{"id":118095,"date":"2022-08-01T10:00:50","date_gmt":"2022-08-01T02:00:50","guid":{"rendered":"https:\/\/www.alpapowder.com\/118095\/"},"modified":"2022-08-01T10:19:14","modified_gmt":"2022-08-01T02:19:14","slug":"mot-mo-thach-anh-tot-co-bang-mot-bai-cat-thach-anh-tot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/118095\/","title":{"rendered":"M\u1ed9t m\u1ecf th\u1ea1ch anh t\u1ed1t c\u00f3 b\u1eb1ng m\u1ed9t b\u00e3i c\u00e1t th\u1ea1ch anh t\u1ed1t?"},"content":{"rendered":"

\"\"<\/p>\n

C\u00e1t th\u1ea1ch anh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong hai ph\u00e2n \u0111o\u1ea1n trong c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n: th\u1ee7y tinh quang \u0111i\u1ec7n v\u00e0 n\u1ed3i n\u1ea5u kim lo\u1ea1i. Trong s\u1ed1 \u0111\u00f3, th\u1ee7y tinh quang \u0111i\u1ec7n c\u00f3 y\u00eau c\u1ea7u th\u1ea5p v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a c\u00e1t th\u1ea1ch anh, SiO2<\/a> \u2265 98,55%, v\u00e0 \u0111\u1ed9 truy\u1ec1n s\u00e1ng cao c\u1ee7a th\u1ee7y tinh l\u00e0 ch\u1ee7 y\u1ebfu.<\/p>\n

Nh\u01b0ng c\u00e1t th\u1ea1ch anh d\u00f9ng trong n\u1ed3i n\u1ea5u kim lo\u1ea1i th\u00ec kh\u1eaft khe h\u01a1n nhi\u1ec1u. Ch\u00e9n th\u1ea1ch anh v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 trong m\u1edd v\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh ba l\u1edbp: l\u1edbp ngo\u00e0i (l\u1edbp m\u1edd \u0111\u1ee5c) v\u00e0 l\u1edbp gi\u1eefa b\u00ean trong (l\u1edbp trong su\u1ed1t ch\u00e2n kh\u00f4ng). L\u1edbp b\u00ean trong \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ef7 l\u1ec7 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng c\u1ee7a \u0111\u01a1n tinh th\u1ec3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a thanh tinh th\u1ec3, v\u00ec v\u1eady ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1t l\u1edbp b\u00ean trong t\u01b0\u01a1ng \u0111\u1ed1i cao, v\u00e0 c\u00e1c lo\u1ea1i nh\u1eadp kh\u1ea9u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 Unimin t\u1eeb Hoa K\u1ef3 v\u00e0 TQC t\u1eeb Na Uy. L\u1edbp ngo\u00e0i ch\u1ee9a nhi\u1ec1u b\u1ecdt kh\u00ed, \u0111\u01b0\u1ee3c \u0111\u1ed1t n\u00f3ng \u0111\u1ec1u, c\u00f3 t\u00e1c d\u1ee5ng c\u00e1ch nhi\u1ec7t t\u1ed1t. C\u00e1c doanh nghi\u1ec7p trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu l\u00e0m c\u00e1t cho l\u1edbp trong v\u00e0 l\u1edbp ngo\u00e0i c\u1ee7a n\u1ed3i n\u1ea5u.<\/p>\n

C\u00e1c m\u1ecf th\u1ea1ch anh ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi, v\u00e0 c\u00e1c m\u1ecf th\u1ea1ch anh c\u00f4ng nghi\u1ec7p bao g\u1ed3m tinh th\u1ec3 t\u1ef1 nhi\u00ean, c\u00e1t k\u1ebft th\u1ea1ch anh, th\u1ea1ch anh m\u1ea1ch, th\u1ea1ch anh b\u1ed9t, c\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean v\u00e0 \u0111\u00e1 granit. Tuy nhi\u00ean, c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i c\u00e1t l\u00e0 kh\u00e1c nhau. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u1ed1ng th\u1ea1ch anh v\u00e0 thanh th\u1ea1ch anh, v\u00ec v\u1eady kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c kho\u00e1ng ch\u1ea5t n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u00e9n nung b\u1eb1ng th\u1ea1ch anh.<\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 r\u1ea5t \u00edt m\u1ecf th\u1ef1c s\u1ef1 th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u00e9n nung b\u1eb1ng th\u1ea1ch anh, ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf Hoa K\u1ef3, Na Uy v\u00e0 \u1ea4n \u0110\u1ed9. Hi\u1ec7n nay tr\u00ean th\u1ebf gi\u1edbi ch\u1ec9 c\u00f3 3 c\u00f4ng ty c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u00f3 l\u00e0 Unimin \u1edf Hoa K\u1ef3, TQC \u1edf Na Uy v\u00e0 c\u1ed5 ph\u1ea7n th\u1ea1ch anh trong n\u01b0\u1edbc.<\/p>\n

