KR930004199A - 염산을 사용하여 클로로실란 증류 잔사를 폐수 없이 후처리하는 방법 - Google Patents
염산을 사용하여 클로로실란 증류 잔사를 폐수 없이 후처리하는 방법 Download PDFInfo
- Publication number
- KR930004199A KR930004199A KR1019920014398A KR920014398A KR930004199A KR 930004199 A KR930004199 A KR 930004199A KR 1019920014398 A KR1019920014398 A KR 1019920014398A KR 920014398 A KR920014398 A KR 920014398A KR 930004199 A KR930004199 A KR 930004199A
- Authority
- KR
- South Korea
- Prior art keywords
- hydrochloric acid
- minutes
- distillation residue
- working
- waste water
- Prior art date
Links
- 238000004821 distillation Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 4
- 239000005046 Chlorosilane Substances 0.000 title claims description 3
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 title claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims 8
- 239000002351 wastewater Substances 0.000 title claims 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000011541 reaction mixture Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/35—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
- C01B33/1071—Tetrachloride, trichlorosilane or silicochloroform, dichlorosilane, monochlorosilane or mixtures thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/22—Organic substances containing halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Silicon Compounds (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 클로로실란 증류 잔사를 후처리하는 전체적 공정을 도시한 것이다.
Claims (3)
- a) 클로로실산 증류 잔사를 액체 염산중에서 반응시키면서 염화수소를 방출시키고, b) a)에 따라 형성된 반응 혼합물을 응고시킨 후, c) 수득된 반응 혼합물의 고체 성분을 분리하고 잔류 액체를 a)로 재공급한 후, d) 단계 c)에서 수득한 습윤성 고체를 건조시키고 140℃ 이상의 온도에서 가열처리한 후, e) 단계 d)에서 방출된 기체 성분을 냉각계를 공급하고 응축물을 a)로 재공급함을 특징으로 하여, 클로로실란 증류 잔사를, 처리가능한 염화수소 및 무수 폐기물을 생성시키며 폐수없이 후처리하는 방법.
- 제1항에 있어서, 가열처리를 300℃에서 15분 이상, 230℃에서 30분 이상 및 200℃에서 60분 이상 지속하는 방법.
- 제1항에 있어서, 가수분해 중 사용되는 물을 염산의 형태로 보충하는 방법.※참고사항:최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4126670A DE4126670A1 (de) | 1991-08-13 | 1991-08-13 | Verfahren zur abwasserfreien aufarbeitung von rueckstaenden einer chlorsilandestillation mit salzsaeure |
| DEP4126670.6 | 1991-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR930004199A true KR930004199A (ko) | 1993-03-22 |
Family
ID=6438164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920014398A KR930004199A (ko) | 1991-08-13 | 1992-08-11 | 염산을 사용하여 클로로실란 증류 잔사를 폐수 없이 후처리하는 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5246682A (ko) |
| EP (1) | EP0527309A1 (ko) |
| JP (1) | JPH05213605A (ko) |
| KR (1) | KR930004199A (ko) |
| DE (1) | DE4126670A1 (ko) |
| NO (1) | NO923120L (ko) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5876609A (en) * | 1997-03-28 | 1999-03-02 | General Electric Company | Process for treating methylchlorosilanes by-products |
| US5905183A (en) * | 1997-06-03 | 1999-05-18 | General Electric Company | Process for reducing the residual chloride concentration in copper containing solids |
| US6174349B1 (en) | 1999-04-06 | 2001-01-16 | Seh America, Inc. | Continuous effluent gas scrubber system and method |
| DE19963433A1 (de) * | 1999-12-28 | 2001-07-12 | Degussa | Verfahren zur Abscheidung von Chlorsilanen aus Gasströmen |
