{"id":109812,"date":"2021-08-19T17:04:59","date_gmt":"2021-08-19T09:04:59","guid":{"rendered":"https:\/\/www.alpapowder.com\/109812\/"},"modified":"2021-08-19T17:04:59","modified_gmt":"2021-08-19T09:04:59","slug":"bot-thach-anh-sieu-min-dien-tu-co-do-tinh-khiet-cao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/109812\/","title":{"rendered":"B\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn \u0111i\u1ec7n t\u1eed c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao"},"content":{"rendered":"<p>Trong \u0111\u00f3ng g\u00f3i m\u1ea1ch t\u00edch h\u1ee3p b\u00e1n d\u1eabn, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 h\u1ed7 tr\u1ee3 chip b\u00e1n d\u1eabn, b\u1ea3o v\u1ec7 chip, t\u1ea3n nhi\u1ec7t cho chip, c\u00e1ch \u0111i\u1ec7n chip v\u00e0 k\u1ebft n\u1ed1i gi\u1eefa chip v\u1edbi m\u1ea1ch b\u00ean ngo\u00e0i v\u00e0 \u0111\u01b0\u1eddng d\u1eabn quang. Trong v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed, ch\u1ea5t l\u00e0m \u0111\u1ea7y chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn h\u01a1n. B\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n<h4>Y\u00eau c\u1ea7u v\u1ec1 b\u1ed9t th\u1ea1ch anh cho bao b\u00ec \u0111i\u1ec7n t\u1eed<\/h4>\n<ul>\n<li><strong>\u0110\u1ed9 tinh khi\u1ebft cao v\u00e0 si\u00eau m\u1ecbn<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\">C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng truy\u1ec1n th\u1ed1ng c\u1ee7a b\u1ed9t th\u1ea1ch anh<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"212\">L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/td>\n<td width=\"870\">\u0110\u01a1n xin<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t<\/td>\n<td width=\"870\">B\u1ed9t <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> v\u00f4 \u0111\u1ecbnh h\u00ecnh, ch\u1ea5t \u0111\u1ed9n th\u00e1p axit sunfuric, nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a th\u1ee7y tinh n\u01b0\u1edbc, nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a h\u1ee3p ch\u1ea5t silic, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Luy\u1ec7n kim<\/td>\n<td width=\"870\">Nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c ph\u1ee5 gia, ch\u1ea5t tr\u1ee3 dung, v.v. b\u1eb1ng h\u1ee3p kim nh\u00f4m silic, h\u1ee3p kim ferrosilicon, silic kim lo\u1ea1i, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">C\u1ed1c th\u1ee7y tinh<\/td>\n<td width=\"870\">S\u1ea3n ph\u1ea9m th\u1ee7y tinh, th\u1ee7y tinh ph\u1eb3ng, th\u1ee7y tinh quang h\u1ecdc, s\u1ee3i th\u1ee7y tinh, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Ng\u00e0nh ki\u1ebfn \u200b\u200btr\u00fac<\/td>\n<td width=\"870\">\u0110\u00e1 c\u1ea9m th\u1ea1ch nh\u00e2n t\u1ea1o, b\u00ea t\u00f4ng, v\u1eadt li\u1ec7u k\u1ebft d\u00ednh xi m\u0103ng, c\u00e1t ti\u00eau chu\u1ea9n xi m\u0103ng, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">G\u1ed1m s\u1ee9 v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda<\/td>\n<td width=\"870\">G\u1ea1ch c\u00f3 h\u00e0m l\u01b0\u1ee3ng <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> cao v\u00e0 kho\u1ea3ng tr\u1eafng b\u1eb1ng g\u1ed1m d\u00f9ng trong l\u00f2 nung, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Cao su, nh\u1ef1a<\/td>\n<td width=\"870\">Ch\u1ea5t l\u00e0m \u0111\u1ea7y \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">S\u01a1n<\/td>\n<td width=\"870\">Ch\u1ea5t l\u00e0m \u0111\u1ea7y \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">M\u00e1y m\u00f3c<\/td>\n<td width=\"870\">Nguy\u00ean li\u1ec7u ch\u00ednh c\u1ee7a c\u00e1t \u0111\u00fac, phun c\u00e1t, gi\u1ea5y nh\u00e1m, g\u1ea1c, v.v.