DE2201276C3 - Verfahren zur Herstellung von Silicium oder Siliciumlegierungen - Google Patents
Verfahren zur Herstellung von Silicium oder SiliciumlegierungenInfo
- Publication number
- DE2201276C3 DE2201276C3 DE2201276A DE2201276A DE2201276C3 DE 2201276 C3 DE2201276 C3 DE 2201276C3 DE 2201276 A DE2201276 A DE 2201276A DE 2201276 A DE2201276 A DE 2201276A DE 2201276 C3 DE2201276 C3 DE 2201276C3
- Authority
- DE
- Germany
- Prior art keywords
- silicon
- dust
- granules
- furnace
- dioxide
- 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.)
- Expired
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 13
- 229910052710 silicon Inorganic materials 0.000 title claims description 12
- 239000010703 silicon Substances 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910000676 Si alloy Inorganic materials 0.000 title claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 45
- 239000000428 dust Substances 0.000 claims description 24
- 239000008187 granular material Substances 0.000 claims description 24
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 13
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 claims description 2
- 238000005367 electrostatic precipitation Methods 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 2
- 238000003915 air pollution Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims 1
- DYRBFMPPJATHRF-UHFFFAOYSA-N chromium silicon Chemical compound [Si].[Cr] DYRBFMPPJATHRF-UHFFFAOYSA-N 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- -1 ferrosilicon Chemical compound 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 claims 1
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 239000006004 Quartz sand Substances 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000011575 calcium Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 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
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 description 1
- 235000019402 calcium peroxide Nutrition 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium 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
- C01B33/021—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE00568/71A SE340272B (en:Method) | 1971-01-19 | 1971-01-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2201276A1 DE2201276A1 (de) | 1972-08-03 |
DE2201276B2 DE2201276B2 (de) | 1975-01-09 |
DE2201276C3 true DE2201276C3 (de) | 1975-08-21 |
Family
ID=20256781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2201276A Expired DE2201276C3 (de) | 1971-01-19 | 1972-01-12 | Verfahren zur Herstellung von Silicium oder Siliciumlegierungen |
Country Status (12)
Country | Link |
---|---|
US (1) | US3806586A (en:Method) |
JP (1) | JPS5338252B1 (en:Method) |
AU (1) | AU465640B2 (en:Method) |
BR (1) | BR7105878D0 (en:Method) |
CA (1) | CA955034A (en:Method) |
CH (1) | CH583297A5 (en:Method) |
DE (1) | DE2201276C3 (en:Method) |
ES (1) | ES394827A1 (en:Method) |
FR (1) | FR2122839A5 (en:Method) |
SE (1) | SE340272B (en:Method) |
YU (1) | YU34432B (en:Method) |
ZA (1) | ZA715667B (en:Method) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388080A (en) * | 1982-02-12 | 1983-06-14 | Atlantic Richfield Company | Process for recovery of high purity silicon |
CN106672973B (zh) * | 2016-12-09 | 2019-01-11 | 成都斯力康科技股份有限公司 | 一种利用硅厂碎硅进行再生熔炼的控制系统及方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB189918659A (en) * | 1899-09-15 | 1900-07-28 | Bernhard Scheid | Improvements in the Manufacture of Preparation of Crystalline Silicon. |
US869276A (en) * | 1906-09-22 | 1907-10-29 | Frank J Tone | Process of reducing compounds with electrically-developed heat. |
US1028151A (en) * | 1907-04-08 | 1912-06-04 | Frank J Tone | Reduction of refractory ores. |
US1061256A (en) * | 1911-11-28 | 1913-05-13 | Carborundum Co | Manufacture of silicon. |
US1293008A (en) * | 1917-09-13 | 1919-02-04 | Joseph M Fornaris And Co | Process for the extraction of silica from rice-hulls, &c. |
US2047614A (en) * | 1932-07-09 | 1936-07-14 | Cavezzale Candido | Production of alkali metal silicates |
-
1971
- 1971-01-19 SE SE00568/71A patent/SE340272B/xx unknown
- 1971-06-14 US US00153028A patent/US3806586A/en not_active Expired - Lifetime
- 1971-06-30 JP JP4736071A patent/JPS5338252B1/ja active Pending
- 1971-08-18 AU AU32490/71A patent/AU465640B2/en not_active Expired
- 1971-08-19 YU YU2133/71A patent/YU34432B/xx unknown
- 1971-08-24 ZA ZA715667A patent/ZA715667B/xx unknown
- 1971-09-06 ES ES394827A patent/ES394827A1/es not_active Expired
- 1971-09-06 BR BR5878/71A patent/BR7105878D0/pt unknown
- 1971-09-07 CA CA122,192A patent/CA955034A/en not_active Expired
- 1971-09-30 FR FR7135217A patent/FR2122839A5/fr not_active Expired
-
1972
- 1972-01-12 DE DE2201276A patent/DE2201276C3/de not_active Expired
- 1972-01-18 CH CH70672A patent/CH583297A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5338252B1 (en:Method) | 1978-10-14 |
ZA715667B (en) | 1973-04-25 |
US3806586A (en) | 1974-04-23 |
BR7105878D0 (pt) | 1973-04-05 |
CH583297A5 (en:Method) | 1976-12-31 |
CA955034A (en) | 1974-09-24 |
ES394827A1 (es) | 1974-12-01 |
AU465640B2 (en) | 1973-02-22 |
YU213371A (en) | 1978-12-31 |
DE2201276A1 (de) | 1972-08-03 |
DE2201276B2 (de) | 1975-01-09 |
AU3249071A (en) | 1973-02-22 |
FR2122839A5 (en:Method) | 1972-09-01 |
YU34432B (en) | 1979-07-10 |
SE340272B (en:Method) | 1971-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |