CN107324341A - 一种利用铝和氧气去除工业硅中杂质硼的方法 - Google Patents
一种利用铝和氧气去除工业硅中杂质硼的方法 Download PDFInfo
- Publication number
- CN107324341A CN107324341A CN201710384575.1A CN201710384575A CN107324341A CN 107324341 A CN107324341 A CN 107324341A CN 201710384575 A CN201710384575 A CN 201710384575A CN 107324341 A CN107324341 A CN 107324341A
- Authority
- CN
- China
- Prior art keywords
- silicon
- aluminium
- oxygen
- industrial
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004411 aluminium Substances 0.000 title claims abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 51
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 51
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 50
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 47
- 239000010703 silicon Substances 0.000 title claims abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000001301 oxygen Substances 0.000 title claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 34
- 239000012535 impurity Substances 0.000 title claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 49
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000007670 refining Methods 0.000 claims abstract description 43
- 239000002893 slag Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 235000013312 flour Nutrition 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- 239000004484 Briquette Substances 0.000 claims abstract description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005275 alloying Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011856 silicon-based particle Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052786 argon Inorganic materials 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 235000013339 cereals Nutrition 0.000 claims description 7
- 239000007788 liquid Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 230000001939 inductive effect Effects 0.000 description 6
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229910001882 dioxygen Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000003752 zinc compounds Chemical class 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910000632 Alusil Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- CFOAUMXQOCBWNJ-UHFFFAOYSA-N [B].[Si] Chemical compound [B].[Si] CFOAUMXQOCBWNJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/037—Purification
- C01B33/039—Purification by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710384575.1A CN107324341B (zh) | 2017-05-26 | 2017-05-26 | 一种利用铝和氧气去除工业硅中杂质硼的方法 |
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CN201710384575.1A CN107324341B (zh) | 2017-05-26 | 2017-05-26 | 一种利用铝和氧气去除工业硅中杂质硼的方法 |
Publications (2)
Publication Number | Publication Date |
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CN107324341A true CN107324341A (zh) | 2017-11-07 |
CN107324341B CN107324341B (zh) | 2020-04-07 |
Family
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Family Applications (1)
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CN201710384575.1A Active CN107324341B (zh) | 2017-05-26 | 2017-05-26 | 一种利用铝和氧气去除工业硅中杂质硼的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107324341B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115432705A (zh) * | 2022-09-15 | 2022-12-06 | 昆明理工大学 | 溶剂添加与定向凝固相结合去除工业硅中杂质p的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803598A (zh) * | 2006-01-25 | 2006-07-19 | 昆明理工大学 | 一种制备太阳能级多晶硅的方法 |
CN101712474A (zh) * | 2009-09-08 | 2010-05-26 | 南安市三晶阳光电力有限公司 | 采用析释提纯技术的太阳能级高纯硅的制备方法 |
CN102807220A (zh) * | 2011-05-31 | 2012-12-05 | 比亚迪股份有限公司 | 一种硅的提纯方法 |
CN103058199A (zh) * | 2013-01-21 | 2013-04-24 | 昆明理工大学 | 一种工业硅炉外精炼提纯的方法 |
CN103641120A (zh) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | 一种湿氧炉外精炼提纯工业硅熔体的方法 |
CN102701212B (zh) * | 2012-05-17 | 2014-08-13 | 华南师范大学 | 一种冶金法除硼、磷提纯工业硅的方法 |
-
2017
- 2017-05-26 CN CN201710384575.1A patent/CN107324341B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803598A (zh) * | 2006-01-25 | 2006-07-19 | 昆明理工大学 | 一种制备太阳能级多晶硅的方法 |
CN101712474A (zh) * | 2009-09-08 | 2010-05-26 | 南安市三晶阳光电力有限公司 | 采用析释提纯技术的太阳能级高纯硅的制备方法 |
CN102807220A (zh) * | 2011-05-31 | 2012-12-05 | 比亚迪股份有限公司 | 一种硅的提纯方法 |
CN102701212B (zh) * | 2012-05-17 | 2014-08-13 | 华南师范大学 | 一种冶金法除硼、磷提纯工业硅的方法 |
CN103058199A (zh) * | 2013-01-21 | 2013-04-24 | 昆明理工大学 | 一种工业硅炉外精炼提纯的方法 |
CN103641120A (zh) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | 一种湿氧炉外精炼提纯工业硅熔体的方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115432705A (zh) * | 2022-09-15 | 2022-12-06 | 昆明理工大学 | 溶剂添加与定向凝固相结合去除工业硅中杂质p的方法 |
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Publication number | Publication date |
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CN107324341B (zh) | 2020-04-07 |
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Effective date of registration: 20231126 Address after: 015542 East Road, 400 meters inside North Lane of Changhan 220KV Substation, Qingshan Industrial Park, Wuhou Banner, Bayannur City, Inner Mongolia Autonomous Region Patentee after: Wulathouqi Wanxin Chemical Co.,Ltd. Address before: 2081, building a, 88 Jianghai West Road, Liangxi District, Wuxi City, Jiangsu Province, 214000 Patentee before: Wuxi Xiangyuan Information Technology Co.,Ltd. Effective date of registration: 20231126 Address after: 2081, building a, 88 Jianghai West Road, Liangxi District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Xiangyuan Information Technology Co.,Ltd. Address before: 650093 No. 253, Xuefu Road, Wuhua District, Yunnan, Kunming Patentee before: Kunming University of Science and Technology |
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