{"id":136215,"date":"2025-08-12T15:43:34","date_gmt":"2025-08-12T07:43:34","guid":{"rendered":"https:\/\/www.alpapowder.com\/136215\/"},"modified":"2025-08-12T15:43:34","modified_gmt":"2025-08-12T07:43:34","slug":"duoc-su-dung-rong-rai-trong-nganh-gom-su-bot-talc-den","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136215\/","title":{"rendered":"\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh g\u1ed1m s\u1ee9 – B\u1ed9t talc \u0111en"},"content":{"rendered":"

\"\"<\/p>\n

B\u1ed9t talc \u0111en th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb b\u1ed9t talc, th\u1ea1ch anh, canxit, sepiolit v\u00e0 cacbon h\u1eefu c\u01a1, c\u00f3 m\u00e0u t\u1eeb \u0111en \u0111\u1ebfn x\u00e1m \u0111en.<\/p>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc ch\u00ednh c\u1ee7a b\u1ed9t talc \u0111en l\u00e0 magie oxit, silic oxit, nh\u00f4m oxit, s\u1eaft oxit, titan oxit, natri oxit v\u00e0 kali oxit.<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t talc \u0111en
\n(1) Nguy\u00ean li\u1ec7u th\u00f4 cho ng\u00e0nh c\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9<\/p>\n

Hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a b\u1ed9t talc \u0111en l\u00e0 kh\u00f4ng th\u1ec3 thay th\u1ebf b\u1edfi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. S\u1ee9 tr\u1eafng cao c\u1ea5p v\u00e0 s\u1ee9 x\u01b0\u01a1ng nung b\u1eb1ng b\u1ed9t talc \u0111en c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ee9 talc ho\u1eb7c s\u1ee9 magie.<\/p>\n

(2) Ch\u1ea5t \u0111\u1ed9n cho c\u00e1c s\u1ea3n ph\u1ea9m cao su<\/p>\n

L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n cho c\u00e1c s\u1ea3n ph\u1ea9m cao su, b\u1ed9t talc \u0111en c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t v\u00e0 m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh gia c\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

(3) Ch\u1ea5t \u0111\u1ed9n cho c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a<\/p>\n

Ch\u1ea5t \u0111\u1ed9n nh\u1ef1a s\u1eed d\u1ee5ng hai lo\u1ea1i s\u1ea3n ph\u1ea9m b\u1ed9t talc \u0111en, m\u1ed9t l\u00e0 b\u1ed9t talc \u0111en v\u00e0 lo\u1ea1i c\u00f2n l\u1ea1i l\u00e0 b\u1ed9t talc nung.<\/p>\n

(4) Ch\u1ea5t \u0111\u1ed9n cho l\u1edbp ph\u1ee7<\/p>\n

V\u00ec talc c\u00f3 k\u1ebft c\u1ea5u m\u1ec1m, \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ea5p, kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u00e0 huy\u1ec1n ph\u00f9 t\u1ed1t, n\u00ean n\u00f3 \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7.<\/p>\n

(5) Kh\u00e1c<\/p>\n

Ngo\u00e0i vi\u1ec7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00eau tr\u00ean, talc \u0111en c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t h\u1ea5p ph\u1ee5 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 nguy\u00ean li\u1ec7u ch\u1ed1ng th\u1ea5m, ph\u00e2n b\u00f3n, thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 h\u00f3a ch\u1ea5t tinh khi\u1ebft.<\/p>\n

Nung v\u00e0 l\u00e0m tr\u1eafng talc \u0111en
\nM\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd talc \u0111en l\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng. \u0110\u1ed9 tr\u1eafng t\u1ef1 nhi\u00ean c\u1ee7a talc \u0111en ch\u1ec9 kho\u1ea3ng 50% ho\u1eb7c th\u1eadm ch\u00ed th\u1ea5p h\u01a1n, h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 g\u1ed1m s\u1ee9 v\u00e0 cao su. L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n, talc ph\u1ea3i c\u00f3 \u0111\u1ed9 tr\u1eafng cao. \u0110\u1ec3 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng, c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng c\u1ee7a n\u00f3. Nung, sau \u0111\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1eafng v\u00e0 thay \u0111\u1ed5i c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a n\u00f3, l\u00e0m t\u0103ng gi\u00e1 tr\u1ecb gia t\u0103ng c\u1ee7a n\u00f3.<\/p>\n

