CN101090862A - 生产硅的方法、从熔融的盐中分离硅的方法和生产四氟化硅的方法 - Google Patents
生产硅的方法、从熔融的盐中分离硅的方法和生产四氟化硅的方法 Download PDFInfo
- Publication number
- CN101090862A CN101090862A CNA2005800271905A CN200580027190A CN101090862A CN 101090862 A CN101090862 A CN 101090862A CN A2005800271905 A CNA2005800271905 A CN A2005800271905A CN 200580027190 A CN200580027190 A CN 200580027190A CN 101090862 A CN101090862 A CN 101090862A
- Authority
- CN
- China
- Prior art keywords
- silicon
- powder
- melt
- tetrafluoride
- eutectic
- 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
- 238000000034 method Methods 0.000 title claims abstract description 120
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 85
- 239000010703 silicon Substances 0.000 title claims abstract description 85
- 150000003839 salts Chemical class 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 101
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 52
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000011737 fluorine Substances 0.000 claims abstract description 46
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 46
- 230000005496 eutectics Effects 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 20
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 17
- 150000004673 fluoride salts Chemical class 0.000 claims abstract description 13
- 239000011856 silicon-based particle Substances 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims abstract description 8
- 239000007790 solid phase Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 42
- 239000008151 electrolyte solution Substances 0.000 claims description 36
- 238000005868 electrolysis reaction Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 17
- 229910020640 KF—NaF Inorganic materials 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 229960001866 silicon dioxide Drugs 0.000 claims description 15
- 229910001512 metal fluoride Inorganic materials 0.000 claims description 13
- 239000012071 phase Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 31
- 239000004065 semiconductor Substances 0.000 abstract description 21
- 238000003682 fluorination reaction Methods 0.000 abstract description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 abstract 1
- 238000009738 saturating Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000012535 impurity Substances 0.000 description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 125000004429 atom Chemical group 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- -1 Sodium Fluoride Chemical class 0.000 description 2
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 description 2
- 239000002699 waste material Substances 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
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001925 catabolic effect Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- YTHCQFKNFVSQBC-UHFFFAOYSA-N magnesium silicide Chemical compound [Mg]=[Si]=[Mg] YTHCQFKNFVSQBC-UHFFFAOYSA-N 0.000 description 1
- 229910021338 magnesium silicide Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 description 1
Images
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
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
- C01B33/10705—Tetrafluoride
-
- 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
- C01B33/021—Preparation
-
- 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
-
- 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
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/20—Fluorine
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/245—Fluorine; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