<\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/td>\n<td width=\"870\"><a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"Silicon\" data-wpil-keyword-link=\"linked\">Silicon<\/a> kim lo\u1ea1i c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, s\u1ee3i quang \u0111\u1ec3 li\u00ean l\u1ea1c, v.v.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t axit v\u00e0 nhi\u1ec7t, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i; gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t, t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 n\u01b0\u1edbc, t\u1ef7 l\u1ec7 co ng\u00f3t trong khu\u00f4n v\u00e0 t\u1ef7 l\u1ec7 chi ph\u00ed c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. B\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t m\u1ef1c \u0111i\u1ec7n t\u1eed, s\u1ee3i quang h\u1ecdc, g\u1ed1m s\u1ee9 ch\u00ednh x\u00e1c ti\u00ean ti\u1ebfn, m\u00e0i ch\u00ednh x\u00e1c c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc v\u00e0 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed,\u2026 Trong \u0111\u00f3 quan tr\u1ecdng nh\u1ea5t l\u00e0 trong l\u0129nh v\u1ef1c bao b\u00ec \u0111i\u1ec7n t\u1eed. B\u1ed9t th\u1ea1ch anh cho bao b\u00ec \u0111i\u1ec7n t\u1eed ph\u1ea3i c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 si\u00eau m\u1ecbn. N\u00f3i chung, \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a SiO2 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u tr\u00ean 99,99%, Fe2O3 nh\u1ecf h\u01a1n 5ppm v\u00e0 t\u1ed5ng l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u nh\u1ecf h\u01a1n 300ppm.<\/p>\n<ul>\n<li><b><\/b><strong>H\u00ecnh c\u1ea7u h\u00f3a<\/strong><\/li>\n<\/ul>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p vi \u0111i\u1ec7n t\u1eed, c\u00e1c vi m\u1ea1ch t\u00edch h\u1ee3p quy m\u00f4 l\u1edbn v\u00e0 si\u00eau l\u1edbn ng\u00e0y c\u00e0ng c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. Kh\u00f4ng ch\u1ec9 si\u00eau m\u1ecbn v\u00e0 \u0111\u1ed9 tinh khi\u1ebft cao, m\u00e0 h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 ph\u00f3ng x\u1ea1 th\u1ea5p c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng h\u1ea1t. C\u00e1c y\u00eau c\u1ea7u v\u1ec1 h\u00ecnh c\u1ea7u.<\/p>\n<p>B\u1ed9t th\u1ea1ch anh h\u00ecnh c\u1ea7u si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p, t\u1ea1p ch\u1ea5t th\u1ea5p, \u1ee9ng su\u1ea5t th\u1ea5p, \u0111\u1ed9 gi\u00e3n n\u1edf th\u1ea5p, ch\u1ea5t \u0111i\u1ec7n m\u00f4i cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao, \u0111\u1ed9 \u1ea9m cao v\u00e0 \u0111\u1ed9 l\u1ea5p \u0111\u1ea7y cao.<\/p>\n<p>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a qu\u1ea3 b\u00f3ng l\u00e0 nh\u1ecf nh\u1ea5t, t\u00ednh \u0111\u1eb3ng h\u01b0\u1edbng t\u1ed1t, n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ec1u v\u1edbi nh\u1ef1a \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u00e0ng, l\u01b0\u1ee3ng nh\u1ef1a th\u00eam v\u00e0o \u00edt, v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng l\u00e0 t\u1ed1t nh\u1ea5t. T\u1ef7 l\u1ec7 l\u1ea5p \u0111\u1ea7y b\u1ed9t th\u1ea1ch anh c\u00e0ng cao, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00fac c\u00e0ng nh\u1ecf v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u00e0ng th\u1ea5p, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"silicon\" data-wpil-keyword-link=\"linked\">silicon<\/a> \u0111\u01a1n tinh th\u1ec3 c\u00e0ng g\u1ea7n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb \u0111\u00f3 c\u00e0ng t\u1ed1t.