{"id":132885,"date":"2024-07-10T10:19:03","date_gmt":"2024-07-10T02:19:03","guid":{"rendered":"https:\/\/www.alpapowder.com\/132885\/"},"modified":"2024-07-10T10:19:04","modified_gmt":"2024-07-10T02:19:04","slug":"cong-dung-cua-titan-dioxide-la-gi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/132885\/","title":{"rendered":"C\u00f4ng d\u1ee5ng c\u1ee7a titan dioxide l\u00e0 g\u00ec?"},"content":{"rendered":"

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Titanium dioxide l\u00e0 m\u1ed9t s\u1eafc t\u1ed1 h\u00f3a h\u1ecdc v\u00f4 c\u01a1 quan tr\u1ecdng, th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 titan dioxide. C\u00f3 hai quy tr\u00ecnh s\u1ea3n xu\u1ea5t titan dioxide: quy tr\u00ecnh axit sulfuric v\u00e0 quy tr\u00ecnh clo h\u00f3a. N\u00f3 c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u01a1n, m\u1ef1c, s\u1ea3n xu\u1ea5t gi\u1ea5y, nh\u1ef1a v\u00e0 cao su, s\u1ee3i h\u00f3a h\u1ecdc v\u00e0 g\u1ed1m s\u1ee9.<\/p>\n

S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a titan dioxide l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 to\u00e0n di\u1ec7n, \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1eafc t\u1ed1 titan dioxide v\u00e0 hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng s\u1ea3n ph\u1ea9m. Do \u0111\u00f3, cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 kh\u1ea3 n\u0103ng \u1ea9n gi\u1ea5u v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch tr\u1ef1c ti\u1ebfp t\u1eeb s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a titan dioxide t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p. \u0110\u1ea7u ti\u00ean l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t th\u1ee7y ph\u00e2n ban \u0111\u1ea7u. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n, k\u00edch th\u01b0\u1edbc h\u1ea1t ban \u0111\u1ea7u n\u1eb1m trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh. Th\u1ee9 hai l\u00e0 nhi\u1ec7t \u0111\u1ed9 nung. Trong qu\u00e1 tr\u00ecnh nung axit metatitanic, c\u00e1c h\u1ea1t tr\u1ea3i qua giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed5i tinh th\u1ec3 v\u00e0 giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng. Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p \u0111\u1ec3 gi\u1eef c\u00e1c h\u1ea1t \u0111ang ph\u00e1t tri\u1ec3n trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh. Cu\u1ed1i c\u00f9ng, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c nghi\u1ec1n n\u00e1t. Th\u00f4ng th\u01b0\u1eddng, m\u00e1y nghi\u1ec1n Raymond \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i v\u00e0 t\u1ed1c \u0111\u1ed9 m\u00e1y ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u1ec1n. \u0110\u1ed3ng th\u1eddi, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00e1c nh\u01b0: m\u00e1y nghi\u1ec1n \u0111a n\u0103ng, m\u00e1y nghi\u1ec1n d\u00f2ng kh\u00ed v\u00e0 m\u00e1y nghi\u1ec1n b\u00faa.<\/p>\n

Titanium dioxide c\u00f3 ba d\u1ea1ng tinh th\u1ec3 trong t\u1ef1 nhi\u00ean: rutile, anatase v\u00e0 brookite. Brookite thu\u1ed9c h\u1ec7 th\u1ed1ng tr\u1ef1c giao v\u00e0 l\u00e0 d\u1ea1ng tinh th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh. N\u00f3 s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh rutile \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 650\u00b0C n\u00ean kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb th\u1ef1c ti\u1ec5n trong c\u00f4ng nghi\u1ec7p. Anatase \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, nh\u01b0ng n\u00f3 s\u1ebd chuy\u1ec3n th\u00e0nh rutile \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u01b0\u1eddng \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t v\u00e0 li\u1ec7u ch\u1ea5t \u1ee9c ch\u1ebf hay ch\u1ea5t x\u00fac ti\u1ebfn c\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong qu\u00e1 tr\u00ecnh nung hay kh\u00f4ng.<\/p>\n

