{"id":114054,"date":"2021-11-17T17:25:34","date_gmt":"2021-11-17T09:25:34","guid":{"rendered":"https:\/\/www.alpapowder.com\/114054\/"},"modified":"2021-11-17T17:25:34","modified_gmt":"2021-11-17T09:25:34","slug":"che-bien-va-ung-dung-thach-anh-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/114054\/","title":{"rendered":"Ch\u1ebf bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng th\u1ea1ch anh b\u1ed9t"},"content":{"rendered":"<p>Th\u1ea1ch anh \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb m\u1ecf \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn nh\u1ecf h\u01a1n 120 l\u01b0\u1edbi tr\u1edf th\u00e0nh c\u00e1t th\u1ea1ch anh, v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn tr\u00ean 120 l\u01b0\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9t th\u1ea1ch anh. Kh\u00f4ng c\u1ea7n m\u00e0i c\u01a1 h\u1ecdc \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ea1ch anh d\u1ea1ng b\u1ed9t, kh\u00e1c v\u1edbi th\u1ea1ch anh d\u1ea1ng m\u1ea1ch v\u00e0 th\u1ea1ch anh.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-114003 size-full\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic.jpg\" alt=\"\" width=\"1000\" height=\"800\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic.jpg 1000w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic-300x240.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic-768x614.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h4>C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t<\/h4>\n<ul>\n<li><strong>H\u00ecnh th\u00e1i h\u1ea1t v\u00e0 th\u00e0nh ph\u1ea7n k\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong><\/li>\n<\/ul>\n<p>D\u1ea1ng h\u1ea1t th\u1ea1ch anh d\u1ea1ng b\u1ed9t: d\u1ea1ng kh\u1ed1i \u0111a di\u1ec7n l\u1ee5c gi\u00e1c g\u1ea7n \u0111\u1ec1u. Do t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh phong h\u00f3a v\u00e0 r\u1eeda tr\u00f4i, tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh c\u00e1c h\u1ed1 h\u00f2a tan v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. S\u1ef1 th\u1ee5 \u0111\u1ed9ng \u0103n m\u00f2n l\u00e0m cho c\u00e1c h\u1ea1t c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 c\u1ea7u cao (ba tr\u1ee5c g\u1ea7n b\u1eb1ng nhau) v\u00e0 \u0111\u1ed9 tr\u00f2n th\u1ea5p (c\u00f3 c\u1ea1nh), ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ea1t &#8220;b\u00e1n c\u1ea7u&#8221;.<\/p>\n<p>S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i h\u1eb9p. K\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m 400 mesh \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 trong kho\u1ea3ng 5-20\u03bcm, h\u00e0m l\u01b0\u1ee3ng l\u1edbn h\u01a1n 70%, k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh kho\u1ea3ng 14\u03bcm, v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t b\u00ecnh th\u01b0\u1eddng.<\/p>\n<ul>\n<li><strong>Th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/strong><\/li>\n<\/ul>\n<p>Th\u00e0nh ph\u1ea7n th\u1ea1ch anh d\u1ea1ng b\u1ed9t: th\u1ea1ch anh vi tinh th\u1ec3, m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf t\u1ea1p ch\u1ea5t nh\u01b0 cao lanh, mica v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n th\u1ef1c v\u1eadt.<br \/>\nTh\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t:SiO<sub>2<\/sub>, Fe<sub>2<\/sub>O<sub>3<\/sub>, Al<sub>2<\/sub>O<sub>3<\/sub>, CaO, MgO, K<sub>2<\/sub>O, Na<sub>2<\/sub>O, TiO<sub>2<\/sub>, v.v &#8230;; k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch quang ph\u1ed5 cho th\u1ea5y th\u1ea1ch anh d\u1ea1ng b\u1ed9t kh\u00f4ng ch\u1ee9a Cu, Mn v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ed9c h\u1ea1i, c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng kh\u00e1c g\u1ea7n b\u1eb1ng ho\u1eb7c d\u01b0\u1edbi gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n.