JPS638043B2 - - Google Patents
Info
- Publication number
- JPS638043B2 JPS638043B2 JP14690880A JP14690880A JPS638043B2 JP S638043 B2 JPS638043 B2 JP S638043B2 JP 14690880 A JP14690880 A JP 14690880A JP 14690880 A JP14690880 A JP 14690880A JP S638043 B2 JPS638043 B2 JP S638043B2
- Authority
- JP
- Japan
- Prior art keywords
- silicon
- sodium
- silicofluoride
- purity
- fluoride
- 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
- 229910052708 sodium Inorganic materials 0.000 claims description 34
- 239000011734 sodium Substances 0.000 claims description 34
- 229910052710 silicon Inorganic materials 0.000 claims description 33
- 239000010703 silicon Substances 0.000 claims description 33
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 32
- 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 claims description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 239000011775 sodium fluoride Substances 0.000 claims description 16
- 235000013024 sodium fluoride Nutrition 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 235000010755 mineral Nutrition 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 150000003385 sodium Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14690880A JPS5771813A (en) | 1980-10-22 | 1980-10-22 | Production of silicon from sodium silicofluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14690880A JPS5771813A (en) | 1980-10-22 | 1980-10-22 | Production of silicon from sodium silicofluoride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5771813A JPS5771813A (en) | 1982-05-04 |
| JPS638043B2 true JPS638043B2 (enrdf_load_stackoverflow) | 1988-02-19 |
Family
ID=15418283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14690880A Granted JPS5771813A (en) | 1980-10-22 | 1980-10-22 | Production of silicon from sodium silicofluoride |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5771813A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5142211B2 (ja) * | 2008-10-02 | 2013-02-13 | 国立大学法人東北大学 | シリコン結晶の製造方法および太陽電池膜の製造方法 |
| CN106517246B (zh) * | 2016-11-21 | 2018-08-07 | 衡阳市锦轩化工有限公司 | 一种连续生产氟化钠的方法 |
-
1980
- 1980-10-22 JP JP14690880A patent/JPS5771813A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5771813A (en) | 1982-05-04 |
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