Titanium dioxide (ho\u1eb7c titan dioxide) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t k\u1ebft c\u1ea5u kh\u00e1c nhau, l\u1edbp ph\u1ee7 v\u00e0 ch\u1ea5t \u0111\u1ed9n gi\u1ea5y, nh\u1ef1a v\u00e0 ch\u1ea5t \u0111\u00e0n h\u1ed3i. C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c bao g\u1ed3m g\u1ed1m s\u1ee9, th\u1ee7y tinh, ch\u1ea5t x\u00fac t\u00e1c, v\u1ea3i tr\u00e1ng, m\u1ef1c in, h\u1ea1t l\u1ee3p v\u00e0 ch\u1ea5t tr\u1ee3 dung. Theo th\u1ed1ng k\u00ea, nhu c\u1ea7u titan dioxide to\u00e0n c\u1ea7u \u0111\u1ea1t 4,6 tri\u1ec7u t\u1ea5n v\u00e0o n\u0103m 2006, trong \u0111\u00f3 ng\u00e0nh s\u01a1n chi\u1ebfm 58%, ng\u00e0nh nh\u1ef1a chi\u1ebfm 23%, ng\u00e0nh gi\u1ea5y chi\u1ebfm 10% v\u00e0 c\u00e1c ng\u00e0nh kh\u00e1c chi\u1ebfm 9%. Titan dioxit c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bx\u1ec9 ilmenit, rutil ho\u1eb7c titan. C\u00f3 hai quy tr\u00ecnh s\u1ea3n xu\u1ea5t titan dioxide: quy tr\u00ecnh sunfat v\u00e0 quy tr\u00ecnh clorua. Qu\u00e1 tr\u00ecnh sunfat \u0111\u01a1n gi\u1ea3n h\u01a1n qu\u00e1 tr\u00ecnh clorua v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c kho\u00e1ng ch\u1ea5t c\u1ea5p th\u1ea5p v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb. Ng\u00e0y nay, kho\u1ea3ng 47% n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t c\u1ee7a th\u1ebf gi\u1edbi s\u1eed d\u1ee5ng quy tr\u00ecnh sunfat v\u00e0 53% n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng quy tr\u00ecnh clorua.<\/p>\n

Titanium dioxide \u0111\u01b0\u1ee3c coi l\u00e0 ch\u1ea5t m\u00e0u tr\u1eafng t\u1ed1t nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u01a1n, nh\u1ef1a, s\u1ea3n xu\u1ea5t gi\u1ea5y, m\u1ef1c in, s\u1ee3i h\u00f3a h\u1ecdc, cao su, m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n

Titanium dioxide (titanium dioxide) c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng. Trong t\u1ef1 nhi\u00ean, titan dioxide c\u00f3 ba lo\u1ea1i tinh th\u1ec3: brookite, anatase v\u00e0 rutile. Lo\u1ea1i brookite l\u00e0 d\u1ea1ng tinh th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p. Lo\u1ea1i anatase (lo\u1ea1i A) v\u00e0 lo\u1ea1i rutil (lo\u1ea1i R) \u0111\u1ec1u c\u00f3 m\u1ea1ng l\u01b0\u1edbi \u1ed5n \u0111\u1ecbnh v\u00e0 l\u00e0 ch\u1ea5t m\u00e0u tr\u1eafng v\u00e0 men s\u1ee9 quan tr\u1ecdng. So v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u tr\u1eafng kh\u00e1c, ch\u00fang c\u00f3 \u0111\u1ed9 tr\u1eafng v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng nhu\u1ed9m m\u00e0u, kh\u1ea3 n\u0103ng che gi\u1ea5u, ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft, ch\u1ecbu nhi\u1ec7t v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i.<\/p>\n

Titanium dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u01a1n, nh\u1ef1a, cao su, m\u1ef1c in, gi\u1ea5y, s\u1ee3i h\u00f3a h\u1ecdc, g\u1ed1m s\u1ee9, h\u00f3a ch\u1ea5t h\u00e0ng ng\u00e0y, y h\u1ecdc, th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

Titanium dioxide c\u00f3 ba d\u1ea1ng tinh th\u1ec3 trong t\u1ef1 nhi\u00ean: rutile, anatase v\u00e0 brookite.<\/p>\n","protected":false},"author":7,"featured_media":132843,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-132885","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\/132885"}],"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=132885"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132885\/revisions"}],"predecessor-version":[{"id":132886,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132885\/revisions\/132886"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/132843"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=132885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=132885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=132885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}