NO781742L - Fremgangsmaate ved rensing av silicium - Google Patents

Fremgangsmaate ved rensing av silicium

Info

Publication number: NO781742L
Authority: NO; Norway
Prior art keywords: silicon; acid; aqueous acid; granules; drum
Prior art date: 1977-05-20

Application number

NO78781742A

Other languages

English (en)

Norwegian (no)

Inventor

Heinz-Joerg Rath

Erhard Sirtl

Waldemar Pfeiffer

Original Assignee

Wacker Chemitronic

Priority date (The priority date 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 date listed.)

1977-05-20

Filing date

1978-05-19

Publication date

1978-11-21

1978-05-19 Application filed by Wacker Chemitronic filed Critical Wacker Chemitronic

1978-11-21 Publication of NO781742L publication Critical patent/NO781742L/no

Links

XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 48
238000000034 method Methods 0.000 title claims description 21
238000004140 cleaning Methods 0.000 title claims description 9
229910052710 silicon Inorganic materials 0.000 claims description 47
239000010703 silicon Substances 0.000 claims description 47
239000008187 granular material Substances 0.000 claims description 21
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
239000002253 acid Substances 0.000 claims description 12
239000011260 aqueous acid Substances 0.000 claims description 10
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
238000000227 grinding Methods 0.000 claims description 8
239000007800 oxidant agent Substances 0.000 claims description 6
238000000746 purification Methods 0.000 claims description 5
239000000126 substance Substances 0.000 claims description 5
229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
238000002386 leaching Methods 0.000 claims description 3
239000000203 mixture Substances 0.000 claims description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
229910052782 aluminium Inorganic materials 0.000 description 5
229910052742 iron Inorganic materials 0.000 description 5
150000007513 acids Chemical class 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
-1 polytetrafluoroethylene Polymers 0.000 description 4
239000004743 Polypropylene Substances 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 3
239000007789 gas Substances 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
229920001155 polypropylene Polymers 0.000 description 3
239000010959 steel Substances 0.000 description 3
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000000356 contaminant Substances 0.000 description 2
239000012535 impurity Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
238000010422 painting Methods 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
239000004160 Ammonium persulphate Substances 0.000 description 1
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
235000019395 ammonium persulphate Nutrition 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000003518 caustics Substances 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
230000002860 competitive effect Effects 0.000 description 1
238000011109 contamination Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000002019 doping agent Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005611 electricity Effects 0.000 description 1
238000000605 extraction Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
238000002156 mixing Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000003973 paint Substances 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
229920001343 polytetrafluoroethylene Polymers 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Silicon Compounds (AREA)
Extraction Or Liquid Replacement (AREA)
Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Photovoltaic Devices (AREA)
Detergent Compositions (AREA)

NO78781742A 1977-05-20 1978-05-19 Fremgangsmaate ved rensing av silicium NO781742L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19772722783 DE2722783A1 (de)	1977-05-20	1977-05-20	Verfahren zum reinigen von silicium

Publications (1)

Publication Number	Publication Date
NO781742L true NO781742L (no)	1978-11-21

Family

ID=6009446

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO78781742A NO781742L (no)	1977-05-20	1978-05-19	Fremgangsmaate ved rensing av silicium

Country Status (8)

Country	Link
JP (1)	JPS53144819A (fr)
BE (1)	BE867204A (fr)
DE (1)	DE2722783A1 (fr)
FR (1)	FR2391157A1 (fr)
GB (1)	GB1581418A (fr)
IT (1)	IT1104837B (fr)
NL (1)	NL7804064A (fr)
NO (1)	NO781742L (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2933164A1 (de) *	1979-08-16	1981-02-26	Consortium Elektrochem Ind	Verfahren zum reinigen von rohsilicium
DE3128979C2 (de) *	1981-07-22	1986-10-23	Siemens AG, 1000 Berlin und 8000 München	Verfahren zum Herstellen von für Solarzellen verwendbarem Silizium
DE3210141A1 (de) *	1982-03-19	1983-09-22	Siemens AG, 1000 Berlin und 8000 München	Verfahren zum herstellen von fuer insbesondere solarzellen verwendbarem silicium
DE3317286A1 (de) *	1983-05-11	1984-11-22	Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen	Verfahren zur reinigung von silicium durch saeureeinwirkung
DE3332447A1 (de) *	1983-09-08	1985-03-21	Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen	Verfahren zur befreiung von siliciumbruchstuecken von verunreinigungen
JPS61178414A (ja) *	1985-01-31	1986-08-11	Nippon Chem Ind Co Ltd:The	高純度シリカおよびその製造方法
JPS6212608A (ja) *	1985-07-11	1987-01-21	Nippon Chem Ind Co Ltd:The	高純度シリカ及びその製造方法
JP2553476Y2 (ja) *	1993-09-27	1997-11-05	涌井工業株式会社	焼却器
NO180188C (no) *	1994-03-30	1997-03-05	Elkem Materials	Fremgangsmåte for opparbeiding av residuer fra direkte syntese av organoklorsilaner og/eller klorsilaner
DE19531031C2 (de) *	1995-08-23	1997-08-21	Ictop Entwicklungsgesellschaft	Verfahren zum Trocknen von Silizium
US5714203A (en) *	1995-08-23	1998-02-03	Ictop Entwicklungs Gmbh	Procedure for the drying of silicon
JP4686824B2 (ja) *	2000-07-28	2011-05-25	Ｊｆｅスチール株式会社	シリコンに付着した石英除去方法及び除去装置
JP4689373B2 (ja) *	2005-07-04	2011-05-25	シャープ株式会社	シリコンの再利用方法
GB2436520B (en) *	2006-03-28	2010-06-23	Hts Hans Torgersen & Sonn As	Reclining group
CN101597063A (zh) *	2008-06-06	2009-12-09	佳科太阳能硅(厦门)有限公司	冶金硅中杂质硼的去除方法
DE102010053693A1 (de) *	2010-12-08	2012-06-14	Adensis Gmbh	Verfahren zur chemischen Reinigung von metallurgischem Silizium und Vorrichtung zur Durchführung des Verfahrens
GB2563583A (en)	2017-06-16	2018-12-26	Her Majesty The Queen In Right Of Canada As Represented By The Mini Of Natural Resources Canada	Combined grinding and leaching process for ores and wastes and apparatus thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1386227A (en) *	1919-09-26	1921-08-02	Electro Metallurg Co	Process of refining crude electric-furnace silicon
CH332463A (de) *	1954-09-24	1958-09-15	Lonza Ag	Verfahren zur Reinigung von Rohsilizium
CH346532A (de) *	1956-01-19	1960-05-31	Lonza Ag	Verfahren zur Herstellung von reinem Siliziummetall
AT200106B (de) *	1956-12-24	1958-10-25	Degussa	Verfahren zur Herstellung von reinstem Silizium
DE1091590B (de) *	1957-11-28	1960-10-27	Joergen August Kolflaath	Verfahren zum Raffinieren von Ferro-Silizium und Silizium
NO122241B (fr) *	1970-05-04	1971-06-07	Spigerverk C