- C25C5/04—Electrolytic production, recovery or refining of metal powders or porous metal masses from melts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2004124626/15A RU2272785C1 (ru) | 2004-08-12 | 2004-08-12 | Способ получения высокочистого порошка кремния из тетрафторида кремния с одновременным получением элементного фтора, способ отделения кремния от расплава солей, полученные вышеуказанным способом порошок кремния и элементный фтор и способ получения тетрафторида кремния |
RU2004124626 | 2004-08-12 | ||
PCT/RU2005/000400 WO2006019334A1 (fr) | 2004-08-12 | 2005-08-01 | Procede de production de silicium, procede de separation du silicium et d'une masse de sels en fusion et procede de fabrication du tetrafluorure de silicium |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101090862A true CN101090862A (zh) | 2007-12-19 |
CN101090862B CN101090862B (zh) | 2010-08-11 |
Family
ID=35907667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800271905A Expired - Fee Related CN101090862B (zh) | 2004-08-12 | 2005-08-01 | 生产硅的方法、从熔融的盐中分离硅的方法和生产四氟化硅的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070209945A1 (zh) |
CN (1) | CN101090862B (zh) |
DE (1) | DE112005001969T5 (zh) |
ES (1) | ES2319072B1 (zh) |
RU (1) | RU2272785C1 (zh) |
UA (1) | UA80662C2 (zh) |
WO (1) | WO2006019334A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101736354B (zh) * | 2008-11-06 | 2011-11-16 | 北京有色金属研究总院 | 电化学法制备硅纳米粉、硅纳米线和硅纳米管中的一种或几种的方法 |
CN105019015A (zh) * | 2015-07-09 | 2015-11-04 | 上海大学 | 一种无定型硅材料的电化学制备方法 |
CN109037028A (zh) * | 2018-06-22 | 2018-12-18 | 江苏京尚圆电气集团有限公司 | 一种硅料清洗方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2353815T3 (es) * | 2005-05-13 | 2011-03-07 | Nägel, Wulf | Electrolisis de cuarzo en estado fundido a baja temperatura. |
CH703236B1 (fr) * | 2007-12-19 | 2011-12-15 | Ecole Polytech | Procédé de récupération de silicium dans des déchets de sciage. |
US9101896B2 (en) * | 2010-07-09 | 2015-08-11 | Sri International | High temperature decomposition of complex precursor salts in a molten salt |
RU2486290C1 (ru) * | 2012-05-10 | 2013-06-27 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Способ получения нано- и микроструктурных порошков и/или волокон кристаллического и/или рентгеноаморфного кремния |
CN106145127A (zh) * | 2015-04-21 | 2016-11-23 | 广州凌玮科技股份有限公司 | 一种中空微球二氧化硅的制备方法 |
US10106902B1 (en) | 2016-03-22 | 2018-10-23 | Plasma Processes, Llc | Zirconium coating of a substrate |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1080662A (en) * | 1912-01-23 | 1913-12-09 | Percy E Donner | Triple valve. |
US3022233A (en) * | 1959-11-18 | 1962-02-20 | Dow Chemical Co | Preparation of silicon |
SU460326A1 (ru) * | 1973-06-19 | 1975-02-15 | Институт общей и неорганической химии | Электролит дл получени металлического кремни электролизом из расплавов |
US3983012A (en) * | 1975-10-08 | 1976-09-28 | The Board Of Trustees Of Leland Stanford Junior University | Epitaxial growth of silicon or germanium by electrodeposition from molten salts |
US4142947A (en) * | 1977-05-12 | 1979-03-06 | Uri Cohen | Electrodeposition of polycrystalline silicon from a molten fluoride bath and product |
FR2480796A1 (fr) * | 1980-04-21 | 1981-10-23 | Extramet Sarl | Procede de production de silicium de haute purete par voie electrochimique |
RU2046095C1 (ru) * | 1991-06-25 | 1995-10-20 | Всероссийский научно-исследовательский институт неорганических материалов им.акад. А.А.Бочвара | Способ получения тетрафторида кремния |
NO942121L (no) * | 1994-06-07 | 1995-12-08 | Jan Stubergh | Fremstilling og anordning for fremstilling av silisium-"metall", silumin og aluminium-metall |
