{"id":117265,"date":"2022-06-26T10:10:20","date_gmt":"2022-06-26T02:10:20","guid":{"rendered":"https:\/\/www.alpapowder.com\/117265\/"},"modified":"2022-06-23T15:09:01","modified_gmt":"2022-06-23T07:09:01","slug":"7-loai-va-cong-dung-cua-mo-thach-anh","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117265\/","title":{"rendered":"7 lo\u1ea1i v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a m\u1ecf th\u1ea1ch anh"},"content":{"rendered":"

\"\"<\/p>\n

C\u00e1c m\u1ecf th\u1ea1ch anh t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u ngu\u1ed3n g\u1ed1c kh\u00e1c nhau. Hi\u1ec7n nay, c\u00e1c lo\u1ea1i tr\u1ea7m t\u00edch th\u1ea1ch anh ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p c\u00f3 s\u1eb5n \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng bao g\u1ed3m tinh th\u1ec3 t\u1ef1 nhi\u00ean, c\u00e1t k\u1ebft th\u1ea1ch anh, quartzit, th\u1ea1ch anh d\u1ea1ng m\u1ea1ch, th\u1ea1ch anh b\u1ed9t, c\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean v\u00e0 th\u1ea1ch anh granit.<\/p>\n

1. Pha l\u00ea t\u1ef1 nhi\u00ean<\/p>\n

Pha l\u00ea t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t tinh th\u1ec3 th\u1ea1ch anh l\u1edbn trong su\u1ed1t, th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 silicon<\/a> dioxide. C\u00e1c tinh th\u1ec3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 ph\u00e1t tri\u1ec3n t\u1ef1 nhi\u00ean trong c\u00e1c hang \u0111\u1ed9ng, c\u00e1c v\u1ebft n\u1ee9t \u0111\u00e1 ho\u1eb7c c\u00e1c kh\u1edbp n\u1ed1i v\u00e0 c\u00e1c \u0111\u1ee9t g\u00e3y. \u0110i\u1ec1u ki\u1ec7n sinh tr\u01b0\u1edfng c\u1ee7a ch\u00fang t\u01b0\u01a1ng \u0111\u1ed1i kh\u1eafc nghi\u1ec7t, \u0111\u1ed3ng th\u1eddi ph\u1ea3i \u0111\u00e1p \u1ee9ng b\u1ed1n \u0111i\u1ec1u ki\u1ec7n: kh\u00f4ng gian sinh tr\u01b0\u1edfng r\u1ed9ng r\u00e3i, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p ch\u1ea5t l\u1ecfng th\u1ee7y nhi\u1ec7t gi\u00e0u silica<\/a>, v\u00e0 m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. v\u00e0 c\u0103ng th\u1eb3ng, \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 ph\u00e1t tri\u1ec3n.<\/p>\n

C\u00e1c m\u1ecf tinh th\u1ec3 t\u1ef1 nhi\u00ean c\u00f3 tr\u1eef l\u01b0\u1ee3ng nh\u1ecf, \u0111i\u1ec1u ki\u1ec7n khai th\u00e1c k\u00e9m, t\u00e0i nguy\u00ean khan hi\u1ebfm, gi\u00e1 c\u1ea3 cao n\u00ean kh\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn. Tuy nhi\u00ean, do pha l\u00ea t\u1ef1 nhi\u00ean c\u00f3 m\u00e0u s\u1eafc phong ph\u00fa, trong v\u1eaft, \u0111\u1eb9p v\u00e0 tinh khi\u1ebft n\u00ean hi\u1ec7n nay n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ea1m kh\u1eafc c\u00e1c m\u1eb7t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7.<\/p>\n

2. \u0110\u00e1 sa th\u1ea1ch th\u1ea1ch anh<\/p>\n

\u0110\u00e1 sa th\u1ea1ch th\u1ea1ch anh l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00e1 tr\u1ea7m t\u00edch c\u00e1t \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 b\u1edfi qu\u00e1 tr\u00ecnh tr\u1ea7m t\u00edch. H\u00e0m l\u01b0\u1ee3ng c\u1ee7a th\u1ea1ch anh v\u00e0 clorua silic n\u00f3i chung l\u00e0> 95%. C\u00e1c kho\u00e1ng ch\u1ea5t ph\u1ee5 ph\u1ea7n l\u1edbn l\u00e0 felspat, mica v\u00e0 kho\u00e1ng s\u00e9t, v\u00e0 xi m\u0103ng n\u00f3i chung l\u00e0 silic.<\/p>\n