1977
- 1977-05-20 DE DE19772722783 patent/DE2722783A1/de active Granted
1978
- 1978-04-17 NL NL7804064A patent/NL7804064A/xx not_active Application Discontinuation
- 1978-05-12 GB GB19261/78A patent/GB1581418A/en not_active Expired
- 1978-05-18 IT IT49434/78A patent/IT1104837B/it active
- 1978-05-18 BE BE187802A patent/BE867204A/fr unknown
- 1978-05-19 FR FR7814875A patent/FR2391157A1/fr active Granted
- 1978-05-19 JP JP5899478A patent/JPS53144819A/ja active Granted
- 1978-05-19 NO NO78781742A patent/NO781742L/no unknown

Also Published As

Publication number	Publication date
JPS53144819A (en)	1978-12-16
DE2722783C2 (fr)	1987-05-27
GB1581418A (en)	1980-12-10
IT7849434A0 (it)	1978-05-18
DE2722783A1 (de)	1978-11-30
FR2391157B1 (fr)	1980-04-04
IT1104837B (it)	1985-10-28
JPS5648441B2 (fr)	1981-11-16
FR2391157A1 (fr)	1978-12-15
BE867204A (fr)	1978-11-20
NL7804064A (nl)	1978-11-22

Publication	Publication Date	Title
NO781742L (no)	1978-11-21	Fremgangsmaate ved rensing av silicium
EP2347998B1 (fr)	2019-10-16	Appareil et procédé pour la fabrication de sel industriel
CN104718022B (zh)	2017-10-10	集成湿空气再生的维护减少的水处理设备
JPS6031762B2 (ja)	1985-07-24	大交換容量を有する無機質結晶性塩基交換物質の製造方法
CN107043331B (zh)	2020-06-05	一种1，5-戊二胺的提取方法
CN104386787B (zh)	2015-12-30	一种以钛铁矿为原料的无机钛铁聚合混凝剂的制备方法
TW201217274A (en)	2012-05-01	Nutrient recovery methods and uses thereof
SE438309B (sv)	1985-04-15	Forfarande for rening av kisel
CN105198148A (zh)	2015-12-30	高含盐废水零排放结晶盐处理工艺及装置
EP3759049B1 (fr)	2022-04-06	Silicates durables et leurs procédés d'extraction
CN101914037B (zh)	2012-11-28	生产高纯度亚氨基二乙腈的工艺
EP4134177B1 (fr)	2024-03-13	Appareil de conversion de déchets en biogaz et procédé de conversion de déchets en biogaz
JP7780141B2 (ja)	2025-12-04	炭酸カルシウム生成方法及びシステム
WO1990014309A1 (fr)	1990-11-29	Procede de preparation par voie aqueuse de dihydrate de sulfate de calcium purifie
CN114408929B (zh)	2024-08-16	一种氟硅酸和二氧化硅混合料浆的分离提纯方法及系统
Ramasamy et al.	2002	Carbide sludge management in acetylene producing plants by using vacuum filtration
FR2618454A1 (fr)	1989-01-27	Procede de desagregation de minerais contenant du tantale, du niobium, du zirconium et du titane
CN107043333B (zh)	2020-06-16	一种从含1,5-戊二胺盐的溶液体系中提取1,5-戊二胺的方法
RU2070165C1 (ru)	1996-12-10	Способ обработки осадков бытовых и/или промышленных сточных вод
CN101161597A (zh)	2008-04-16	没食子酸生产废水的净化回收方法
CN106495189A (zh)	2017-03-15	一种高纯食品级氯化钾的生产方法
CN114433609A (zh)	2022-05-06	利用水热氧化法处理生活垃圾焚烧飞灰重金属的方法
CN116497373B (zh)	2025-11-04	一种三氟化氮电解槽中废电解质的回收方法及装置
FR2627481A1 (fr)	1989-08-25	Procede pour epurer des eaux usees de l'industrie du verre
Wu et al.	2022	Enhancing removal of hydrogen from granular polysilicon by innovating vacuum separation model and method for SoG-Si