RU2156220C1 (ru) * | 1999-05-26 | 2000-09-20 | Карелин Александр Иванович | Способ получения раствора металлического кремния, способ получения металлического кремния из раствора и металлический кремний, полученный на основе этих способов, способ получения керамических материалов и керамический материал, полученный на основе этого способа |
NO20010962D0 (no) * | 2001-02-26 | 2001-02-26 | Norwegian Silicon Refinery As | FremgangsmÕte for fremstilling av silisium med høy renhet ved elektrolyse |
UA73847C2 (en) * | 2003-09-02 | 2005-09-15 | A method for preparing silicon tetrafluoride, a method for isolation of the silicon tetrafluoride from oxygen and highly volatile admixtures, a method for preparing silicon powder from the silicon tetrafluoride |
-
2004
- 2004-08-12 RU RU2004124626/15A patent/RU2272785C1/ru not_active IP Right Cessation
-
2005
- 2005-01-08 UA UAA200700624A patent/UA80662C2/uk unknown
- 2005-08-01 ES ES200750013A patent/ES2319072B1/es not_active Expired - Fee Related
- 2005-08-01 DE DE112005001969T patent/DE112005001969T5/de not_active Withdrawn
- 2005-08-01 WO PCT/RU2005/000400 patent/WO2006019334A1/ru active IP Right Grant
- 2005-08-01 CN CN2005800271905A patent/CN101090862B/zh not_active Expired - Fee Related
-
2007
- 2007-02-12 US US11/673,788 patent/US20070209945A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101736354B (zh) * | 2008-11-06 | 2011-11-16 | 北京有色金属研究总院 | 电化学法制备硅纳米粉、硅纳米线和硅纳米管中的一种或几种的方法 |
CN105019015A (zh) * | 2015-07-09 | 2015-11-04 | 上海大学 | 一种无定型硅材料的电化学制备方法 |
CN109037028A (zh) * | 2018-06-22 | 2018-12-18 | 江苏京尚圆电气集团有限公司 | 一种硅料清洗方法 |
Also Published As
Publication number | Publication date |
---|---|
UA80662C2 (en) | 2007-10-10 |
DE112005001969T5 (de) | 2007-07-12 |
RU2272785C1 (ru) | 2006-03-27 |
US20070209945A1 (en) | 2007-09-13 |
WO2006019334A1 (fr) | 2006-02-23 |
ES2319072A1 (es) | 2009-05-01 |
CN101090862B (zh) | 2010-08-11 |
ES2319072B1 (es) | 2010-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101090862B (zh) | 生产硅的方法、从熔融的盐中分离硅的方法和生产四氟化硅的方法 | |
JP3844856B2 (ja) | 高純度シリコンの製造方法 | |
CN101979684B (zh) | 一种从热镀锌灰中回收锌的工艺 | |
TW201130734A (en) | Process for production of polysilicon and tetrachloride | |
CN100577885C (zh) | 一种回收铝电解炭渣中电解质的方法 | |
JP5768714B2 (ja) | シリコンの製造方法 | |
JP3844849B2 (ja) | 多結晶シリコンおよび塩化亜鉛の製造方法 | |
CN104195355B (zh) | 制备锆的方法 | |
CN106435221A (zh) | 一种制备核级海绵锆和核级海绵铪的方法 | |
JP5291098B2 (ja) | フルオロケイ酸溶液からの多結晶シリコン製造の技術ならびにその製造のための設備 | |
JPH0339494A (ja) | 塩化物法を使用して酸化物からウランを得る方法 | |
CN211311551U (zh) | 一种电热炼铝的装置 | |
JP2003034519A (ja) | シリコンの製造方法 | |
JP3892041B2 (ja) | ナトリウムおよび塩化アルミニウムの電気化学的製造法 | |
KR20120110110A (ko) | 사플루오르화 규소의 제조 방법 | |
JP5114341B2 (ja) | 亜鉛および珪素の製造方法 | |
KR101954104B1 (ko) | 화학적 공급 원료의 처리 | |
JP2011178586A (ja) | 多結晶シリコンの精製方法 | |
RU2356834C2 (ru) | Способ получения поликристаллического кремния в виде гранул сферической формы | |
Kero et al. | Technologies with potential for climate neutral silicon production | |
CN1320166C (zh) | 制备碳化硅和任选制备铝和硅铝明(铝硅合金)的方法 | |
JP4708505B2 (ja) | 多結晶シリコンの製造方法及びこれに用いる反応炉 | |
RU2345949C2 (ru) | Способ получения кремния | |
JP2003328052A (ja) | スポンジチタン製造方法 | |
CN103384640A (zh) | 用于制备硅烷的方法和系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: ZE POLY SCIENTIFIC AND TECHNOLOGICAL COOPERATION C Free format text: FORMER OWNER: JILIAOSI CO., LTD Effective date: 20091016 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20091016 Address after: Singapore Singapore Applicant after: Z e Poly Technology Cooperation Ltd Address before: Russia Omsk Applicant before: Ltd Liability Company Gelios |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20120801 |