{"id":129790,"date":"2023-11-06T14:24:38","date_gmt":"2023-11-06T06:24:38","guid":{"rendered":"https:\/\/www.alpapowder.com\/129790\/"},"modified":"2023-11-06T14:24:39","modified_gmt":"2023-11-06T06:24:39","slug":"dac-diem-va-cong-dung-kinh-te-cua-khoang-chat-dolomite","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/129790\/","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00f4ng d\u1ee5ng kinh t\u1ebf c\u1ee7a kho\u00e1ng ch\u1ea5t Dolomite"},"content":{"rendered":"
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Tinh th\u1ec3 Dolomite l\u00e0 m\u1ed9t kho\u00e1ng v\u1eadt cacbonat thu\u1ed9c h\u1ec7 tinh th\u1ec3 l\u01b0\u1ee3ng gi\u00e1c. Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a n\u00f3 l\u00e0 CaMg(CO3)2, th\u01b0\u1eddng c\u00f3 s\u1eaft, mangan v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed3ng ph\u00e2n t\u01b0\u01a1ng t\u1ef1 kh\u00e1c (thay v\u00ec magi\u00ea). Khi s\u1ed1 l\u01b0\u1ee3ng nguy\u00ean t\u1eed s\u1eaft ho\u1eb7c mangan v\u01b0\u1ee3t qu\u00e1 s\u1ed1 l\u01b0\u1ee3ng nguy\u00ean t\u1eed magi\u00ea, n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 dolomit ankerit ho\u1eb7c mangan. H\u1ec7 tinh th\u1ec3 l\u01b0\u1ee3ng gi\u00e1c, tinh th\u1ec3 c\u00f3 h\u00ecnh thoi, m\u1eb7t tinh th\u1ec3 th\u01b0\u1eddng u\u1ed1n cong th\u00e0nh h\u00ecnh y\u00ean ng\u1ef1a, v\u00e0 ph\u1ed5 bi\u1ebfn l\u00e0 tinh th\u1ec3 \u0111\u00f4i nhi\u1ec1u l\u1edbp. C\u00e1c c\u1ed1t li\u1ec7u th\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u1ea1t. N\u00f3 c\u00f3 m\u00e0u tr\u1eafng khi tinh khi\u1ebft; m\u00e0u x\u00e1m khi ch\u1ee9a s\u1eaft; m\u00e0u n\u00e2u sau th\u1eddi ti\u1ebft. \u00c1nh th\u1ee7y tinh. N\u00f3 l\u00e0 kho\u00e1ng ch\u1ea5t ch\u00ednh t\u1ea1o n\u00ean dolomite. Dolomite c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb tr\u1ea7m t\u00edch bi\u1ec3n th\u01b0\u1eddng xen k\u1ebd v\u1edbi c\u00e1c l\u1edbp siderit v\u00e0 c\u00e1c l\u1edbp \u0111\u00e1 v\u00f4i. Trong tr\u1ea7m t\u00edch h\u1ed3, dolomite c\u00f9ng t\u1ed3n t\u1ea1i v\u1edbi th\u1ea1ch cao, anhydrite, halit, kali halit, v.v..<\/p>\n
T\u1eeb Dolomite ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u01b0\u1edfng nh\u1edb DOLOMIEU (1750~1843), m\u1ed9t nh\u00e0 h\u00f3a h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p. Dolomite l\u00e0 m\u1ed9t h\u1ec7 tinh th\u1ec3 l\u01b0\u1ee3ng gi\u00e1c c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc l\u00e0 CaMg(CO3)2. N\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t bao g\u1ed3m canxi cacbonat v\u00e0 magi\u00ea cacbonat (t\u1ef7 l\u1ec7 CaCO3 so v\u1edbi MgCO3 l\u00e0 kho\u1ea3ng 1:1). N\u00f3 c\u00f3 s\u1ef1 ph\u00e2n t\u00e1ch ho\u00e0n to\u00e0n v\u00e0 k\u1ebft tinh h\u00ecnh thoi. . M\u00e0u s\u1eafc ch\u1ee7 y\u1ebfu l\u00e0 tr\u1eafng, x\u00e1m, m\u00e0u th\u1ecbt, kh\u00f4ng m\u00e0u, xanh l\u00e1 c\u00e2y, n\u00e2u, \u0111en, h\u1ed3ng \u0111\u1eadm, v.v., trong su\u1ed1t \u0111\u1ebfn m\u1edd, c\u00f3 \u00e1nh th\u1ee7y tinh, \u0111\u1ed9 c\u1ee9ng 3,5-4, tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang 2,85-2,9. T\u00f4i nh\u1edb khi t\u00f4i \u0111\u1ebfn Hoa Li\u00ean trong nh\u1eefng ng\u00e0y h\u1ecdc \u0111\u1ea1i h\u1ecdc, t\u00f4i lu\u00f4n kh\u00f4ng th\u1ec3 t\u00ecm ra c\u00e1ch ph\u00e2n bi\u1ec7t gi\u1eefa \u0111\u00e1 dolomite v\u00e0 \u0111\u00e1 c\u1ea9m th\u1ea1ch tr\u00ean b\u00e3i bi\u1ec3n. N\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t lon axit clohydric lo\u00e3ng l\u1ea1nh \u1edf g\u1ea7n, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u1ee7 thu\u1eadt n\u00e0y. Dolomite kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn kh\u00f4ng d\u1ec5 b\u1ecb bong b\u00f3ng khi ti\u1ebfp x\u00fac v\u1edbi axit clohydric lo\u00e3ng l\u1ea1nh, trong khi \u0111\u00e1 c\u1ea9m th\u1ea1ch s\u1ebd ngay l\u1eadp t\u1ee9c ph\u00e1t ra nhi\u1ec1u bong b\u00f3ng nh\u1ecf.<\/p>\n
Dolomite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda b\u00ean trong c\u1ee7a l\u00f2 c\u1ea3i c\u00e1ch d\u00f9ng trong s\u1ea3n xu\u1ea5t th\u00e9p, ch\u1ea5t t\u1ea1o x\u1ec9, nguy\u00ean li\u1ec7u xi m\u0103ng, ch\u1ea5t tr\u1ee3 k\u00ednh, l\u00f2 nung, ph\u00e2n b\u00f3n, \u0111\u00e1 x\u00e2y d\u1ef1ng v\u00e0 trang tr\u00ed, s\u01a1n, thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 thu\u1ed1c, v.v. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, g\u1ed1m s\u1ee9, th\u1ee7y tinh v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, n\u00f4ng nghi\u1ec7p, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n