<\/p>\n<ul>\n<li><strong>T\u00ednh ch\u1ea5t h\u00f3a l\u00fd<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t th\u1ea1ch anh: B\u1ed9t m\u00e0u tr\u1eafng, tr\u1eafng nh\u1eb9, Baidu l\u00e0 50% ~ 75%, \u0111\u1ed9 s\u00e1ng 60% ~ 80%; B\u1ed9t kh\u00f4 c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, kh\u00f4ng b\u1ecb v\u00f3n c\u1ee5c, s\u1edd tay v\u00e0o c\u00f3 c\u1ea3m gi\u00e1c m\u1ecbn v\u00e0 m\u01b0\u1ee3t. M\u1eadt \u0111\u1ed9: 2,55 ~ 2,65g \/ cm3, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 1,96g \/ ml, th\u1ec3 t\u00edch c\u1eb7n 0,6 ~ 0,9mg \/ g, \u0111\u1ed9 c\u1ee9ng Mohs 7, chi\u1ebft su\u1ea5t 1,544.<br \/>\nGi\u00e1 tr\u1ecb PH l\u00e0 6,3, \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n l\u00e0 gi\u00e1 tr\u1ecb PH t\u1eeb 2 ~ 3,7, v\u00e0 b\u1ec1 m\u1eb7t t\u00edch \u0111i\u1ec7n \u00e2m trong dung d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb PH&gt; 3,7; nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t l\u00e0 573 \u2103, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0 1730 \u2103, v\u00e0 n\u00f3 c\u00f3 \u0111\u1eb7c t\u00ednh c\u00e1ch \u0111i\u1ec7n v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi. T\u00ednh tr\u01a1 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n axit t\u1ed1t.<\/p>\n<h4>C\u01a1 ch\u1ebf kho\u00e1ng h\u00f3a c\u1ee7a th\u1ea1ch anh m\u1ecbn<\/h4>\n<ul>\n<li><strong>\u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecba ch\u1ea5t c\u1ee7a m\u1ecf<\/strong><\/li>\n<\/ul>\n<p>N\u00f3 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 tr\u1ea7m t\u00edch v\u00e0 tr\u1ea7m t\u00edch phong h\u00f3a. Th\u00e2n qu\u1eb7ng c\u00f3 h\u00ecnh d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c m\u1ecf khuy\u1ebft t\u1eadt do phong h\u00f3a n\u00f3i chung. Th\u00e2n qu\u1eb7ng \u0111\u01a1n gi\u1ea3n &#8220;h\u00ecnh m\u0169&#8221;, x\u1ebfp l\u1edbp, nhi\u1ec1u l\u1edbp ho\u1eb7c d\u1ea1ng \u0111ai.<\/p>\n<ul>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t kho\u00e1ng h\u00f3a<\/strong><\/li>\n<\/ul>\n<p>H\u1ea7u h\u1ebft c\u00e1c tr\u1ea7m t\u00edch t\u1ed3n t\u1ea1i trong c\u00e1c \u0111\u1ecba t\u1ea7ng Devon, Cacbon v\u00e0 Permi thu\u1ed9c \u0110\u1ea1i C\u1ed5 sinh. Vi\u1ec7c t\u1ea1o ra qu\u1eb7ng th\u1ea1ch anh m\u1ecbn c\u00f3 li\u00ean quan \u0111\u1ebfn quy \u0111\u1ecbnh c\u1ee7a s\u1ef1 h\u00ecnh th\u00e0nh \u0111\u00e1 cacbonat, c\u0169ng nh\u01b0 b\u1ed9t k\u1ebft v\u00e0 th\u1ea1ch anh c\u00f3 h\u00e0m l\u01b0\u1ee3ng v\u00f4i cao. Th\u1ea1ch anh m\u1ecbn l\u00e0 d\u1ea1ng tr\u1ea7m t\u00edch l\u1edbp v\u1ecf phong h\u00f3a, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do c\u00e1c b\u01b0\u1edbc phong h\u00f3a c\u1ee7a \u0111\u00e1 m\u1eb9.<\/p>\n<h4>\u0110\u1eb7c t\u00ednh v\u00e0 s\u1eeda \u0111\u1ed5i th\u1ea1ch anh d\u1ea1ng b\u1ed9t<\/h4>\n<p>B\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t c\u00f3 c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t do c\u00e1c li\u00ean k\u1ebft treo l\u01a1 l\u1eedng, ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;v\u1ecb tr\u00ed b\u1ec1 m\u1eb7t&#8221;.<\/p>\n<p>Hi\u1ec7u \u1ee9ng giao di\u1ec7n kho\u00e1ng-n\u01b0\u1edbc: t\u0103ng tr\u01b0\u1edfng v\u00e0 h\u00f2a tan tinh th\u1ec3 b\u1ec1 m\u1eb7t, k\u1ebft t\u1ee7a b\u1ec1 m\u1eb7t v\u00e0 ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t. C\u00e1c ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t kho\u00e1ng: ph\u1ea3n \u1ee9ng h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t, ph\u1ea3n \u1ee9ng oxy h\u00f3a-kh\u1eed v\u00e0 x\u00fac t\u00e1c ngo\u1ea1i v\u1ecb. C\u00e1c ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a b\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng ch\u1ea5t th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t nh\u01b0 th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t, c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ecba h\u00ecnh vi m\u00f4.<\/p>\n<p>Bi\u1ebfn t\u00ednh th\u1ea1ch anh d\u1ea1ng b\u1ed9t: thay \u0111\u1ed5i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u1ea5t \u0111\u1ed9n v\u1edbi c\u00e1c polyme h\u1eefu c\u01a1, gi\u1ea3m \u0111\u1ed9 nh\u1edbt c\u1ee7a h\u1ec7 h\u1ed7n h\u1ee3p ch\u1ea5t \u0111\u1ed9n-polymer, t\u0103ng ch\u1ea5t \u0111\u1ed9n, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea9m th\u1ea5u v\u00e0 ph\u00e2n t\u00e1n c\u1ee7a ch\u1ea5t \u0111\u1ed9n trong polyme, lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc, c\u1ea3i thi\u1ec7n s\u1ea3n ph\u1ea9m T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh th\u1ea1ch anh d\u1ea1ng b\u1ed9t: ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt. Qu\u00e1 tr\u00ecnh \u01b0\u1edbt ph\u1ee9c t\u1ea1p, chi ph\u00ed cao v\u00e0 \u00edt \u0111\u01b0\u1ee3c c\u00f4ng nghi\u1ec7p h\u00f3a. Qu\u00e1 tr\u00ecnh bi\u1ebfn t\u00ednh: th\u1ea1ch anh d\u1ea1ng b\u1ed9t \u2192 l\u00e0m n\u00f3ng v\u00e0 khu\u1ea5y s\u01a1 b\u1ed9 \u2192 (chu\u1ea9n b\u1ecb ch\u1ea5t tr\u1ee3 s\u1eeda \u0111\u1ed5i \u2192) ch\u1ea5t tr\u1ee3 bi\u1ebfn t\u00ednh \u2192 gia nhi\u1ec7t v\u00e0 l\u00e0m kh\u00f4 \u2192 (chu\u1ea9n b\u1ecb ch\u1ea5t k\u1ebft n\u1ed1i \u2192) ch\u1ea5t k\u1ebft n\u1ed1i silan \u2192 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t \u2192 s\u00e0ng l\u1ecdc v\u00e0 ph\u00e2n h\u1ee7y \u2192 s\u1eeda \u0111\u1ed5i Th\u1ea1ch anh h\u1ed3ng<\/p>\n<h4>Ch\u1ebf bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng th\u1ea1ch anh b\u1ed9t<\/h4>\n<p>Th\u1ea1ch anh d\u1ea1ng b\u1ed9t t\u1ef1 nhi\u00ean th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 \u00edt t\u1ea1p ch\u1ea5t, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n m\u00e0i. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u silic t\u1ef1 nhi\u00ean d\u1ea1ng b\u1ed9t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1ch \u0111i\u1ec7n, ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, \u0111\u00fac \u0111\u1ea7u t\u01b0 ch\u00ednh x\u00e1c v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng m\u1edbi. Th\u1ea1ch anh d\u1ea1ng b\u1ed9t c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho nh\u1ef1a epoxy trong cao su, ch\u1ea5t d\u1ebbo v\u00e0 b\u1ed9t m\u00e0u m\u1edf r\u1ed9ng s\u01a1n.<\/p>\n<p>Th\u1ea1ch anh d\u1ea1ng b\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p m\u00e0i m\u00f2n, c\u00f4ng nghi\u1ec7p th\u1ee7y tinh, c\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9, c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t s\u01a1n, c\u00f4ng nghi\u1ec7p cao su v\u00e0 nh\u1ef1a, c\u00f4ng nghi\u1ec7p s\u01a1n ph\u1ee7, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t canxi silicat vi x\u1ed1p, v.v.<\/p>\n<p>Trong c\u00f4ng nghi\u1ec7p m\u00e0i m\u00f2n, h\u1ea1t m\u00e0i <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u m\u00e0i m\u00f2n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u00e1c chi ti\u1ebft ch\u00ednh x\u00e1c trong ng\u00e0nh m\u00e1y m\u00f3c. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ch\u00e0 nh\u00e1m v\u00e0 l\u00e0m m\u1edd v\u00e0 m\u00e0i tr\u1ef1c ti\u1ebfp c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed ho\u00e0n thi\u1ec7n cao kh\u00e1c nhau.<\/p>\n<p>Trong c\u00f4ng nghi\u1ec7p th\u1ee7y tinh, k\u00ednh ph\u1eb3ng th\u00f4ng th\u01b0\u1eddng y\u00eau c\u1ea7u h\u00e0m l\u01b0\u1ee3ng SiO<sub>2 <\/sub>h\u01a1n 96%. H\u00e0m l\u01b0\u1ee3ng SiO<sub>2 <\/sub>c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t sau khi kh\u1eed c\u1eb7n c\u00f3 th\u1ec3 \u0111\u1ea1t 98%. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh ph\u1eb3ng ch\u1ec9 b\u1eb1ng c\u00e1ch s\u00e0ng v\u00e0 lo\u1ea1i b\u1ecf b\u1ed9t m\u1ecbn.<\/p>\n<p>Trong c\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9, s\u01a1n v\u00e0 c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c ph\u1ea9m, cao su v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1ef1a, c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh d\u1ea1ng b\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp sau qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 ph\u00e2n lo\u1ea1i th\u1ee5 h\u01b0\u1edfng. Th\u1ea1ch anh b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho g\u1ed1m s\u1ee9 th\u00f4ng th\u01b0\u1eddng y\u00eau c\u1ea7u ph\u1ea3i tr\u00ean 98,5%, v\u00e0 th\u1ea1ch anh b\u1ed9t sau khi n\u1ea5u ch\u1ea3y h\u1ea7u nh\u01b0 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u n\u00e0y. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m s\u1eed d\u1ee5ng th\u1ea1ch anh d\u1ea1ng b\u1ed9t l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m s\u1eed d\u1ee5ng th\u1ea1ch anh c\u00f3 v\u00e2n l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 c\u00e1ch nhi\u1ec7t c\u1ee7a g\u1ed1m s\u1ee9, c\u0169ng nh\u01b0 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u01a1n. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m cho cao su t\u1ed5ng h\u1ee3p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m cao.<\/p>\n<p>Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c l\u1edbp ph\u1ee7, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c s\u1eed d\u1ee5ng th\u1ea1ch anh b\u1ed9t bi\u1ebfn t\u00ednh trong l\u1edbp ph\u1ee7 ch\u1ed1ng radon \u0111\u1ec3 thay th\u1ebf canxi n\u1eb7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 ch\u1ed1ng radon truy\u1ec1n th\u1ed1ng, gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t l\u1edbp ph\u1ee7 v\u00e0 t\u0103ng gi\u00e1 tr\u1ecb gia t\u0103ng c\u00f4ng nghi\u1ec7p c\u1ee7a th\u1ea1ch anh b\u1ed9t.<\/p>\n<h4><img decoding=\"async\" class=\"wp-image-114016 size-full\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-en.jpg\" alt=\"\" width=\"1350\" height=\"217\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-en.jpg 1350w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-en-300x48.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-en-1024x165.jpg 1024w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-en-768x123.jpg 768w\" sizes=\"(max-width: 1350px) 100vw, 1350px\" \/><\/h4>\n<p>Qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb l\u1edbp ph\u1ee7 ch\u1ed1ng radon<\/p>\n<p>Th\u1ea1ch anh d\u1ea1ng b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda \u0111\u1ec3 s\u1ea3n xu\u1ea5t g\u1ea1ch <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> m\u1eadt \u0111\u1ed9 cao v\u00e0 b\u00f9n ch\u1ecbu l\u1eeda quy \u0111\u1ecbnh. Qu\u1eb7ng th\u00f4 c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 ph\u00e2n b\u1ed1 c\u1ee1 h\u1ea1t r\u1ed9ng v\u00e0 h\u00e0m l\u01b0\u1ee3ng silic v\u00e0 alumin th\u1ea5p. N\u00f3 l\u00e0 m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 l\u00fd t\u01b0\u1edfng cho g\u1ea1ch <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> m\u1eadt \u0111\u1ed9 cao. \u0110i\u1ec3m h\u00f3a m\u1ec1m cao t\u1edbi 170 \u00b0 C, th\u00edch h\u1ee3p cho c\u00e1c l\u00f2 nung th\u1ee7y tinh c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao h\u01a1n. \u0110\u1ea5t s\u00e9t ch\u1ecbu l\u1eeda silic pha tr\u1ed9n v\u1edbi th\u1ea1ch anh d\u1ea1ng b\u1ed9t c\u00f3 \u0111\u1ed9 b\u1ec1n nhi\u1ec7t cao, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t x\u00e2y c\u1ee7a g\u1ea1ch <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a>, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a th\u00e2n l\u00f2 v\u00e0 gi\u1ea3m chi ph\u00ed x\u00e2y.