C\u00e1c m\u1ecf sa th\u1ea1ch th\u1ea1ch anh nh\u00ecn chung c\u00f3 quy m\u00f4 l\u1edbn, \u0111\u1ecba ch\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i\u1ec1u ki\u1ec7n khai th\u00e1c t\u1ed1t. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 c\u1ee9ng c\u1ee7a qu\u1eb7ng nh\u00ecn chung t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, c\u1ee1 h\u1ea1t t\u1ef1 nhi\u00ean v\u1eeba ph\u1ea3i, d\u1ec5 b\u1ecb b\u1ebb g\u00e3y, ph\u00e2n lo\u1ea1i, s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn. Tuy nhi\u00ean, do th\u00e0nh ph\u1ea7n ph\u1ee9c t\u1ea1p c\u1ee7a xi m\u0103ng c\u00e1t k\u1ebft th\u1ea1ch anh, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1t th\u1ee7y tinh h\u00e0ng ng\u00e0y, s\u1ee3i th\u1ee7y tinh, silicon<\/a> kim lo\u1ea1i, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, carbon \u0111en tr\u1eafng, silicon h\u1eefu c\u01a1 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n

3. Th\u1ea1ch anh<\/p>\n

Quartzit th\u01b0\u1eddng l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00e1 bi\u1ebfn ch\u1ea5t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi c\u00e1t k\u1ebft th\u1ea1ch anh ho\u1eb7c c\u00e1c lo\u1ea1i \u0111\u00e1 silic kh\u00e1c th\u00f4ng qua qu\u00e1 tr\u00ecnh bi\u1ebfn ch\u1ea5t khu v\u1ef1c ho\u1eb7c bi\u1ebfn ch\u1ea5t ti\u1ebfp x\u00fac nhi\u1ec7t. Ngo\u00e0i c\u00e1c kho\u00e1ng v\u1eadt fenspat, mica v\u00e0 \u0111\u1ea5t s\u00e9t, c\u00e1c kho\u00e1ng ch\u1ea5t li\u00ean k\u1ebft th\u01b0\u1eddng ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf tourmaline v\u00e0 hematit. v\u00e0 zircon, v.v … So v\u1edbi c\u00e1t k\u1ebft th\u1ea1ch anh, qu\u1eb7ng th\u1ea1ch anh \u0111\u1eb7c h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n.<\/p>\n

4. Th\u1ea1ch anh xung<\/p>\n

N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t l\u1ecfng magma th\u1ee7y nhi\u1ec7t, th\u01b0\u1eddng \u1edf d\u1ea1ng c\u1ea5u tr\u00fac kh\u1ed1i \u0111\u1eb7c. Th\u00e0nh ph\u1ea7n kho\u00e1ng v\u1eadt c\u1ee7a n\u00f3 l\u00e0 \u0111\u01a1n l\u1ebb, h\u1ea7u h\u1ebft \u0111\u1ec1u l\u00e0 th\u1ea1ch anh, v\u00e0 h\u00e0m l\u01b0\u1ee3ng SiO2 n\u00f3i chung l\u00e0 tr\u00ean 99%. Tr\u1ea7m t\u00edch th\u1ea1ch anh d\u1ea1ng t\u0129nh m\u1ea1ch nh\u00ecn chung c\u00f3 quy m\u00f4 nh\u1ecf, b\u1ec1 ngo\u00e0i d\u1ed1c, th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 d\u00e0y t\u1eeb v\u00e0i m\u00e9t \u0111\u1ebfn h\u00e0ng ch\u1ee5c m\u00e9t v\u00e0 chi\u1ec1u d\u00e0i th\u01b0\u1eddng t\u1eeb m\u01b0\u1eddi \u0111\u1ebfn v\u00e0i tr\u0103m m\u00e9t. M\u1ed9t khu v\u1ef1c khai th\u00e1c c\u00f3 th\u1ec3 bao g\u1ed3m m\u1ed9t t\u0129nh m\u1ea1ch ho\u1eb7c nhi\u1ec1u t\u0129nh m\u1ea1ch.<\/p>\n

Tr\u1eef l\u01b0\u1ee3ng t\u00e0i nguy\u00ean c\u1ee7a c\u00e1c m\u1ecf th\u1ea1ch anh d\u1ea1ng m\u1ea1ch n\u00f3i chung l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, v\u00e0 \u0111\u1ed9 kh\u00f3 khai th\u00e1c t\u01b0\u01a1ng \u0111\u1ed1i cao. Tuy nhi\u00ean, do h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t th\u1ea5p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i nguy\u00ean \u1ed5n \u0111\u1ecbnh, n\u00ean n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf vi h\u1ea1t silic t\u1eeb 99% \u0111\u1ebfn 99,9% SiO2 v\u00e0 th\u1ea1ch anh h\u00e0m l\u01b0\u1ee3ng s\u1eaft th\u1ea5p. C\u00e1t, th\u1ee7y tinh quang h\u1ecdc, ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng cao kh\u00e1c.<\/p>\n

