{"id":15751,"date":"2024-01-30T12:13:03","date_gmt":"2024-01-30T12:13:03","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=15751"},"modified":"2024-01-30T12:13:07","modified_gmt":"2024-01-30T12:13:07","slug":"high-purity-quartz-sand-purification-the-most-difficult-to-get-rid-of-it-is-surprisingly","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/vi\/high-purity-quartz-sand-purification-the-most-difficult-to-get-rid-of-it-is-surprisingly\/","title":{"rendered":"L\u00e0m s\u1ea1ch c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, kh\u00f3 kh\u0103n nh\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u00f3 l\u00e0 \u0111\u00e1ng ng\u1ea1c nhi\u00ean!"},"content":{"rendered":"

Trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh tinh th\u1ec3 th\u1ea1ch anh, m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 s\u1ebd thay th\u1ebf silicon. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh c\u00e1c t\u1ea1p ch\u1ea5t c\u1ea5u tr\u00fac c\u1ee7a th\u1ea1ch anh. H\u00e0m l\u01b0\u1ee3ng c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y r\u1ea5t th\u1ea5p. R\u1ea5t kh\u00f3 \u0111\u1ec3 t\u00e1ch ch\u00fang ra kh\u1ecfi th\u1ea1ch anh. Ch\u00fang l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t h\u1ea1n ch\u1ebf ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n\n\n\n

Trong c\u00e1c t\u1ea1p ch\u1ea5t c\u1ea5u tr\u00fac th\u1ea1ch anh, h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t Al n\u00f3i chung l\u00e0 cao nh\u1ea5t. Do Al t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng Al3+ thay v\u00ec Si4+ g\u00e2y m\u1ea5t c\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u00edch trong m\u1ea1ng th\u1ea1ch anh n\u00ean khi t\u1ed3n t\u1ea1i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn t\u1ea1p ch\u1ea5t Al trong th\u1ea1ch anh th\u00ec h\u00e0m l\u01b0\u1ee3ng Li, K, Na v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t kh\u00e1c s\u1ebd t\u0103ng l\u00ean. Do \u0111\u00f3, h\u00e0m l\u01b0\u1ee3ng Al trong th\u1ea1ch anh t\u1ef1 nhi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean li\u1ec7u th\u1ea1ch anh th\u00f4.<\/p>\n\n\n\n

\"C\u00e1c
C\u00e1c d\u1ea1ng thay th\u1ebf m\u1ea1ng tinh th\u1ec3 trong tinh th\u1ec3 th\u1ea1ch anh<\/figcaption><\/figure>\n\n\n\n

Theo c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd hi\u1ec7n c\u00f3<\/a>, t\u1ea1p ch\u1ea5t m\u1ea1ng trong nguy\u00ean li\u1ec7u th\u1ea1ch anh kh\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf. M\u1eb7c d\u00f9 h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 Al \u1edf d\u1ea1ng t\u1ea1p ch\u1ea5t m\u1ea1ng r\u1ea5t th\u1ea5p nh\u01b0ng l\u1ea1i c\u1ef1c k\u1ef3 kh\u00f3 lo\u1ea1i b\u1ecf, \u0111\u00e2y l\u00e0 ch\u00eca kh\u00f3a quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng c\u1ee7a th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n\n\n\n

Trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh tinh ch\u1ebf, sau khi rang v\u00e0 l\u00e0m ngu\u1ed9i, t\u00e1ch t\u1eeb t\u00ednh, qu\u00e1 tr\u00ecnh l\u1ecdc axit, c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t th\u1ea1ch anh Fe, Cr, Ni, Na, K, Ca, Mg, Cu, v.v. c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m \u0111i r\u1ea5t nhi\u1ec1u. Tuy nhi\u00ean, sau m\u1ed9t lo\u1ea1t qu\u00e1 tr\u00ecnh tinh ch\u1ebf, hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf Al b\u1ecb h\u1ea1n ch\u1ebf, ch\u1ee7 y\u1ebfu l\u00e0 do Al3+ \u0111i v\u00e0o m\u1ea1ng tinh th\u1ec3 \u0111\u1ec3 thay th\u1ebf Si4+ v\u00e0 b\u00e1n k\u00ednh ion t\u01b0\u01a1ng \u0111\u1ed1i g\u1ea7n v\u1edbi th\u1ea1ch anh n\u00ean kh\u00f4ng d\u1ec5 l\u00e0m s\u1ea1ch.<\/p>\n\n\n\n