<\/p>\n<p>H\u1ee3p ch\u1ea5t \u0111\u00fac nh\u1ef1a l\u00e0m b\u1eb1ng b\u1ed9t h\u00ecnh c\u1ea7u c\u00f3 n\u1ed3ng \u0111\u1ed9 \u1ee9ng su\u1ea5t nh\u1ecf nh\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n cao nh\u1ea5t. Khi n\u1ed3ng \u0111\u1ed9 \u1ee9ng su\u1ea5t c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00fac b\u1ed9t g\u00f3c l\u00e0 1, \u1ee9ng su\u1ea5t c\u1ee7a b\u1ed9t h\u00ecnh c\u1ea7u ch\u1ec9 b\u1eb1ng 0,6. Do \u0111\u00f3, h\u1ee3p ch\u1ea5t \u0111\u00fac b\u1ed9t h\u00ecnh c\u1ea7u c\u00f3 n\u0103ng su\u1ea5t cao khi \u0111\u00f3ng g\u00f3i c\u00e1c chip m\u1ea1ch t\u00edch h\u1ee3p. Kh\u00f4ng d\u1ec5 x\u1ea3y ra h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n<p>H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a b\u1ed9t h\u00ecnh c\u1ea7u nh\u1ecf, \u0111\u1ed9 m\u00f2n tr\u00ean khu\u00f4n nh\u1ecf n\u00ean tu\u1ed5i th\u1ecd c\u1ee7a khu\u00f4n \u0111\u01b0\u1ee3c l\u00e2u d\u00e0i. C\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf.<\/p>\n<h4>Chu\u1ea9n b\u1ecb b\u1ed9t th\u1ea1ch anh h\u00ecnh c\u1ea7u si\u00eau m\u1ecbn \u0111i\u1ec7n t\u1eed c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/h4>\n<p>C\u00e1c chuy\u00ean gia ch\u1ec9 ra r\u1eb1ng mi\u1ec5n l\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, t\u1ed1t nh\u1ea5t n\u00ean s\u1eed d\u1ee5ng th\u1ea1ch anh k\u1ebft tinh t\u1ef1 nhi\u00ean l\u00e0m nguy\u00ean li\u1ec7u th\u00f4, v\u1edbi chi ph\u00ed th\u1ea5p v\u00e0 d\u00e2y chuy\u1ec1n quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n h\u01a1n. Nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a th\u1ea1ch anh bao g\u1ed3m \u0111\u00e1 th\u1ea1ch anh, th\u1ea1ch anh v\u00e2n, c\u00e1t k\u1ebft th\u1ea1ch anh, th\u1ea1ch anh d\u1ea1ng b\u1ed9t v\u00e0 c\u00e1t th\u1ea1ch anh.<\/p>\n<p>Kho\u00e1ng ch\u1ea5t th\u1ea1ch anh t\u1ef1 nhi\u00ean ch\u1ee9a m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c t\u1ea1p ch\u1ea5t v\u00e0 v\u1ebft n\u1ee9t. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 nghi\u1ec1n b\u1ed9t si\u00eau m\u1ecbn c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng v\u1ebft n\u1ee9t v\u00e0 khuy\u1ebft t\u1eadt. K\u1ebft h\u1ee3p v\u1edbi qu\u00e1 tr\u00ecnh thanh l\u1ecdc, h\u00e0m l\u01b0\u1ee3ng c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u t\u1ed1t h\u01a1n.<\/p>\n<p>\u0110\u1ea7u ti\u00ean nghi\u1ec1n nhi\u1ec7t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 nghi\u1ec1n, gi\u1ea3m t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb v\u00e0 gi\u1ea3m chi ph\u00ed nghi\u1ec1n.<\/p>\n<p>Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u m\u00e0i l\u00e0 ch\u1ecdn \u00edt m\u00e0i m\u00f2n, \u0111\u1ed9 c\u1ee9ng cao v\u00e0 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 1 ~ 5mm.<\/p>\n<p>\u0110\u1ed1i v\u1edbi b\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n khu\u1ea5y, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-87263 size-full aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/2Anhui-1-ton-particle-size-D5057-67\u03bcm-silicon-micropowder-3.jpg\" alt=\"\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/2Anhui-1-ton-particle-size-D5057-67\u03bcm-silicon-micropowder-3.jpg 960w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/2Anhui-1-ton-particle-size-D5057-67\u03bcm-silicon-micropowder-3-300x225.