C\u00e1t th\u1ea1ch anh l\u00e0 m\u1ed9t ngu\u1ed3n t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean, v\u00e0 s\u1ef1 khan hi\u1ebfm qu\u1eb7ng l\u00e0 ch\u00eca kh\u00f3a h\u1ea1n ch\u1ebf vi\u1ec7c cung c\u1ea5p c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao. Unimin v\u00e0 TOC s\u1eed d\u1ee5ng c\u00e1c m\u1ecf \u1edf Hoa K\u1ef3, nh\u01b0ng v\u00ec c\u00e1c m\u1ecf th\u1ea1ch anh l\u00e0 c\u00e1c m\u1ecf li\u00ean k\u1ebft n\u00ean r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c s\u1ea3n l\u01b0\u1ee3ng. Ngo\u00e0i ra, c\u00e1c c\u00f4ng ty nh\u01b0 Unimin c\u00f3 t\u00ednh t\u00edch h\u1ee3p cao, v\u00e0 th\u1ea1ch anh ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n trong \u0111\u00f3, v\u00e0 v\u00ec l\u00e0 m\u1ecf li\u00ean k\u1ebft n\u00ean \u0111\u1ec3 t\u0103ng s\u1ea3n l\u01b0\u1ee3ng th\u1ea1ch anh th\u00ec c\u1ea7n ph\u1ea3i t\u0103ng c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c cho ph\u00f9 h\u1ee3p. Do \u0111\u00f3, s\u1ef1 m\u1edf r\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i b\u1ecb h\u1ea1n ch\u1ebf. Ngo\u00e0i ra, ngo\u00e0i s\u1ea3n xu\u1ea5t c\u00e1t quang \u0111i\u1ec7n, Unimin c\u00f2n s\u1ea3n xu\u1ea5t c\u00e1t b\u00e1n d\u1eabn, c\u00e1t b\u00e1n d\u1eabn \u0111\u1eaft h\u01a1n n\u00ean kh\u00f4ng \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 chuy\u1ec3n t\u1ea3i c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t.<\/p>\n

Ngo\u1ea1i tr\u1eeb c\u00e1c m\u1ecf \u1edf Hoa K\u1ef3 l\u00e0 m\u1ecf c\u1ee7a \u1ea4n \u0110\u1ed9, v\u00ec r\u1ea5t \u00edt m\u1ecf c\u00e1t th\u1ea1ch anh trong n\u01b0\u1edbc c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m n\u1ed3i n\u1ea5u kim lo\u1ea1i, c\u00e1c c\u00f4ng ty trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu mua m\u1ecf t\u1eeb \u1ea4n \u0110\u1ed9, v\u00e0 ph\u1ea7n l\u1edbn c\u1ed5 ph\u1ea7n th\u1ea1ch anh \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ecf c\u1ee7a \u1ea4n \u0110\u1ed9. C\u00e1t t\u1eeb m\u1ecf \u1ea4n \u0110\u1ed9 sau khi t\u1ea1o th\u00e0nh s\u1ea3n ph\u1ea9m c\u00f3 \u00edt b\u1ecdt kh\u00ed, d\u1ec5 tinh ch\u1ebf, gi\u00e1 th\u00e0nh v\u1eeba ph\u1ea3i, th\u00edch h\u1ee3p l\u00e0m c\u00e1t n\u1ea5u nung.<\/p>\n

V\u00ec v\u1eady, kh\u00f4ng ph\u1ea3i c\u00f4ng ngh\u1ec7 tinh ch\u1ebf th\u1ef1c s\u1ef1 h\u1ea1n ch\u1ebf n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, b\u1edfi v\u00ec c\u00f4ng ngh\u1ec7 tinh ch\u1ebf trong n\u01b0\u1edbc kh\u00f4ng y\u1ebfu h\u01a1n n\u01b0\u1edbc ngo\u00e0i, v\u00e0 c\u1ed1t l\u00f5i l\u00e0 t\u00e0i nguy\u00ean c\u1ee7a qu\u1eb7ng. C\u00f3 th\u1ec3 n\u00f3i \u201cai c\u00f3 qu\u1eb7ng t\u1ed1t th\u00ec g\u1eb7p c\u00e1t l\u00e0nh\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1t th\u1ea1ch anh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong hai ph\u00e2n \u0111o\u1ea1n trong c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n: th\u1ee7y tinh quang \u0111i\u1ec7n v\u00e0 n\u1ed3i n\u1ea5u kim lo\u1ea1i. Trong s\u1ed1 \u0111\u00f3, th\u1ee7y tinh quang \u0111i\u1ec7n c\u00f3 y\u00eau c\u1ea7u th\u1ea5p v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a c\u00e1t th\u1ea1ch anh, SiO2 \u2265 98,55%, v\u00e0 \u0111\u1ed9 truy\u1ec1n s\u00e1ng cao c\u1ee7a th\u1ee7y tinh l\u00e0 ch\u1ee7 y\u1ebfu.<\/p>\n","protected":false},"author":7,"featured_media":118071,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-118095","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\/118095","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=118095"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118095\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/118071"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=118095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=118095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=118095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}