T\u01b0\u01a1ng t\u1ef1, Ti4+, B3+, P3+ v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t kh\u00e1c. C\u00f3 th\u1ec3 th\u1ea5y, c\u00e1c t\u1ea1p ch\u1ea5t trong th\u1ea1ch anh t\u1ef1 nhi\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a t\u1ea1p ch\u1ea5t \u1edf tr\u1ea1ng th\u00e1i \u0111\u1ed3ng nh\u1ea5t, tr\u1ef1c ti\u1ebfp h\u1ea1n ch\u1ebf vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao khi qu\u1eb7ng g\u1ed1c Al, Ti, Li, B, P v\u00e0 c\u00e1c lo\u1ea1i kh\u00e1c c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t c\u00f3 h\u00e0m l\u01b0\u1ee3ng cao, kh\u00f4ng d\u1ec5 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n\n\n\n

V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 th\u1ea1ch anh \u1edf khu v\u1ef1c Na Uy, m\u1eb7c d\u00f9 c\u00f3 li\u00ean k\u1ebft v\u1edbi nhi\u1ec1u lo\u1ea1i kho\u00e1ng v\u1eadt nh\u01b0 \u0111\u00e1 phi\u1ebfn xanh, nh\u01b0ng c\u00f3 \u00edt t\u1ea1p ch\u1ea5t d\u1ea1ng m\u1ea1ng v\u00e0 ch\u1ee9a \u00edt th\u1ec3 v\u00f9i ch\u1ea5t l\u1ecfng. Ch\u00fang \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 ti\u1ec1m n\u0103ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00e0nh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 pegmatit \u1edf khu v\u1ef1c Sierra de Comechigones (Argentina), m\u1eb7c d\u00f9 h\u00e0m l\u01b0\u1ee3ng SiO2 cao nh\u01b0ng r\u1ea5t kh\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00e0nh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00ec m\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t m\u1ea1ng cao trong th\u1ea1ch anh h\u1ea1t m\u1ecbn h\u01a1n.<\/p>\n\n\n\n

T\u1ea1p ch\u1ea5t m\u1ea1ng, y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t h\u1ea1n ch\u1ebf ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/h2>\n\n\n\n

C\u00e1c t\u1ea1p ch\u1ea5t m\u1ea1ng trong n\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft (Al3+, Ti4+)-O l\u1edbn h\u01a1n, Al, Ti thay v\u00ec Si trong m\u1ea1ng th\u1ea1ch anh \u0111\u1ec3 t\u1ea1o th\u00e0nh [AlO4], [TiO4] m\u1edbi, l\u00e0 nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t m\u1ea1ng th\u1ea1ch anh kh\u00f3 lo\u1ea1i b\u1ecf nh\u1ea5t .<\/p>\n\n\n\n

C\u00e1c t\u1ea1p ch\u1ea5t trong c\u1ea5u tr\u00fac m\u1ea1ng tinh th\u1ec3 l\u00e0 n\u00fat th\u1eaft cu\u1ed1i c\u00f9ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, kh\u00f3 v\u01b0\u1ee3t qua. \u0110\u1ec3 ch\u1ecdn \u0111\u00fang nguy\u00ean li\u1ec7u th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 ph\u00e1t tri\u1ec3n ch\u01b0\u01a1ng tr\u00ecnh tinh ch\u1ebf th\u1ea1ch anh t\u1ed1t nh\u1ea5t, c\u1ea7n l\u00e0m r\u00f5 tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t trong th\u1ea1ch anh.<\/p>\n\n\n\n

Vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t \u1edf tr\u1ea1ng th\u00e1i hi\u1ec7n nay b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh:<\/h3>\n\n\n\n

