CN101905885A - 一种用于提纯硅的低硼熔渣及其制备方法 - Google Patents
一种用于提纯硅的低硼熔渣及其制备方法 Download PDFInfo
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- CN101905885A CN101905885A CN2009101026050A CN200910102605A CN101905885A CN 101905885 A CN101905885 A CN 101905885A CN 2009101026050 A CN2009101026050 A CN 2009101026050A CN 200910102605 A CN200910102605 A CN 200910102605A CN 101905885 A CN101905885 A CN 101905885A
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- Prior art keywords
- boron
- slag
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- low
- silicon
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- 229910052796 boron Inorganic materials 0.000 title claims abstract description 59
- 239000002893 slag Substances 0.000 title claims abstract description 59
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 45
- 239000010703 silicon Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910002974 CaO–SiO2 Inorganic materials 0.000 claims abstract description 18
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 11
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 18
- 239000012752 auxiliary agent Substances 0.000 claims description 18
- 239000001110 calcium chloride Substances 0.000 claims description 15
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 11
- 239000005049 silicon tetrachloride Substances 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims description 6
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 5
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 5
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 5
- 238000010189 synthetic method Methods 0.000 claims description 5
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 4
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 4
- 229910052728 basic metal Inorganic materials 0.000 claims description 4
- 150000003818 basic metals Chemical class 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000003828 vacuum filtration Methods 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003317 industrial substance Substances 0.000 abstract description 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 150000001340 alkali metals Chemical class 0.000 abstract 2
- 239000002585 base Substances 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 230000000536 complexating effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KPSZQYZCNSCYGG-UHFFFAOYSA-N [B].[B] Chemical compound [B].[B] KPSZQYZCNSCYGG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN2009101026050A CN101905885A (zh) | 2009-06-05 | 2009-06-05 | 一种用于提纯硅的低硼熔渣及其制备方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102145894A (zh) * | 2011-05-16 | 2011-08-10 | 大连隆田科技有限公司 | 一种电子束及渣滤熔炼提纯多晶硅的方法及设备 |
CN102259865A (zh) * | 2011-06-01 | 2011-11-30 | 宁夏银星多晶硅有限责任公司 | 一种冶金法多晶硅渣洗除硼工艺 |
CN102432021A (zh) * | 2011-09-16 | 2012-05-02 | 江西盛丰新能源科技有限公司 | 制备多晶硅的方法 |
CN102703985A (zh) * | 2012-06-26 | 2012-10-03 | 上海太阳能电池研究与发展中心 | 一种电场与熔盐作用下制备高纯多晶硅的方法 |
CN103276446A (zh) * | 2013-06-06 | 2013-09-04 | 青岛隆盛晶硅科技有限公司 | 一种介质熔炼后渣剂再利用的方法 |
WO2014004441A1 (en) * | 2012-06-25 | 2014-01-03 | Silicor Materials Inc. | Flux composition useful in directional solidification for purifying silicon |
CN104291340A (zh) * | 2013-10-15 | 2015-01-21 | 中兴能源(唐山)节能有限公司 | 一种工业硅中除磷的方法 |
CN108467043A (zh) * | 2018-03-06 | 2018-08-31 | 昆明理工大学 | 一种含氯硅酸钙渣剂与湿氧混合气体协同强化精炼提纯工业硅的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1628076A (zh) * | 2002-02-04 | 2005-06-15 | 夏普株式会社 | 提纯硅的方法、用于提纯硅的矿渣和提纯的硅 |
CN101293653A (zh) * | 2008-06-23 | 2008-10-29 | 昆明理工大学 | 一种提纯硅废料制备高纯硅的方法 |
-
2009
- 2009-06-05 CN CN2009101026050A patent/CN101905885A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1628076A (zh) * | 2002-02-04 | 2005-06-15 | 夏普株式会社 | 提纯硅的方法、用于提纯硅的矿渣和提纯的硅 |
CN101293653A (zh) * | 2008-06-23 | 2008-10-29 | 昆明理工大学 | 一种提纯硅废料制备高纯硅的方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102145894A (zh) * | 2011-05-16 | 2011-08-10 | 大连隆田科技有限公司 | 一种电子束及渣滤熔炼提纯多晶硅的方法及设备 |
CN102145894B (zh) * | 2011-05-16 | 2013-06-05 | 青岛隆盛晶硅科技有限公司 | 一种电子束及渣滤熔炼提纯多晶硅的方法及设备 |
CN102259865A (zh) * | 2011-06-01 | 2011-11-30 | 宁夏银星多晶硅有限责任公司 | 一种冶金法多晶硅渣洗除硼工艺 |
CN102259865B (zh) * | 2011-06-01 | 2013-04-10 | 宁夏银星多晶硅有限责任公司 | 一种冶金法多晶硅渣洗除硼工艺 |
CN102432021A (zh) * | 2011-09-16 | 2012-05-02 | 江西盛丰新能源科技有限公司 | 制备多晶硅的方法 |
CN102432021B (zh) * | 2011-09-16 | 2013-02-20 | 江西盛丰新能源科技有限公司 | 制备多晶硅的方法 |
TWI498282B (zh) * | 2012-06-25 | 2015-09-01 | Silicor Materials Inc | 適用在用於純化矽之定向凝固之助熔劑組合物及其方法 |
US9512008B2 (en) | 2012-06-25 | 2016-12-06 | Silicor Materials, Inc. | Flux composition useful in directional solidification for purifying silicon |
WO2014004441A1 (en) * | 2012-06-25 | 2014-01-03 | Silicor Materials Inc. | Flux composition useful in directional solidification for purifying silicon |
CN102703985A (zh) * | 2012-06-26 | 2012-10-03 | 上海太阳能电池研究与发展中心 | 一种电场与熔盐作用下制备高纯多晶硅的方法 |
CN103276446B (zh) * | 2013-06-06 | 2015-09-09 | 青岛隆盛晶硅科技有限公司 | 一种介质熔炼后渣剂再利用的方法 |
CN103276446A (zh) * | 2013-06-06 | 2013-09-04 | 青岛隆盛晶硅科技有限公司 | 一种介质熔炼后渣剂再利用的方法 |
CN104291340A (zh) * | 2013-10-15 | 2015-01-21 | 中兴能源(唐山)节能有限公司 | 一种工业硅中除磷的方法 |
CN104291340B (zh) * | 2013-10-15 | 2016-08-10 | 中兴能源(唐山)节能有限公司 | 一种工业硅中除磷的方法 |
CN108467043A (zh) * | 2018-03-06 | 2018-08-31 | 昆明理工大学 | 一种含氯硅酸钙渣剂与湿氧混合气体协同强化精炼提纯工业硅的方法 |
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