<\/p>\n<p>\u0110\u00fac ch\u00ednh x\u00e1c c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac \u0111\u1ea7u t\u01b0. Th\u1ea1ch anh d\u1ea1ng b\u1ed9t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ea7u t\u01b0. L\u1edbp ph\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1eeb natri silicat, ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, n\u01b0\u1edbc v\u00e0 th\u1ea1ch anh d\u1ea1ng b\u1ed9t. Th\u1ea1ch anh b\u1ed9t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda trong \u0111\u1ea7u t\u01b0 s\u01a1n ph\u1ee7 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00f3ng c\u1ee7a b\u1ec1 m\u1eb7t v\u1eadt \u0111\u00fac. V\u00ec v\u1eady, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a th\u1ea1ch anh d\u1ea1ng b\u1ed9t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u1eadt \u0111\u00fac v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a v\u1eadt \u0111\u00fac.<\/p>\n<p>V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t canxi silicat vi x\u1ed1p ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u1ea3n \u1ee9ng t\u1ea1o gel th\u1ee7y nhi\u1ec7t c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 silic v\u00e0 b\u00f9n v\u00f4i. N\u00f3 c\u00f3 m\u1eadt \u0111\u1ed9 kh\u1ed1i nh\u1eb9, \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p, nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng cao, t\u1ed5n th\u1ea5t nhi\u1ec7t th\u1ea5p &#8230; N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n, d\u1ea7u kh\u00ed, \u0111\u1ea5t h\u00f3a ch\u1ea5t, c\u00f4ng nghi\u1ec7p nh\u1eb9, x\u00e2y d\u1ef1ng v\u00e0 luy\u1ec7n kim v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. Nguy\u00ean li\u1ec7u th\u00f4 th\u01b0\u1eddng d\u00f9ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng SiO<sub>2 <\/sub>th\u1ea5p, hi\u1ec7u qu\u1ea3 c\u00e1ch nhi\u1ec7t k\u00e9m, gi\u00e1 th\u00e0nh th\u1ea1ch anh v\u00e2n cao. Th\u1ea1ch anh d\u1ea1ng b\u1ed9t l\u00e0 m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u1ed5ng h\u1ee3p canxi silicat vi x\u1ed1p.<\/p>\n<p>&nbsp;<\/p>\n<p>Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u1ea1ch anh \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb m\u1ecf \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn nh\u1ecf h\u01a1n 120 l\u01b0\u1edbi tr\u1edf th\u00e0nh c\u00e1t th\u1ea1ch anh, v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn tr\u00ean 120 l\u01b0\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9t th\u1ea1ch anh. Kh\u00f4ng c\u1ea7n m\u00e0i c\u01a1 h\u1ecdc \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ea1ch anh d\u1ea1ng b\u1ed9t, kh\u00e1c v\u1edbi th\u1ea1ch anh d\u1ea1ng m\u1ea1ch v\u00e0 th\u1ea1ch anh.<\/p>\n","protected":false},"author":6,"featured_media":114003,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[1307,1306],"class_list":["post-114054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-ung-dung-thach-anh-bot","tag-xu-ly-thach-anh-dang-bot"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114054","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=114054"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114054\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/114003"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=114054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=114054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=114054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}