1c lo\u1ea1i b\u1ed9t si\u00eau m\u1ecbn kh\u00e1c nhau c\u00f3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau. Tuy nhi\u00ean, l\u01b0\u1ee3ng b\u1ed9t si\u00eau m\u1ecbn kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qu\u00e1 7%.<\/p>\n","protected":false},"author":7,"featured_media":128592,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-128628","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\/128628"}],"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=128628"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128628\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/128592"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=128628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=128628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=128628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}