![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2024\/07\/Dolomite-powder-1024x649.jpg\")
<\/p>\n<\/p>\n
C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a dolomite l\u00e0 [CaMg(CO3)2], c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00e1 v\u00f4i dolomite. Dolomite chi\u1ebfm kho\u1ea3ng 2% v\u1ecf tr\u00e1i \u0111\u1ea5t. Tr\u1ea7m t\u00edch Dolomite ph\u1ed5 bi\u1ebfn tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u00e1 tr\u1ea7m t\u00edch ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c c\u1ea5u tr\u00fac \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n
Dolomite l\u00e0 m\u1ed9t trong nh\u1eefng kho\u00e1ng ch\u1ea5t ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i trong \u0111\u00e1 tr\u1ea7m t\u00edch v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh dolomite d\u00e0y. Dolomit tr\u1ea7m t\u00edch s\u01a1 c\u1ea5p \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u1ef1c ti\u1ebfp \u1edf c\u00e1c h\u1ed3 bi\u1ec3n c\u00f3 \u0111\u1ed9 m\u1eb7n cao. M\u1ed9t l\u01b0\u1ee3ng l\u1edbn dolomit l\u00e0 th\u1ee9 c\u1ea5p, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi \u0111\u00e1 v\u00f4i \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng dung d\u1ecbch ch\u1ee9a magie. Dolomit 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, anhydrit, mu\u1ed1i m\u1ecf, mu\u1ed1i kali…<\/p>\n
\u1ee8ng d\u1ee5ng c\u1ee7a dolomite trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau:<\/p>\n
C\u00f4ng nghi\u1ec7p luy\u1ec7n kim Ng\u00e0nh v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c Dolomite l\u00e0 m\u1ed9t trong nh\u1eefng kho\u00e1ng ch\u1ea5t ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i trong \u0111\u00e1 tr\u1ea7m t\u00edch v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh dolomite d\u00e0y.<\/p>\n","protected":false},"author":7,"featured_media":132800,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-132838","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\/132838"}],"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=132838"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132838\/revisions"}],"predecessor-version":[{"id":132839,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132838\/revisions\/132839"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/132800"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=132838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=132838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=132838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nMagi\u00ea c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t v\u00e0 d\u1eabn \u0111i\u1ec7n t\u1ed1t. N\u00f3 l\u00e0 m\u1ed9t kim lo\u1ea1i kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i. H\u1ee3p kim magi\u00ea nh\u1eb9, b\u1ec1n, \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai cao v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u1ed1t. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng, \u00f4 t\u00f4, \u0111\u00fac ch\u00ednh x\u00e1c, c\u00f4ng nghi\u1ec7p qu\u1ed1c ph\u00f2ng v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. Trong ng\u00e0nh luy\u1ec7n kim magi\u00ea. Dolomite l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t kim lo\u1ea1i magi\u00ea. Ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t silic trong n\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tinh ch\u1ebf kim lo\u1ea1i magi\u00ea. S\u1ea3n l\u01b0\u1ee3ng chi\u1ebfm kho\u1ea3ng 20% \u200b\u200bv\u00e0 kho\u1ea3ng 67% t\u1ed5ng l\u01b0\u1ee3ng magie kim lo\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t silic l\u00e0 nung v\u00e0 ph\u00e2n h\u1ee7y dolomite \u0111\u1ec3 thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p MgO v\u00e0 CaO. Sau khi b\u1ed9t nung \u0111\u01b0\u1ee3c nghi\u1ec1n v\u00e0 s\u00e0ng, n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n theo t\u1ef7 l\u1ec7 mol c\u1ee7a Mg v\u00e0 Si l\u00e0 2:1, v\u00e0 m\u1ed9t l\u01b0\u1ee3ng fluorit th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c th\u00eam v\u00e0o l\u00e0m ch\u1ea5t x\u00fac t\u00e1c. C\u00e1c c\u1ee5c h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh c\u00e1c qu\u1ea3 b\u00f3ng v\u00e0 \u0111\u01b0\u1ee3c kh\u1eed b\u1eb1ng silicon<\/a> \u1edf nhi\u1ec7t \u0111\u1ed9 1150-1200C \u0111\u1ec3 t\u1ea1o ra canxi silicat v\u00e0 magie. Dolomite l\u00e0 v\u1eadt li\u1ec7u ph\u1ee5 tr\u1ee3 quan tr\u1ecdng cho qu\u00e1 tr\u00ecnh luy\u1ec7n th\u00e9p v\u00e0 thi\u00eau k\u1ebft trong ng\u00e0nh luy\u1ec7n kim.<\/p>\n
