CN101941700A - 一种从工业硅中去除硼杂质的方法 - Google Patents
一种从工业硅中去除硼杂质的方法 Download PDFInfo
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- CN101941700A CN101941700A CN 201010281559 CN201010281559A CN101941700A CN 101941700 A CN101941700 A CN 101941700A CN 201010281559 CN201010281559 CN 201010281559 CN 201010281559 A CN201010281559 A CN 201010281559A CN 101941700 A CN101941700 A CN 101941700A
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- Prior art keywords
- silicon
- mixture
- pickling
- furnace
- impurity
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 72
- 239000010703 silicon Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 55
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 44
- 239000012535 impurity Substances 0.000 title claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 71
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000002893 slag Substances 0.000 claims abstract description 33
- 238000005554 pickling Methods 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- 235000013312 flour Nutrition 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 41
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 239000006148 magnetic separator Substances 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000197 pyrolysis Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000002210 silicon-based material Substances 0.000 abstract description 14
- 239000000843 powder Substances 0.000 abstract description 10
- 239000011812 mixed powder Substances 0.000 abstract description 9
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000013467 fragmentation Methods 0.000 abstract 1
- 238000006062 fragmentation reaction Methods 0.000 abstract 1
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- -1 stir Substances 0.000 description 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 3
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000209456 Plumbago Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 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 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 206010046996 Varicose vein Diseases 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010281559.8A CN101941700B (zh) | 2010-09-15 | 2010-09-15 | 一种从工业硅中去除硼杂质的方法 |
Applications Claiming Priority (1)
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CN201010281559.8A CN101941700B (zh) | 2010-09-15 | 2010-09-15 | 一种从工业硅中去除硼杂质的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101941700A true CN101941700A (zh) | 2011-01-12 |
CN101941700B CN101941700B (zh) | 2014-04-30 |
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CN201010281559.8A Expired - Fee Related CN101941700B (zh) | 2010-09-15 | 2010-09-15 | 一种从工业硅中去除硼杂质的方法 |
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CN (1) | CN101941700B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106186667A (zh) * | 2014-06-14 | 2016-12-07 | 东莞东阳光科研发有限公司 | 一种去除高纯石英砂杂质的方法 |
CN109231216A (zh) * | 2018-11-19 | 2019-01-18 | 成都斯力康科技股份有限公司 | 工业硅炉外提纯精炼工艺 |
CN109704343A (zh) * | 2017-10-25 | 2019-05-03 | 石兵兵 | 一种混合料、熔化方法、金属硅及其回收方法 |
CN114890428A (zh) * | 2022-04-29 | 2022-08-12 | 成都理工大学 | 一种用于工业硅炉外精炼的三元造渣剂及其除杂方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1926062A (zh) * | 2004-03-03 | 2007-03-07 | 新日本制铁株式会社 | 从硅中除去硼的方法 |
CN101137578A (zh) * | 2005-03-07 | 2008-03-05 | 新日铁高新材料 | 高纯硅的制备方法 |
CN100471793C (zh) * | 2007-06-04 | 2009-03-25 | 厦门大学 | 多晶硅的除硼方法 |
-
2010
- 2010-09-15 CN CN201010281559.8A patent/CN101941700B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1926062A (zh) * | 2004-03-03 | 2007-03-07 | 新日本制铁株式会社 | 从硅中除去硼的方法 |
CN101137578A (zh) * | 2005-03-07 | 2008-03-05 | 新日铁高新材料 | 高纯硅的制备方法 |
CN100471793C (zh) * | 2007-06-04 | 2009-03-25 | 厦门大学 | 多晶硅的除硼方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106186667A (zh) * | 2014-06-14 | 2016-12-07 | 东莞东阳光科研发有限公司 | 一种去除高纯石英砂杂质的方法 |
CN106186667B (zh) * | 2014-06-14 | 2019-12-31 | 东莞东阳光科研发有限公司 | 一种去除高纯石英砂杂质的方法 |
CN109704343A (zh) * | 2017-10-25 | 2019-05-03 | 石兵兵 | 一种混合料、熔化方法、金属硅及其回收方法 |
CN109231216A (zh) * | 2018-11-19 | 2019-01-18 | 成都斯力康科技股份有限公司 | 工业硅炉外提纯精炼工艺 |
CN114890428A (zh) * | 2022-04-29 | 2022-08-12 | 成都理工大学 | 一种用于工业硅炉外精炼的三元造渣剂及其除杂方法 |
Also Published As
Publication number | Publication date |
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CN101941700B (zh) | 2014-04-30 |
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