{"id":110220,"date":"2021-08-24T14:33:19","date_gmt":"2021-08-24T06:33:19","guid":{"rendered":"https:\/\/www.alpapowder.com\/110220\/"},"modified":"2021-08-25T15:35:53","modified_gmt":"2021-08-25T07:35:53","slug":"cong-nghe-bao-che-bot-barit","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/110220\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 b\u00e0o ch\u1ebf b\u1ed9t barit"},"content":{"rendered":"

Barit l\u00e0 kho\u00e1ng ch\u1ea5t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3 l\u00e0 bari sulfat (BaSO4\u00a0<\/sub>), c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra trong c\u00e1c m\u1ea1ch th\u1ee7y nhi\u1ec7t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 \u0111\u00e1 tr\u1ea7m t\u00edch. Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc bao g\u1ed3m 65,7% BaO v\u00e0 34,3% SO3\u00a0<\/sub>, v\u00e0 c\u00f3 s\u1ef1 thay th\u1ebf t\u01b0\u01a1ng t\u1ef1 c\u1ee7a Sr, Pb v\u00e0 Ca trong th\u00e0nh ph\u1ea7n. Barit th\u01b0\u1eddng l\u00e0 c\u00e1c t\u1eadp h\u1ee3p d\u1ea1ng t\u1ea5m, d\u1ea1ng h\u1ea1t, d\u1ea1ng s\u1ee3i v\u00e0 c\u00e1c c\u1ee5m tinh th\u1ec3 d\u1ea1ng t\u1ea5m, m\u1ed9t s\u1ed1 \u00edt trong s\u1ed1 \u0111\u00f3 c\u00f3 d\u1ea1ng \u0111\u1eb7c, kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, d\u1ea1ng tinh th\u1ec3 m\u1eadt m\u00e3 v\u00e0 gi\u1ed1ng nh\u01b0 \u0111\u1ea5t, \u0111\u1ed3ng th\u1eddi c\u0169ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y c\u00e1c nh\u0169 \u0111\u00e1 v\u00e0 n\u1ed1t s\u1ea7n c\u00f3 c\u1ea5u tr\u00fac gi\u1ed1ng nh\u01b0 v\u00e0nh \u0111ai \u0111\u1ed3ng t\u00e2m. .<\/p>\n

Barit nguy\u00ean ch\u1ea5t kh\u00f4ng m\u00e0u v\u00e0 trong su\u1ed1t, th\u01b0\u1eddng c\u00f3 m\u00e0u tr\u1eafng, x\u00e1m, v\u00e0ng nh\u1ea1t, n\u00e2u nh\u1ea1t, v\u00e0 c\u00f3 th\u1ec3 c\u00f3 m\u00e0u xanh nh\u1ea1t, h\u1ed3ng, x\u00e1m \u0111\u1eadm, v.v. c\u00f3 l\u1eabn t\u1ea1p ch\u1ea5t. Th\u1ee7y tinh b\u00f3ng, trong su\u1ed1t \u0111\u1ebfn m\u1edd, \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ea5p, che ch\u1eafn t\u1ed1t, c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 tia X v\u00e0 tia Y, b\u1ec1n v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, tinh khi\u1ebft kh\u00f3 tan trong n\u01b0\u1edbc v\u00e0 axit.<\/p>\n

Th\u1ebf gi\u1edbi gi\u00e0u t\u00e0i nguy\u00ean barit, v\u1edbi tr\u1eef l\u01b0\u1ee3ng 2 t\u1ef7 t\u1ea5n. C\u00e1c khu v\u1ef1c s\u1ea3n xu\u1ea5t barit n\u1ed5i ti\u1ebfng th\u1ebf gi\u1edbi bao g\u1ed3m: Westmanland v\u00e0 Cumbria \u1edf V\u01b0\u01a1ng qu\u1ed1c Anh, Phils Bonny \u1edf Romania, Sachsen \u1edf \u0110\u1ee9c, Tianzhu \u1edf Qu\u00fd Ch\u00e2u, Trung Qu\u1ed1c, Gongxi \u1edf H\u1ed3 Nam, Liulin \u1edf H\u1ed3 B\u1eafc v\u00e0 Qu\u1ea3ng T\u00e2y Heifenggou \u1edf Cam T\u00fac, T\u01b0\u01a1ng Ch\u00e2u, Th\u1ee7y B\u00ecnh \u1edf Thi\u1ec3m T\u00e2y , V\u00e2n v\u00e2n.<\/p>\n

Barit \u0111\u01b0\u1ee3c chia th\u00e0nh barit c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, barit si\u00eau m\u1ecbn v\u00e0 barit ho\u1ea1t \u0111\u1ed9ng si\u00eau m\u1ecbn.<\/p>\n

C\u00f4ng ngh\u1ec7 b\u00e0o ch\u1ebf b\u1ed9t barit c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/h4>\n