\nL\u00e0 nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a v\u1eadt li\u1ec7u xi m\u0103ng magi\u00ea: dolomite \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Dolomite b\u1ecb ph\u00e2n h\u1ee7y m\u1ed9t ph\u1ea7n \u0111\u1ec3 t\u1ea1o ra oxit magi\u00ea v\u00e0 canxi cacbonat, sau \u0111\u00f3 dung d\u1ecbch v\u00e0 c\u1ed1t li\u1ec7u magi\u00ea oxit \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 khu\u1ea5y v\u00e0 t\u1ea1o th\u00e0nh, v\u00e0 v\u1eadt li\u1ec7u xi m\u0103ng s\u1eaft-amoniac c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u01b0\u1ee3c t\u1ea1o ra sau khi \u0111\u00f3ng r\u1eafn. V\u1eadt li\u1ec7u xi m\u0103ng Ferro-amoniac ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t h\u1ed9p \u0111\u00f3ng g\u00f3i l\u1edbn v\u00e0 th\u1ebf h\u1ec7 th\u1ee9 8 c\u1ee7a Ph\u1ed1 Suifeng. Ch\u00fang c\u00f3 tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng m\u1edbi. Dolomite chi\u1ebfm kho\u1ea3ng 15% h\u1ed7n h\u1ee3p k\u00ednh n\u1ed5i.<\/p>\n
\nTrong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, \u0111\u00e1 c\u1ea9m th\u1ea1ch ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c h\u1ee3p ch\u1ea5t magie, \u0111\u00e2y c\u0169ng l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u0103ng gi\u00e1 tr\u1ecb gia t\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00e1 c\u1ea9m th\u1ea1ch. C\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p ch\u00ednh l\u00e0 oxit magi\u00ea, magi\u00ea cacbonat nh\u1eb9, magi\u00ea hydroxit v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m mu\u1ed1i magi\u00ea kh\u00e1c nhau. Magi\u00ea cacbonat nh\u1eb9 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 magi\u00ea cacbonat c\u01a1 b\u1ea3n ng\u1eadm n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p ho\u1eb7c magi\u00ea cacbonat c\u01a1 b\u1ea3n. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng xMgCO3 yMg(OH)2 zHO. Tinh th\u1ec3 \u0111\u01a1n nghi\u00eang m\u00e0u tr\u1eafng ho\u1eb7c b\u1ed9t v\u00f4 \u0111\u1ecbnh h\u00ecnh, kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng m\u00f9i, t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i 2,16, \u1ed5n \u0111\u1ecbnh trong kh\u00f4ng kh\u00ed. \u00cdt tan trong n\u01b0\u1edbc, dung d\u1ecbch n\u01b0\u1edbc c\u00f3 t\u00ednh ki\u1ec1m y\u1ebfu. D\u1ec5 h\u00f2a tan trong axit v\u00e0 dung d\u1ecbch mu\u1ed1i amoni, ph\u1ea3n \u1ee9ng v\u1edbi axit t\u1ea1o ra mu\u1ed1i magie v\u00e0 gi\u1ea3i ph\u00f3ng carbon dioxide. Nhi\u1ec7t ph\u00e2n \u1edf nhi\u1ec7t \u0111\u1ed9 cao bi\u1ebfn th\u00e0nh oxit magi\u00ea.<\/p>\n
\nTrong n\u00f4ng nghi\u1ec7p, dolomite c\u00f3 th\u1ec3 trung h\u00f2a c\u00e1c ch\u1ea5t chua trong \u0111\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i t\u1ea1o \u0111\u1ea5t. \u0110\u1ed3ng th\u1eddi, magi\u00ea c\u00f3 trong dolomite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ph\u00e2n b\u00f3n magi\u00ea \u0111\u1ec3 b\u1ed5 sung magi\u00ea trong c\u00e2y tr\u1ed3ng: dolomite \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u1ee9c \u0103n nh\u01b0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia th\u1ee9c \u0103n \u0111\u1ec3 t\u0103ng l\u01b0\u1ee3ng canxi v\u00e0 magi\u00ea c\u1ee7a gia c\u1ea7m v\u00e0 v\u1eadt nu\u00f4i v\u00e0 t\u0103ng c\u01b0\u1eddng dinh d\u01b0\u1ee1ng cho gia c\u1ea7m v\u00e0 v\u1eadt nu\u00f4i. ch\u0103n nu\u00f4i.
\nTrong l\u0129nh v\u1ef1c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, sau khi hydrat h\u00f3a v\u00e0 ti\u00eau h\u00f3a b\u1ed9t dolomit nung, n\u00f3 ch\u1ee7 y\u1ebfu ch\u1ee9a magi\u00ea hydroxit v\u00e0 canxi hydroxit, c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c kh\u00ed nh\u01b0 carbon dioxide v\u00e0 sulfur dioxide trong kh\u00ed th\u1ea3i. Do \u0111\u00f3, b\u1ed9t dolomite nung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00e1ch carbon dioxide trong kh\u00ed th\u1ea3i (ECRS); dolomite c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u00f2 kh\u00ed h\u00f3a \u0111\u1ec3 lo\u1ea1i b\u1ecf H2S kh\u1ecfi kh\u00ed th\u1ea3i: s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao v\u00e0 s\u1ef1 h\u1ea5p ph\u1ee5 c\u1ee7a canxi hydroxit v\u00e0 magie hydroxit \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch hydrat h\u00f3a oxit magi\u00ea ho\u1ea1t \u0111\u1ed9ng trong b\u1ed9t dolomite nung, dolomite nung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u l\u1ecdc cho x\u1eed l\u00fd n\u01b0\u1edbc sinh ho\u1ea1t v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ion kim lo\u1ea1i nh\u01b0 s\u1eaft v\u00e0 mangan trong n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"