CN102134076B - 一种去除冶金硅中硼杂质的方法 - Google Patents
一种去除冶金硅中硼杂质的方法 Download PDFInfo
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- CN102134076B CN102134076B CN201110025809A CN201110025809A CN102134076B CN 102134076 B CN102134076 B CN 102134076B CN 201110025809 A CN201110025809 A CN 201110025809A CN 201110025809 A CN201110025809 A CN 201110025809A CN 102134076 B CN102134076 B CN 102134076B
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- Prior art keywords
- silicon
- boron
- boron impurity
- pickling
- slag
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 61
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 41
- 239000010703 silicon Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000012535 impurity Substances 0.000 title claims abstract description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002893 slag Substances 0.000 claims abstract description 45
- 239000002253 acid Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- 230000001590 oxidative effect Effects 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- 239000007800 oxidant agent Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000005554 pickling Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002210 silicon-based material Substances 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 8
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 5
- 238000007499 fusion processing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000010583 slow cooling Methods 0.000 claims description 2
- 240000003936 Plumbago auriculata Species 0.000 claims 1
- 238000013467 fragmentation Methods 0.000 claims 1
- 238000006062 fragmentation reaction Methods 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000005406 washing Methods 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 238000010309 melting process Methods 0.000 abstract 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 241000209456 Plumbago Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019580 granularity Nutrition 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- -1 boron oxide compound Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
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CN201110025809A CN102134076B (zh) | 2011-01-25 | 2011-01-25 | 一种去除冶金硅中硼杂质的方法 |
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CN201110025809A CN102134076B (zh) | 2011-01-25 | 2011-01-25 | 一种去除冶金硅中硼杂质的方法 |
Publications (2)
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CN102134076A CN102134076A (zh) | 2011-07-27 |
CN102134076B true CN102134076B (zh) | 2012-09-05 |
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CN201110025809A Expired - Fee Related CN102134076B (zh) | 2011-01-25 | 2011-01-25 | 一种去除冶金硅中硼杂质的方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109319788A (zh) * | 2018-10-19 | 2019-02-12 | 厦门大学 | 一种采用硅铝钙合金精炼及定向凝固制备多晶硅的方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102358620B (zh) * | 2011-09-16 | 2013-04-17 | 厦门大学 | 一种金属硅中除硼的方法 |
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 |
CN104326473A (zh) * | 2014-10-20 | 2015-02-04 | 南昌大学 | 一种提高硅料酸洗除杂效果的方法 |
CN107055547A (zh) * | 2017-04-13 | 2017-08-18 | 苏州振吴电炉有限公司 | 高纯硅造渣剂的制备工艺 |
CN107311181B (zh) * | 2017-06-28 | 2020-02-07 | 昆明理工大学 | 一种工业硅硅灰制备高纯纳米硅颗粒的方法 |
CN109455711A (zh) * | 2018-09-19 | 2019-03-12 | 中钢集团新型材料(浙江)有限公司 | 一种高纯石墨硼元素灰化富集的方法 |
CN110156023B (zh) * | 2019-06-14 | 2022-10-21 | 宝兴易达光伏刃料有限公司 | 一种绿色环保的冶炼高纯硅方法 |
CN110194456B (zh) * | 2019-06-14 | 2022-10-21 | 宝兴易达光伏刃料有限公司 | 一种利用废弃硅泥冶炼金属硅的方法 |
CN110963493B (zh) * | 2019-12-25 | 2021-06-11 | 中国科学院过程工程研究所 | 晶体硅切割废料制备超冶金级硅的方法 |
CN112110637B (zh) * | 2020-09-07 | 2021-04-16 | 齐鲁工业大学 | 一种石英矿物粉料除杂系统及除杂工艺 |
CN115353110B (zh) * | 2022-07-28 | 2023-11-21 | 商南中剑实业有限责任公司 | 一种硅锰造渣精炼去除工业硅中硼杂质的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304763A (en) * | 1979-08-16 | 1981-12-08 | Consortium Fur Elektrochemische Industrie Gmbh | Process for purifying metallurgical-grade silicon |
CN101255598A (zh) * | 2007-12-17 | 2008-09-03 | 史珺 | 太阳能等级多晶硅的制备方法 |
CN101423221A (zh) * | 2008-11-17 | 2009-05-06 | 上海普罗新能源有限公司 | 采用粉末冶金的硅真空熔炼提纯方法 |
CN101671023A (zh) * | 2009-09-15 | 2010-03-17 | 厦门大学 | 一种多晶硅除硼提纯方法 |
-
2011
- 2011-01-25 CN CN201110025809A patent/CN102134076B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304763A (en) * | 1979-08-16 | 1981-12-08 | Consortium Fur Elektrochemische Industrie Gmbh | Process for purifying metallurgical-grade silicon |
CN101255598A (zh) * | 2007-12-17 | 2008-09-03 | 史珺 | 太阳能等级多晶硅的制备方法 |
CN101423221A (zh) * | 2008-11-17 | 2009-05-06 | 上海普罗新能源有限公司 | 采用粉末冶金的硅真空熔炼提纯方法 |
CN101671023A (zh) * | 2009-09-15 | 2010-03-17 | 厦门大学 | 一种多晶硅除硼提纯方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109319788A (zh) * | 2018-10-19 | 2019-02-12 | 厦门大学 | 一种采用硅铝钙合金精炼及定向凝固制备多晶硅的方法 |
CN109319788B (zh) * | 2018-10-19 | 2020-06-12 | 厦门大学 | 一种采用硅铝钙合金精炼及定向凝固制备多晶硅的方法 |
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CN102134076A (zh) | 2011-07-27 |
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Owner name: YUNNAN TIN INDUSTRY GROUP (HOLDING) CORP., LTD. Free format text: FORMER OWNER: YUNNAN QIANYUAN LIGHT ENERGY INDUSTRY CO., LTD. Effective date: 20150305 |
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Effective date of registration: 20150305 Address after: 661000 Yunnan, Gejiu City, Jinhu East Road, No. 121 Patentee after: Yunnan Tin Group (Holding) Co., Ltd Address before: 650106 No. 988, science and technology road, Kunming hi tech Development Zone, Yunnan Patentee before: Yunnan Qianyuan Light Energy Industry Co., Ltd. |
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Granted publication date: 20120905 Termination date: 20170125 |