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/2Anhui-1-ton-particle-size-D5057-67\u03bcm-silicon-micropowder-3-768x576.jpg 768w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/2Anhui-1-ton-particle-size-D5057-67\u03bcm-silicon-micropowder-3-uai-720x540.jpg 720w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<ul>\n<li><b><\/b><strong>C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t th\u1ea1ch anh \u2192 t\u00e1ch t\u1eeb t\u00ednh \u2192 tuy\u1ec3n n\u1ed5i \u2192 nghi\u1ec1n si\u00eau m\u1ecbn \u2192 ng\u00e2m chua \u2192 l\u00e0m s\u1ea1ch kh\u1eed tr\u00f9ng \u2192 l\u1ecdc \u00e9p kh\u1eed n\u01b0\u1edbc \u2192 s\u1ea5y kh\u00f4 \u2192 ph\u00e1 v\u1ee1 \u2192 th\u00e0nh ph\u1ea9m<\/p>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n xu\u1ea5t b\u1ed9t th\u1ea1ch anh kh\u00f4 l\u00e0 r\u00f5 r\u00e0ng: chi ph\u00ed s\u1ea3n xu\u1ea5t to\u00e0n di\u1ec7n th\u1ea5p, s\u1ea3n l\u01b0\u1ee3ng cao v\u00e0 d\u1ec5 d\u00e0ng ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh. Tuy nhi\u00ean, b\u1ee5i qu\u00e1 l\u1edbn v\u00e0 c\u00f3 gi\u1edbi h\u1ea1n nghi\u1ec1n th\u00ec kh\u00f3 t\u1ea1o ra b\u1ed9t th\u1ea1ch anh c\u00f3 k\u00edch th\u01b0\u1edbc micromet. Do \u0111\u00f3, quy tr\u00ecnh \u01b0\u1edbt th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi s\u1ea3n xu\u1ea5t b\u1ed9t th\u1ea1ch anh h\u00ecnh c\u1ea7u si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n<ul>\n<li><b><\/b><strong>Qu\u00e1 tr\u00ecnh thanh l\u1ecdc<\/strong><\/li>\n<\/ul>\n<ol>\n<li>thanh l\u1ecdc v\u1eadt l\u00fd<\/li>\n<\/ol>\n<p>R\u1eeda v\u00e0 ph\u00e2n lo\u1ea1i n\u01b0\u1edbc kh\u1eed c\u1eb7n, c\u1ecd r\u1eeda, t\u00e1ch t\u1eeb t\u00ednh v\u00e0 tuy\u1ec3n n\u1ed5i. Nh\u01b0ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ed9t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao th\u00ec b\u1ed9t th\u1ea1ch anh ph\u1ea3i \u0111\u01b0\u1ee3c tinh ch\u1ebf v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc.<\/p>\n<ol start=\"2\">\n<li>thanh l\u1ecdc h\u00f3a h\u1ecdc<\/li>\n<\/ol>\n<p>L\u1ecdc axit: Nguy\u00ean t\u1eafc l\u00e0 s\u1eed d\u1ee5ng axit kh\u00f4ng h\u00f2a tan, nh\u01b0ng c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00f2a tan trong axit, v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t trong b\u1ed9t th\u1ea1ch anh \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch r\u1eeda axit \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch tinh ch\u1ebf. C\u00e1c axit th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 axit clohydric, axit sunfuric, axit nitric, axit flohydric v\u00e0 axit oxalic.<\/p>\n<ul>\n<li><b><\/b><strong>Qu\u00e1 tr\u00ecnh h\u00ecnh c\u1ea7u<\/strong><\/li>\n<\/ul>\n<p>Vi\u1ec7c nghi\u00ean c\u1ee9u b\u1ed9t th\u1ea1ch anh h\u00ecnh c\u1ea7u si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u1ee7a Trung Qu\u1ed1c \u0111\u00e3 b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e3 tr\u1ea3i qua ba l\u1ea7n \u0111i\u1ec1u ch\u1ec9nh: ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p plasma t\u1ea7n s\u1ed1 cao AC, ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p plasma DC v\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ed3 quang h\u00ecnh th\u00e0nh b\u1eb1ng \u0111i\u1ec7n c\u1ef1c carbon. M\u1ea5u ch\u1ed1t c\u1ee7a c\u00f4ng ngh\u1ec7 l\u00e0 thi\u1ebft b\u1ecb gia nhi\u1ec7t c\u1ea7n c\u00f3 tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, d\u1ea3i nhi\u1ec7t \u0111\u1ed9 d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 m\u00f4i tr\u01b0\u1eddng ngu\u1ed3n nhi\u1ec7t s\u1ea1ch s\u1ebd kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p cho b\u1ed9t th\u1ea1ch anh. Hi\u1ec7n kh\u00f4ng c\u00f3 b\u00e1o c\u00e1o n\u00e0o v\u1ec1 h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p h\u00f3a.