| DE10056722A1 (de) * | 2000-11-15 | 2002-06-06 | Solarworld Ag | Verfahren zur Inertisierung von staubförmigen siliziummetallhaltigen Rückständen der Trichlorsilansynthese im Wirbelbett |
| JP4160930B2 (ja) * | 2004-05-19 | 2008-10-08 | シャープ株式会社 | ハロシランの製造方法、固形分の精製方法 |
| DE102008001576A1 (de) | 2008-05-06 | 2009-11-12 | Wacker Chemie Ag | Verfahren zur Hydrolyse von Metallsalzen mit Emulsionen |
| US20100061912A1 (en) * | 2008-09-08 | 2010-03-11 | Stephen Michael Lord | Apparatus for high temperature hydrolysis of water reactive halosilanes and halides and process for making same |
| US8277768B2 (en) | 2008-11-14 | 2012-10-02 | Texas Instruments Incorporated | System and method for production of high purity silicon solids and solids therefrom |
| DE102013206228A1 (de) | 2013-04-09 | 2014-10-09 | Wacker Chemie Ag | Vorrichtung und Verfahren zur Behandlung von Chlorsilane enthaltenden Flüssigkeiten |
| US9695052B2 (en) | 2014-07-01 | 2017-07-04 | Rec Silicon Inc | Recovery of hydrohalosilanes from reaction residues |
| CN109863118A (zh) * | 2016-10-18 | 2019-06-07 | 株式会社德山 | 残渣废弃方法及三氯硅烷的制造方法 |
| SG11201903260SA (en) * | 2016-10-19 | 2019-05-30 | Tokuyama Corp | Method for controlling concentration of solid content and method for producing trichlorosilane |
| CN108069428B (zh) * | 2016-11-18 | 2023-10-10 | 江苏中能硅业科技发展有限公司 | 用于处理多晶硅副产渣浆的装置和工艺 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792542A (fr) * | 1971-12-11 | 1973-03-30 | Degussa | Procede pour la fabrication de chlorosilanes exempts de metaux lors de la chloration ou l'hydrochloration de ferrosilicium |
| DE3642285C1 (de) * | 1986-12-11 | 1988-06-01 | Huels Troisdorf | Verfahren zur Aufarbeitung von Rueckstaenden einer Chlorsilan-Destillation |
| US5094830A (en) * | 1987-03-24 | 1992-03-10 | Novapure Corporation | Process for removal of water and silicon mu-oxides from chlorosilanes |
| DE3742614A1 (de) * | 1987-12-16 | 1989-06-29 | Huels Chemische Werke Ag | Verfahren zur aufarbeitung von rueckstaenden der destillation von chlorsilanen |
| US5182095A (en) * | 1987-12-16 | 1993-01-26 | Huls Troisdorf Aktiengesellschaft | Method for processing residues from the distillation of chlorosilanes |
| DE3941825A1 (de) * | 1989-12-19 | 1991-06-20 | Huels Chemische Werke Ag | Verfahren zur abwasserfreien aufarbeitung von rueckstaenden einer chlorsilandestillation mit calciumcarbonat |
| EP0433600B1 (de) * | 1989-12-19 | 1994-01-05 | Hüls Aktiengesellschaft | Verfahren zur abwasserfreien Aufarbeitung von Rückständen einer Chlorsilandestillation mit Calcium-Basen oder Calciumcarbonat |
-
1991
- 1991-08-13 DE DE4126670A patent/DE4126670A1/de not_active Withdrawn
-
1992
- 1992-06-13 EP EP92109996A patent/EP0527309A1/de not_active Withdrawn
- 1992-08-11 KR KR1019920014398A patent/KR930004199A/ko not_active Application Discontinuation
- 1992-08-11 NO NO92923120A patent/NO923120L/no unknown
- 1992-08-11 US US07/928,941 patent/US5246682A/en not_active Expired - Fee Related
- 1992-08-12 JP JP4214917A patent/JPH05213605A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0527309A1 (de) | 1993-02-17 |
| DE4126670A1 (de) | 1993-02-18 |
| NO923120L (no) | 1993-02-15 |
| US5246682A (en) | 1993-09-21 |
| JPH05213605A (ja) | 1993-08-24 |
| NO923120D0 (no) | 1992-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |