{"id":116863,"date":"2022-06-06T10:00:03","date_gmt":"2022-06-06T02:00:03","guid":{"rendered":"https:\/\/www.alpapowder.com\/116863\/"},"modified":"2022-06-06T15:22:04","modified_gmt":"2022-06-06T07:22:04","slug":"ba-quy-trinh-dien-hinh-va-cac-doi-tuong-ap-dung-cua-sua-doi-be-mat-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/116863\/","title":{"rendered":"Ba quy tr\u00ecnh \u0111i\u1ec3n h\u00ecnh v\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u00e1p d\u1ee5ng c\u1ee7a s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t"},"content":{"rendered":"

\"\"<\/p>\n

Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t thay \u0111\u1ed5i t\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t, thi\u1ebft b\u1ecb v\u00e0 ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb b\u1ed9t. Hi\u1ec7n nay, c\u00e1c quy tr\u00ecnh bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00f4ng nghi\u1ec7p ch\u1ee7 y\u1ebfu bao g\u1ed3m ba lo\u1ea1i: quy tr\u00ecnh kh\u00f4, quy tr\u00ecnh \u01b0\u1edbt v\u00e0 quy tr\u00ecnh composite.<\/p>\n

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Quy tr\u00ecnh kh\u00f4<\/p>\n

\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t kho\u00e1ng phi kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Hi\u1ec7n t\u1ea1i \u0111\u1ed1i v\u1edbi ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t m\u00e0u kho\u00e1ng phi kim lo\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 canxi cacbonat xay v\u00e0 canxi cacbonat nh\u1eb9, cao lanh v\u00e0 cao lanh nung, b\u1ed9t talc, wollastonite, b\u1ed9t silica<\/a>, h\u1ea1t th\u1ee7y tinh, nh\u00f4m hydroxit v\u00e0 oxit magi\u00ea nh\u1eb9, \u0111\u1ea5t s\u00e9t, b\u1ed9t m\u00e0u g\u1ed1m, v.v. s\u1eed d\u1ee5ng quy tr\u00ecnh s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t kh\u00f4. Nguy\u00ean nh\u00e2n l\u00e0 do quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n kh\u00f4 khan, v\u1eadn h\u00e0nh linh ho\u1ea1t, \u00edt \u0111\u1ea7u t\u01b0 v\u00e0 kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng t\u1ed1t c\u1ee7a c\u00e1c b\u1ed5 ng\u1eef.<\/p>\n

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Quy tr\u00ecnh \u01b0\u1edbt<\/p>\n

So v\u1edbi quy tr\u00ecnh kh\u00f4, quy tr\u00ecnh n\u00e0y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 ph\u00e2n t\u00e1n t\u1ed1t ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t v\u00e0 l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t \u0111\u1ed3ng \u0111\u1ec1u, nh\u01b0ng \u0111\u00f2i h\u1ecfi c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u1eed n\u01b0\u1edbc (l\u1ecdc v\u00e0 l\u00e0m kh\u00f4) ti\u1ebfp theo. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 d\u1ec5 tan trong n\u01b0\u1edbc ho\u1eb7c th\u1ee7y ph\u00e2n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trong \u0111\u00f3 giai \u0111o\u1ea1n tr\u01b0\u1edbc l\u00e0 xay \u01b0\u1edbt (bao g\u1ed3m nghi\u1ec1n si\u00eau m\u1ecbn c\u01a1 h\u1ecdc \u01b0\u1edbt v\u00e0 nghi\u1ec1n h\u00f3a h\u1ecdc) v\u00e0 giai \u0111o\u1ea1n sau c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m kh\u00f4, ch\u1eb3ng h\u1ea1n nh\u01b0 canxi cacbonat nh\u1eb9 (\u0111\u1eb7c bi\u1ec7t l\u00e0 bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a nano canxi cacbonat), canxi cacbonat n\u1eb7ng nghi\u1ec1n m\u1ecbn \u01b0\u1edbt, hydroxit nh\u00f4m si\u00eau m\u1ecbn v\u00e0 magie hydroxit, silica<\/a> si\u00eau m\u1ecbn, v.v., \u0111i\u1ec1u n\u00e0y l\u00e0 do b\u00f9n \u0111\u01b0\u1ee3c t\u1ea1o ra sau ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc kh\u00f4ng b\u1ecb \u01b0\u1edbt. c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c l\u1ecdc v\u00e0 l\u00e0m kh\u00f4, v\u00e0 vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi l\u1ecdc v\u00e0 l\u00e0m kh\u00f4, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 ng\u0103n v\u1eadt li\u1ec7u h\u00ecnh th\u00e0nh k\u1ebft t\u1ee5 c\u1ee9ng sau khi l\u00e0m kh\u00f4 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a n\u00f3.<\/p>\n

Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 k\u1ebft t\u1ee7a v\u00f4 c\u01a1 c\u0169ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i \u01b0\u1edbt. N\u00f3 bao g\u1ed3m c\u00e1c qu\u00e1 tr\u00ecnh ho\u1eb7c qu\u00e1 tr\u00ecnh nh\u01b0 nghi\u1ec1n b\u1ed9t, th\u1ee7y ph\u00e2n, ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a v\u00e0 r\u1eeda, kh\u1eed n\u01b0\u1edbc, nung ho\u1eb7c rang ti\u1ebfp theo.<\/p>\n

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Quy tr\u00ecnh t\u1ed5ng h\u1ee3p<\/p>\n

Quy tr\u00ecnh s\u1eeda \u0111\u1ed5i h\u1ee3p ch\u1ea5t ph\u1ee7 c\u01a1 h\u1ecdc \/ h\u00f3a h\u1ecdc<\/p>\n

Qu\u00e1 tr\u00ecnh b\u1ed5 sung ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh t\u00e1c \u0111\u1ed9ng l\u1ef1c c\u01a1 h\u1ecdc ho\u1eb7c nghi\u1ec1n m\u1ecbn v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn, \u0111\u1ed3ng th\u1eddi ph\u1ee7 h\u00f3a ch\u1ea5t l\u00ean b\u1ec1 m\u1eb7t h\u1ea1t \u0111\u1ed3ng th\u1eddi gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t composite n\u00e0y l\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh, v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u0169ng c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 ch\u1ea5t tr\u1ee3 m\u00e0i nh\u1ea5t \u0111\u1ecbnh, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 nghi\u1ec1n th\u00e0nh b\u1ed9t \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng d\u1ec5 ki\u1ec3m so\u00e1t; Ngo\u00e0i ra, do c\u00e1c h\u1ea1t li\u00ean t\u1ee5c b\u1ecb nghi\u1ec1n n\u00e1t trong qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i, n\u00ean c\u00e1c b\u1ec1 m\u1eb7t m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 l\u1edbp ph\u1ee7 c\u1ee7a h\u1ea1t kh\u00f3 \u0111\u1ed3ng nh\u1ea5t. Ph\u01b0\u01a1ng ph\u00e1p b\u1ed5 sung c\u1ee7a ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 cao Ngo\u00e0i ra, n\u1ebfu s\u1ef1 t\u1ea3n nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00f4ng t\u1ed1t, s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee5c b\u1ed9 qu\u00e1 m\u1ee9c trong qu\u00e1 tr\u00ecnh t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u01a1 h\u1ecdc m\u1ea1nh c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y m\u1ed9t ph\u1ea7n c\u1ee7a ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t ho\u1eb7c ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac ph\u00e2n t\u1eed.<\/p>\n

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Ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a v\u00f4 c\u01a1 \/ qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i h\u1ed7n h\u1ee3p ph\u1ee7 h\u00f3a h\u1ecdc<\/p>\n

Sau khi s\u1eeda \u0111\u1ed5i ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a, qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i h\u1ed7n h\u1ee3p v\u00f4 c\u01a1 \/ h\u1eefu c\u01a1. Qu\u00e1 tr\u00ecnh bi\u1ebfn t\u00ednh h\u1ed7n h\u1ee3p n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a composite titan dioxit, ngh\u0129a l\u00e0, tr\u00ean c\u01a1 s\u1edf k\u1ebft t\u1ee7a v\u00e0 ph\u1ee7 m\u00e0ng SiO2 ho\u1eb7c Al2O3, TiO2 \/ SiO2 ho\u1eb7c Al2O3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng titanat, silan v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 kh\u00e1c. B\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t composite \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i b\u1edfi l\u1edbp ph\u1ee7 h\u1eefu c\u01a1.<\/p>\n

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Quy tr\u00ecnh s\u1eeda \u0111\u1ed5i h\u1ed7n h\u1ee3p ph\u1ee7 v\u1eadt l\u00fd \/ h\u00f3a h\u1ecdc<\/p>\n

Qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc h\u1eefu c\u01a1 c\u1ee7a b\u1ec1 m\u1eb7t sau khi ph\u1ee7 v\u1eadt l\u00fd c\u1ee7a c\u00e1c h\u1ea1t, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1edbp ph\u1ee7 ho\u1eb7c l\u1edbp ph\u1ee7 kim lo\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"

Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t thay \u0111\u1ed5i t\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t, thi\u1ebft b\u1ecb v\u00e0 ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb b\u1ed9t.<\/p>\n","protected":false},"author":7,"featured_media":116838,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-116863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/116863","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=116863"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/116863\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/116838"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=116863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=116863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=116863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}