CN101311114A - 一种化学冶金提纯多晶硅的方法 - Google Patents
一种化学冶金提纯多晶硅的方法 Download PDFInfo
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- CN101311114A CN101311114A CNA2008100112660A CN200810011266A CN101311114A CN 101311114 A CN101311114 A CN 101311114A CN A2008100112660 A CNA2008100112660 A CN A2008100112660A CN 200810011266 A CN200810011266 A CN 200810011266A CN 101311114 A CN101311114 A CN 101311114A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 16
- 238000005272 metallurgy Methods 0.000 title claims abstract description 13
- 239000000126 substance Substances 0.000 title claims abstract description 12
- 229920005591 polysilicon Polymers 0.000 title claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000013078 crystal Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002210 silicon-based material Substances 0.000 claims abstract description 6
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 235000013339 cereals Nutrition 0.000 claims description 8
- 235000013312 flour Nutrition 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910021487 silica fume Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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CN2008100112660A CN101311114B (zh) | 2008-04-30 | 2008-04-30 | 一种化学冶金提纯多晶硅的方法 |
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CN2008100112660A CN101311114B (zh) | 2008-04-30 | 2008-04-30 | 一种化学冶金提纯多晶硅的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101311114A true CN101311114A (zh) | 2008-11-26 |
CN101311114B CN101311114B (zh) | 2011-02-02 |
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CN2008100112660A Expired - Fee Related CN101311114B (zh) | 2008-04-30 | 2008-04-30 | 一种化学冶金提纯多晶硅的方法 |
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CN (1) | CN101311114B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102134077A (zh) * | 2011-01-25 | 2011-07-27 | 云南乾元光能产业有限公司 | 一种湿法提纯多晶硅的方法 |
CN102227375A (zh) * | 2009-04-28 | 2011-10-26 | 胜高股份有限公司 | 硅污泥的洗涤方法 |
CN102295289A (zh) * | 2011-06-01 | 2011-12-28 | 宁夏银星多晶硅有限责任公司 | 一种冶金法多晶硅金属杂质湿法冶金提纯工艺 |
CN102602935A (zh) * | 2012-03-05 | 2012-07-25 | 矽明科技股份有限公司 | 一种高钙除磷的硅的清洗方法 |
CN102757051A (zh) * | 2012-04-19 | 2012-10-31 | 镇江环太硅科技有限公司 | 废弃层硅料的回收处理方法 |
CN104556052A (zh) * | 2014-12-26 | 2015-04-29 | 东莞市长安东阳光铝业研发有限公司 | 一种去除多晶硅中杂质的方法 |
CN106087042A (zh) * | 2016-06-22 | 2016-11-09 | 晶科能源有限公司 | 一种多晶铸锭用籽晶的制作方法 |
-
2008
- 2008-04-30 CN CN2008100112660A patent/CN101311114B/zh not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102227375A (zh) * | 2009-04-28 | 2011-10-26 | 胜高股份有限公司 | 硅污泥的洗涤方法 |
CN102134077A (zh) * | 2011-01-25 | 2011-07-27 | 云南乾元光能产业有限公司 | 一种湿法提纯多晶硅的方法 |
CN102134077B (zh) * | 2011-01-25 | 2012-09-05 | 云南乾元光能产业有限公司 | 一种湿法提纯多晶硅的方法 |
CN102295289A (zh) * | 2011-06-01 | 2011-12-28 | 宁夏银星多晶硅有限责任公司 | 一种冶金法多晶硅金属杂质湿法冶金提纯工艺 |
CN102602935A (zh) * | 2012-03-05 | 2012-07-25 | 矽明科技股份有限公司 | 一种高钙除磷的硅的清洗方法 |
CN102602935B (zh) * | 2012-03-05 | 2014-03-12 | 矽明科技股份有限公司 | 一种高钙除磷的硅的清洗方法 |
CN102757051A (zh) * | 2012-04-19 | 2012-10-31 | 镇江环太硅科技有限公司 | 废弃层硅料的回收处理方法 |
CN104556052A (zh) * | 2014-12-26 | 2015-04-29 | 东莞市长安东阳光铝业研发有限公司 | 一种去除多晶硅中杂质的方法 |
CN106087042A (zh) * | 2016-06-22 | 2016-11-09 | 晶科能源有限公司 | 一种多晶铸锭用籽晶的制作方法 |
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Publication number | Publication date |
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CN101311114B (zh) | 2011-02-02 |
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