Hi\u1ec7n nay, ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng c\u1ee7a talc \u0111en l\u00e0 nung. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh nung l\u00e0 lo\u1ea1i b\u1ecf cacbon h\u1eefu c\u01a1 kh\u1ecfi b\u1ed9t talc, \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tr\u1eafng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u00f4ng nghi\u1ec7p v\u00e0 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng. Sau khi nung, \u0111\u1ed9 tr\u1eafng \u0111\u1ea1t t\u1edbi 95%, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y, ch\u1ecbu nhi\u1ec7t, c\u00e1ch nhi\u1ec7t, b\u00e1m d\u00ednh, h\u1ea5p ph\u1ee5 v\u00e0 b\u00f4i tr\u01a1n tuy\u1ec7t v\u1eddi. S\u1ea3n ph\u1ea9m n\u00e0y ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng trong s\u1ea3n xu\u1ea5t gi\u1ea5y, g\u1ed1m s\u1ee9, nh\u1ef1a, s\u01a1n, ch\u1ea5t ph\u1ee7, d\u01b0\u1ee3c ph\u1ea9m, m\u1ef9 ph\u1ea9m, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, m\u00e1y m\u00f3c, \u0111i\u1ec7n t\u1eed, m\u00e1y t\u00ednh v\u00e0 trang tr\u00ed ki\u1ebfn tr\u00fac.<\/p>\n

Quy tr\u00ecnh nung b\u1ed9t talc \u0111en
\nNung v\u00e0 nghi\u1ec1n l\u00e0 hai quy tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf bi\u1ebfn talc \u0111en \u0111\u1ea1t \u0111\u1ed9 tr\u1eafng cao v\u00e0 si\u00eau m\u1ecbn. T\u00f9y thu\u1ed9c v\u00e0o th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n, c\u00f3 hai quy tr\u00ecnh ch\u00ednh: nung r\u1ed3i nghi\u1ec1n si\u00eau m\u1ecbn, v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn r\u1ed3i nung.<\/p>\n

Quy tr\u00ecnh nung tr\u01b0\u1edbc khi nghi\u1ec1n<\/p>\n

\u01afu \u0111i\u1ec3m l\u00e0 quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n v\u00e0 chi ph\u00ed x\u1eed l\u00fd th\u1ea5p. Tuy nhi\u00ean, sau khi nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 ph\u00e2n lo\u1ea1i, s\u1ea3n ph\u1ea9m talc thu \u0111\u01b0\u1ee3c c\u00f3 \u0111\u1ed9 tr\u1eafng kho\u1ea3ng 85%, th\u1ea5p h\u01a1n \u0111\u1ed9 tr\u1eafng mong mu\u1ed1n 95% sau khi nung.<\/p>\n

Quy tr\u00ecnh nghi\u1ec1n tr\u01b0\u1edbc khi nung<\/p>\n

\u01afu \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 tr\u1eafng \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n sau khi nung, v\u1edbi \u0111\u1ed9 tr\u1eafng tr\u00ean 92%. Tuy nhi\u00ean, quy tr\u00ecnh n\u00e0y d\u1ec5 b\u1ecb v\u00f3n c\u1ee5c ho\u1eb7c loang l\u1ed5 m\u00e0u tr\u1eafng \u0111\u1ecf.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nung v\u00e0 nghi\u1ec1n l\u00e0 hai qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra b\u1ed9t talc \u0111en c\u00f3 \u0111\u1ed9 tr\u1eafng cao v\u00e0 si\u00eau m\u1ecbn.<\/p>\n","protected":false},"author":7,"featured_media":136190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136215","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\/136215","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=136215"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136215\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136190"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}