NO129623B - - Google Patents
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- Publication number
- NO129623B NO129623B NO00173/72A NO17372A NO129623B NO 129623 B NO129623 B NO 129623B NO 00173/72 A NO00173/72 A NO 00173/72A NO 17372 A NO17372 A NO 17372A NO 129623 B NO129623 B NO 129623B
- Authority
- NO
- Norway
- Prior art keywords
- rich
- zones
- carbon
- electrode
- furnace
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 19
- 235000012239 silicon dioxide Nutrition 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000011946 reduction process Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 description 8
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035945 sensitivity Effects 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
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO00173/72A NO129623B (xx) | 1972-01-25 | 1972-01-25 | |
| ZA729101A ZA729101B (en) | 1972-01-25 | 1972-12-27 | Method by reduction of silicon-dioxide by means of carbon in electrical furnace |
| IT19095/73A IT978060B (it) | 1972-01-25 | 1973-01-09 | Metodo di riduzione del biossido di silicio mediante carbonio in forno elettrico |
| US324114A US3887359A (en) | 1972-01-25 | 1973-01-16 | Reduction of silicon dioxide by means of carbon in electric furnace |
| CA161,572A CA987884A (en) | 1972-01-25 | 1973-01-18 | Reduction of silicon dioxide by means of carbon in electric furnace |
| FR7301977A FR2169100B1 (xx) | 1972-01-25 | 1973-01-19 | |
| YU00282/73A YU28273A (en) | 1972-01-25 | 1973-01-23 | Electric furnace for silicon production |
| SE7300965A SE382042B (sv) | 1972-01-25 | 1973-01-24 | Sett att framstella metalliskt kisel och kiselhaltiga legeringar |
| AU51385/73A AU477309B2 (en) | 1972-01-25 | 1973-01-24 | Improvements in or relating to method of reduction of silicon-dioxide |
| ES410909A ES410909A1 (es) | 1972-01-25 | 1973-01-24 | Un metodo para producir silicio metalico o aleaciones que contienen silicio. |
| DE2303242A DE2303242A1 (de) | 1972-01-25 | 1973-01-24 | Verfahren zur reduktion von siliciumdioxid mittels kohlenstoff in elektrooefen |
| JP958273A JPS5313169B2 (xx) | 1972-01-25 | 1973-01-24 | |
| IN268/CAL/73A IN139737B (xx) | 1972-01-25 | 1973-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO00173/72A NO129623B (xx) | 1972-01-25 | 1972-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO129623B true NO129623B (xx) | 1974-05-06 |
Family
ID=19877418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO00173/72A NO129623B (xx) | 1972-01-25 | 1972-01-25 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3887359A (xx) |
| JP (1) | JPS5313169B2 (xx) |
| AU (1) | AU477309B2 (xx) |
| CA (1) | CA987884A (xx) |
| DE (1) | DE2303242A1 (xx) |
| ES (1) | ES410909A1 (xx) |
| FR (1) | FR2169100B1 (xx) |
| IN (1) | IN139737B (xx) |
| IT (1) | IT978060B (xx) |
| NO (1) | NO129623B (xx) |
| SE (1) | SE382042B (xx) |
| YU (1) | YU28273A (xx) |
| ZA (1) | ZA729101B (xx) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162291A (en) * | 1977-10-12 | 1979-07-24 | Westinghouse Electric Corp. | Liquid silicon casting control mechanism |
| SE415558B (sv) * | 1978-06-02 | 1980-10-13 | Kema Nord Ab | Forfarande for framstellning av kisel eller fenokisel |
| US4214920A (en) * | 1979-03-23 | 1980-07-29 | Exxon Research & Engineering Co. | Method for producing solar cell-grade silicon from rice hulls |
| SE421065B (sv) * | 1979-10-24 | 1981-11-23 | Kema Nord Ab | Forfarande for framstellning av kisel eller ferrokisel |