(1) Ph\u00e2n t\u00edch s\u00e0ng l\u1ecdc d\u1eef li\u1ec7u nhi\u1ec5u x\u1ea1 tia X;
(2) Ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh qu\u00e9t b\u1ec1 m\u1eb7t LA-ICP-MS;
(3) Ph\u00e2n t\u00edch quang ph\u1ed5 h\u1ea5p th\u1ee5 h\u1ed3ng ngo\u1ea1i;
(4) \u0110\u1ea7u d\u00f2 \u0111i\u1ec7n t\u1eed v\u00e0 ph\u00e2n t\u00edch ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng;
(5) \u0110\u1eb7c t\u00ednh ph\u00e1t quang \u00e2m c\u1ef1c.<\/p>\n\n\n\n

Hi\u1ec7n nay, qu\u00e1 tr\u00ecnh rang clo l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t kh\u1ecfi m\u1ea1ng tinh th\u1ec3 th\u1ea1ch anh. Qu\u00e1 tr\u00ecnh rang clo h\u00f3a \u1edf d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a th\u1ea1ch anh, v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea1p ch\u1ea5t th\u1ea1ch anh v\u00e0 ch\u1ea5t clo \u0111\u00f3ng vai tr\u00f2 t\u1ea1o ra clorua v\u00e0 th\u1ea1ch anh d\u1ec5 bay h\u01a1i trong qu\u00e1 tr\u00ecnh rang clo h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u00f3 s\u1ef1 chuy\u1ec3n ti\u1ebfp tinh th\u1ec3 sao cho c\u00e1c ion kim lo\u1ea1i trong m\u1ea1ng th\u1ea1ch anh nh\u01b0 Al3+, Ti4+, v.v. c\u00f3 th\u1ec3 di chuy\u1ec3n v\u00e0 khu\u1ebfch t\u00e1n l\u00ean b\u1ec1 m\u1eb7t th\u1ea1ch anh. Hcl, NH4Cl v\u00e0 Cl2, v.v., tr\u1edf th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n d\u1ec5 bay h\u01a1i \u0111\u1ec3 t\u00e1ch th\u1ea1ch anh, nh\u01b0ng c\u0169ng \u0111\u1ec3 ng\u0103n c\u00e1c ph\u1ea7n t\u1eed t\u1ea1p ch\u1ea5t di chuy\u1ec3n v\u00e0 khu\u1ebfch t\u00e1n \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t m\u1ea1ng th\u1ea1ch anh, v\u00e0 sau \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t hi\u1ec7u qu\u1ea3 h\u01a1n . Vi\u1ec7c t\u00e1ch th\u1ea1ch anh c\u00f2n ng\u0103n ng\u1eeba c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i sau \u0111\u00f3 di chuy\u1ec3n v\u00e0 khu\u1ebfch t\u00e1n v\u00e0o m\u1ea1ng th\u1ea1ch anh.<\/p>","protected":false},"excerpt":{"rendered":"

Trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh tinh th\u1ec3 th\u1ea1ch anh, m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 s\u1ebd thay th\u1ebf silicon. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh c\u00e1c t\u1ea1p ch\u1ea5t c\u1ea5u tr\u00fac c\u1ee7a th\u1ea1ch anh. H\u00e0m l\u01b0\u1ee3ng c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y r\u1ea5t th\u1ea5p. Th\u1eadt kh\u00f3 \u0111\u1ec3 [\u2026]<\/p>","protected":false},"author":1,"featured_media":15753,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"class_list":["post-15751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"\nHigh purity quartz sand purification, the most difficult to get rid of it is surprisingly! - Silica powder (ultrafine quartz powder) processing expert<\/title>\n<meta name=\"description\" content=\"During the formation of quartz crystals, some elements will replace silicon. This forms the structural impurities of quartz.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.quartz-grinding.com\/vi\/high-purity-quartz-sand-purification-the-most-difficult-to-get-rid-of-it-is-surprisingly\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High purity quartz sand purification, the most difficult to get rid of it is surprisingly! - Silica powder (ultrafine quartz powder) processing expert\" \/>\n<meta property=\"og:description\" content=\"During the formation of quartz crystals, some elements will replace silicon. 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