5. Th\u1ea1ch anh h\u1ed3ng<\/p>\n

Tr\u1ea7m t\u00edch phong h\u00f3a tr\u1ea7m t\u00edch th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do qu\u00e1 tr\u00ecnh phong h\u00f3a v\u00e0 ph\u00e2n h\u1ee7y c\u1ee7a \u0111\u00e1 m\u1eb9 silic trong \u0111i\u1ec1u ki\u1ec7n c\u1ea5u t\u1ea1o \u0111\u1ecba ch\u1ea5t \u0111\u1eb7c bi\u1ec7t (nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ed5 sinh, \u0111\u1ecba h\u00ecnh thoai tho\u1ea3i, \u0111\u1ecba h\u00ecnh c\u1ed5, t\u00e1c \u0111\u1ed9ng th\u1ee7y l\u1ef1c, v.v.). H\u00e0m l\u01b0\u1ee3ng th\u1ea1ch anh th\u01b0\u1eddng l\u00e0 95% ~ 98%. c\u00f3 th\u1ec3 cao t\u1edbi 99% ho\u1eb7c h\u01a1n.<\/p>\n

6. C\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean<\/p>\n

C\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng v\u1eadt c\u00e1t pha th\u1ea1ch anh nguy\u00ean li\u1ec7u v\u1edbi th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u00ednh l\u00e0 th\u1ea1ch anh, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do qu\u00e1 tr\u00ecnh phong h\u00f3a l\u00e2u d\u00e0i c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u00e1 m\u1eb9 nh\u01b0 granit, quartzit, c\u00e1t k\u1ebft v\u00e0 th\u1ea1ch anh m\u1ea1ch. C\u00e1c kho\u00e1ng ch\u1ea5t li\u00ean quan c\u1ee7a n\u00f3 bao g\u1ed3m fenspat, hom, Mica, kho\u00e1ng s\u00e9t v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t n\u1eb7ng nh\u01b0 zircon, tourmaline, ilmenit v\u00e0 amphibole ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c m\u1ecf sa kho\u00e1ng tr\u1ea7m t\u00edch bi\u1ec3n v\u00e0 sa kho\u00e1ng tr\u1ea7m t\u00edch s\u00f4ng h\u1ed3.<\/p>\n

7. \u0110\u00e1 hoa c\u01b0\u01a1ng<\/p>\n

\u0110\u1ec1 c\u1eadp \u0111\u1ebfn th\u1ea1ch anh trong \u0111\u00e1 granit h\u1ea1t l\u1edbn ho\u1eb7c granit pegmatit (\u0111\u00e1 granit tr\u1eafng) \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 h\u1ee3p nh\u1ea5t c\u1ee7a magma. Lo\u1ea1i th\u1ea1ch anh trong lo\u1ea1i ti\u1ec1n g\u1eedi n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 kho\u1ea3ng 25%, v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kho\u00e1ng ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb c\u00e1c ph\u1ea7n t\u1eed t\u1ea1p ch\u1ea5t \u1edf m\u1ee9c \u0111\u1ed9 bao g\u1ed3m ch\u1ea5t l\u1ecfng trong c\u00e1c h\u1ea1t th\u1ea1ch anh. Lo\u1ea1i ti\u1ec1n g\u1eedi n\u00e0y l\u00e0 nguy\u00ean li\u1ec7u ch\u00ednh \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, hi\u1ec7n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u1edf Spruce Pine, B\u1eafc Carolina, Hoa K\u1ef3.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c m\u1ecf th\u1ea1ch anh t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u ngu\u1ed3n g\u1ed1c kh\u00e1c nhau. Hi\u1ec7n nay, c\u00e1c lo\u1ea1i tr\u1ea7m t\u00edch th\u1ea1ch anh ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p c\u00f3 s\u1eb5n \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng bao g\u1ed3m tinh th\u1ec3 t\u1ef1 nhi\u00ean, c\u00e1t k\u1ebft th\u1ea1ch anh, quartzit, th\u1ea1ch anh d\u1ea1ng m\u1ea1ch, th\u1ea1ch anh b\u1ed9t, c\u00e1t th\u1ea1ch anh t\u1ef1 nhi\u00ean v\u00e0 th\u1ea1ch anh granit.<\/p>\n","protected":false},"author":7,"featured_media":117240,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-117265","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\/117265","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=117265"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117265\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117240"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}