| DE2951959C2 (de) * | 1979-12-22 | 1985-07-04 | Elkem A/S, Oslo | Verfahren und Vorrichtung zur Herstellung von Aluminium oder Aluminiumlegierungen durch carbothermische Reduktion von Aluminiumoxid oder Gemischen aus Aluminiumoxid und weiteren Oxiden |
| US4590043A (en) * | 1982-12-27 | 1986-05-20 | Sri International | Apparatus for obtaining silicon from fluosilicic acid |
| US4981668A (en) * | 1986-04-29 | 1991-01-01 | Dow Corning Corporation | Silicon carbide as a raw material for silicon production |
| US4897852A (en) * | 1988-08-31 | 1990-01-30 | Dow Corning Corporation | Silicon smelting process |
| US4997474A (en) * | 1988-08-31 | 1991-03-05 | Dow Corning Corporation | Silicon smelting process |
| US5009703A (en) * | 1990-08-13 | 1991-04-23 | Dow Corning Corporation | Silicon smelting process in direct current furnace |
| CA2564646A1 (en) * | 2004-05-04 | 2005-11-24 | Dow Corning Corporation | Container for forming self-baking electrodes |
| CA2646180A1 (en) * | 2006-03-15 | 2007-09-20 | Reaction Sciences, Inc. | Method for making silicon for solar cells and other applications |
| US20080314446A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Processes for the preparation of solar-grade silicon and photovoltaic cells |
| US20080314445A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Method for the preparation of high purity silicon |
| CN101332993B (zh) * | 2007-06-29 | 2011-02-09 | 商南中剑实业有限责任公司 | 高温分离法生产高纯度硅的方法 |
| CN101112986B (zh) * | 2007-06-29 | 2010-07-28 | 商南中剑实业有限责任公司 | 用石油焦作还原剂生产工业硅的方法 |
| CN109553108A (zh) * | 2018-12-11 | 2019-04-02 | 中昊黑元化工研究设计院有限公司 | 利用金属硅生产中产生的含SiO尾气制备SiO2气凝胶的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2637648A (en) * | 1948-08-11 | 1953-05-05 | Marvin J Udy | Production of ferrosilicon |
| US3215522A (en) * | 1960-11-22 | 1965-11-02 | Union Carbide Corp | Silicon metal production |
| US3758289A (en) * | 1970-05-01 | 1973-09-11 | Ethyl Corp | Prereduction process |
| US3704114A (en) * | 1971-03-17 | 1972-11-28 | Union Carbide Corp | Process and furnace charge for use in the production of ferrosilicon alloys |
-
1972
- 1972-01-25 NO NO00173/72A patent/NO129623B/no unknown
- 1972-12-27 ZA ZA729101A patent/ZA729101B/xx unknown
-
1973
- 1973-01-09 IT IT19095/73A patent/IT978060B/it active
- 1973-01-16 US US324114A patent/US3887359A/en not_active Expired - Lifetime
- 1973-01-18 CA CA161,572A patent/CA987884A/en not_active Expired
- 1973-01-19 FR FR7301977A patent/FR2169100B1/fr not_active Expired
- 1973-01-23 YU YU00282/73A patent/YU28273A/xx unknown
- 1973-01-24 ES ES410909A patent/ES410909A1/es not_active Expired
- 1973-01-24 DE DE2303242A patent/DE2303242A1/de not_active Withdrawn
- 1973-01-24 JP JP958273A patent/JPS5313169B2/ja not_active Expired
- 1973-01-24 AU AU51385/73A patent/AU477309B2/en not_active Expired
- 1973-01-24 SE SE7300965A patent/SE382042B/xx unknown
- 1973-02-06 IN IN268/CAL/73A patent/IN139737B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3887359A (en) | 1975-06-03 |
| ES410909A1 (es) | 1976-01-16 |
| JPS4883027A (xx) | 1973-11-06 |
| FR2169100B1 (xx) | 1975-01-17 |
| DE2303242A1 (de) | 1973-08-02 |
| AU5138573A (en) | 1974-07-25 |
| CA987884A (en) | 1976-04-27 |
| ZA729101B (en) | 1974-08-28 |
| IN139737B (xx) | 1976-07-24 |
| JPS5313169B2 (xx) | 1978-05-08 |
| FR2169100A1 (xx) | 1973-09-07 |
| AU477309B2 (en) | 1976-10-21 |
| IT978060B (it) | 1974-09-20 |
| YU28273A (en) | 1982-05-31 |
| SE382042B (sv) | 1976-01-12 |
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