{"id":135085,"date":"2024-11-18T13:40:42","date_gmt":"2024-11-18T05:40:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/135085\/"},"modified":"2024-11-18T13:40:43","modified_gmt":"2024-11-18T05:40:43","slug":"xu-ly-tinh-che-titan-dioxit","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/135085\/","title":{"rendered":"X\u1eed l\u00fd tinh ch\u1ebf titan dioxit"},"content":{"rendered":"
B\u1ed9t titan dioxide (TiO2)<\/p>\n
Titanium dioxide (TiO2), l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t tr\u1eafng nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi, chi\u1ebfm m\u1ed9t v\u1ecb tr\u00ed kh\u00f4ng th\u1ec3 thay th\u1ebf trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p v\u1edbi kh\u1ea3 n\u0103ng che ph\u1ee7, \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tuy\u1ec7t v\u1eddi. N\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u01a1n, nh\u1ef1a, gi\u1ea5y v\u00e0 m\u1ef9 ph\u1ea9m m\u00e0 c\u00f2n cho th\u1ea5y ti\u1ec1m n\u0103ng to l\u1edbn trong c\u00e1c l\u0129nh v\u1ef1c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u1edbi. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 s\u00e2u v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a titan dioxide, \u0111\u1ed3ng th\u1eddi t\u1eadp trung v\u00e0o quy tr\u00ecnh nghi\u1ec1n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a n\u00f3, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y nghi\u1ec1n Raymond.<\/p>\n
1. Th\u00e0nh ph\u1ea7n c\u1ee7a titan dioxide<\/p>\n
Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a titan dioxide l\u00e0 titan dioxide (TiO2), \u0111\u00e2y l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 chi\u1ebft su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng cao. C\u00f3 hai c\u1ea5u tr\u00fac tinh th\u1ec3 ch\u00ednh c\u1ee7a titan dioxide: anatase v\u00e0 rutil. Titan dioxide anatase c\u00f3 ho\u1ea1t t\u00ednh quang cao, trong khi rutil \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft cao h\u01a1n.<\/p>\n
2. \u1ee8ng d\u1ee5ng c\u1ee7a titan dioxide<\/p>\n
Ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u01a1n ph\u1ee7<\/p>\n
Titanium dioxide l\u00e0 m\u1ed9t ch\u1ea5t m\u00e0u tr\u1eafng kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u01a1n ph\u1ee7. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng che ph\u1ee7 v\u00e0 \u0111\u1ed9 s\u00e1ng tuy\u1ec7t v\u1eddi, \u0111\u1ed3ng th\u1eddi t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n
Ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ef1a<\/p>\n
Trong nh\u1ef1a, titan dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u00e0u tr\u1eafng v\u00e0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh tia UV. N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng v\u00e0 kh\u1ea3 n\u0103ng che ph\u1ee7 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a, \u0111\u1ed3ng th\u1eddi ng\u0103n ng\u1eeba s\u1ef1 ph\u00e2n h\u1ee7y do tia c\u1ef1c t\u00edm g\u00e2y ra.<\/p>\n
Ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t gi\u1ea5y<\/p>\n
Titan dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t gi\u1ea5y \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 m\u1edd c\u1ee7a gi\u1ea5y. N\u00f3 c\u00f3 th\u1ec3 l\u00e0m cho gi\u1ea5y s\u00e1ng h\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t in c\u1ee7a gi\u1ea5y.<\/p>\n
Ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u1ef9 ph\u1ea9m<\/p>\n
Trong m\u1ef9 ph\u1ea9m, titan dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u00e0u tr\u1eafng v\u00e0 ch\u1ea5t che ch\u1eafn tia UV. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p t\u00f4ng m\u00e0u da t\u1ef1 nhi\u00ean \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a tia UV.<\/p>\n
3. Quy tr\u00ecnh nghi\u1ec1n titan dioxide<\/p>\n
Quy tr\u00ecnh s\u1ea3n xu\u1ea5t titan dioxide bao g\u1ed3m khai th\u00e1c qu\u1eb7ng, x\u1eed l\u00fd b\u1eb1ng clo ho\u1eb7c axit sunfuric, nung, nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. Trong s\u1ed1 \u0111\u00f3, nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i l\u00e0 c\u00e1c b\u01b0\u1edbc ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a titan dioxide. Quy tr\u00ecnh nghi\u1ec1n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a titan dioxide, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. Titan dioxit c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 ph\u00e2n b\u1ed1 h\u1eb9p c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng che ph\u1ee7 v\u00e0 \u0111\u1ed9 s\u00e1ng t\u1ed1t h\u01a1n. Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, m\u00e1y nghi\u1ec1n Raymond th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf bi\u1ebfn.<\/p>\n
\u01afu \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn m\u00e1y nghi\u1ec1n Raymond<\/p>\n
M\u00e1y nghi\u1ec1n Raymond l\u00e0 thi\u1ebft b\u1ecb nghi\u1ec1n hi\u1ec7u su\u1ea5t cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i titan dioxit. M\u00e1y nghi\u1ec1n Raymond nghi\u1ec1n s\u1ea3n ph\u1ea9m th\u00f4 th\u00e0nh b\u1ed9t m\u1ecbn th\u00f4ng qua t\u00e1c \u0111\u1ed9ng \u0111\u00f9n v\u00e0 nghi\u1ec1n c\u1ee7a con l\u0103n nghi\u1ec1n v\u00e0 v\u00f2ng nghi\u1ec1n, v\u00e0 ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c th\u00f4ng qua b\u1ed9 ph\u00e2n lo\u1ea1i.<\/p>\n
Hi\u1ec7u su\u1ea5t cao v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/p>\n
M\u00e1y nghi\u1ec1n Raymond \u00e1p d\u1ee5ng nguy\u00ean l\u00fd nghi\u1ec1n hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 th\u1ec3 nghi\u1ec1n v\u1eadt li\u1ec7u th\u00e0nh b\u1ed9t m\u1ecbn trong th\u1eddi gian ng\u1eafn. So v\u1edbi m\u00e1y nghi\u1ec1n bi truy\u1ec1n th\u1ed1ng, m\u00e1y nghi\u1ec1n Raymond c\u00f3 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t nghi\u1ec1n cao h\u01a1n.<\/p>\n
K\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u<\/p>\n
M\u00e1y nghi\u1ec1n Raymond \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 ph\u00e2n lo\u1ea1i, c\u00f3 th\u1ec3 ph\u00e2n lo\u1ea1i v\u1eadt li\u1ec7u theo k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t s\u1ea3n ph\u1ea9m \u0111\u1ed3ng \u0111\u1ec1u. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t titan dioxit, v\u00ec titan dioxit c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng.<\/p>\n
V\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng<\/p>\n
M\u00e1y nghi\u1ec1n Raymond c\u00f3 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac h\u1ee3p l\u00fd, v\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng v\u00e0 b\u1ea3o tr\u00ec thu\u1eadn ti\u1ec7n. M\u1ee9c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng h\u00f3a cao c\u1ee7a m\u00e1y c\u00f3 th\u1ec3 gi\u1ea3m v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"
Titan dioxit l\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u tr\u1eafng kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh s\u01a1n ph\u1ee7.<\/p>\n","protected":false},"author":7,"featured_media":135048,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-135085","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\/135085","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=135085"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/135085\/revisions"}],"predecessor-version":[{"id":135086,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/135085\/revisions\/135086"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/135048"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=135085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=135085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=135085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}