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p phun nung ch\u1ea3y nhi\u1ec7t \u0111\u1ed9 cao <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1c, ph\u01b0\u01a1ng ph\u00e1p ng\u1ecdn l\u1eeda kh\u00ed, \u0111i\u1ec1u khi\u1ec3n pha l\u1ecfng ethyl orthosilicat, ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y ph\u00e2n silic tetroxide.<\/p>\n<h4>Ph\u00e2n t\u00edch hi\u1ec7n tr\u1ea1ng v\u00e0 tri\u1ec3n v\u1ecdng<\/h4>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n h\u01a1n n\u1eefa c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed, l\u00e0n s\u00f3ng ph\u00e1t tri\u1ec3n th\u1ee9 t\u01b0 c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed ch\u1eafc ch\u1eafn s\u1ebd m\u1edf ra h\u1ec7 th\u1ed1ng trong g\u00f3i, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 xu\u1ea5t hi\u1ec7n \u0111\u1ed9t ng\u1ed9t c\u1ee7a th\u1ecb tr\u01b0\u1eddng b\u1ed9t th\u1ea1ch anh h\u00ecnh c\u1ea7u.<\/p>\n<p>V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a khoa h\u1ecdc k\u1ef9 thu\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 vi \u0111i\u1ec7n t\u1eed, nhu c\u1ea7u v\u1ec1 b\u1ed9t th\u1ea1ch anh \u0111i\u1ec7n t\u1eed c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 si\u00eau m\u1ecbn t\u0103ng l\u00ean g\u1ea5p \u0111\u00f4i, y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng cao. T\u00edch c\u1ef1c kh\u00e1m ph\u00e1 v\u00e0 th\u00fac \u0111\u1ea9y ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 tinh ch\u1ebf v\u00e0 th\u1ee5 h\u01b0\u1edfng th\u1ea1ch anh, \u0111\u1ed3ng th\u1eddi hi\u1ec7n th\u1ef1c h\u00f3a vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn, chi ph\u00ed th\u1ea5p c\u1ee7a th\u1ea1ch anh tinh ch\u1ebf, th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 si\u00eau cao, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u00f9 \u0111\u1eafp s\u1ef1 thi\u1ebfu h\u1ee5t t\u00e0i nguy\u00ean tinh th\u1ec3 t\u1ef1 nhi\u00ean v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 b\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao d\u00f9ng trong c\u00f4ng ngh\u1ec7 cao. \u00dd ngh\u0129a th\u1ef1c t\u1ebf c\u1ee7a.<\/p>\n<p>&nbsp;<\/p>\n<p>Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong \u0111\u00f3ng g\u00f3i m\u1ea1ch t\u00edch h\u1ee3p b\u00e1n d\u1eabn, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 h\u1ed7 tr\u1ee3 chip b\u00e1n d\u1eabn, b\u1ea3o v\u1ec7 chip, t\u1ea3n nhi\u1ec7t cho chip, c\u00e1ch \u0111i\u1ec7n chip v\u00e0 k\u1ebft n\u1ed1i gi\u1eefa chip v\u1edbi m\u1ea1ch b\u00ean ngo\u00e0i v\u00e0 \u0111\u01b0\u1eddng d\u1eabn quang. Trong v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed, ch\u1ea5t l\u00e0m \u0111\u1ea7y chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn h\u01a1n. B\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n","protected":false},"author":6,"featured_media":109788,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-109812","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\/109812","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=109812"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/109812\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/109788"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=109812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=109812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=109812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}