DE3425716C2 - Verfahren zur Reduktion von oxidischen Rohstoffen - Google Patents
Verfahren zur Reduktion von oxidischen RohstoffenInfo
- Publication number
- DE3425716C2 DE3425716C2 DE19843425716 DE3425716A DE3425716C2 DE 3425716 C2 DE3425716 C2 DE 3425716C2 DE 19843425716 DE19843425716 DE 19843425716 DE 3425716 A DE3425716 A DE 3425716A DE 3425716 C2 DE3425716 C2 DE 3425716C2
- Authority
- DE
- Germany
- Prior art keywords
- carbon
- raw materials
- reducing agent
- shaft furnace
- electric low
- 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
- 239000002994 raw material Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 6
- 239000010453 quartz Substances 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims abstract 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000004484 Briquette Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 3
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/02—Preparation of phosphorus
- C01B25/027—Preparation of phosphorus of yellow phosphorus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/06—Dry methods smelting of sulfides or formation of mattes by carbides or the like
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843425716 DE3425716C2 (de) | 1983-11-26 | 1984-03-30 | Verfahren zur Reduktion von oxidischen Rohstoffen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3342890 | 1983-11-26 | ||
| DE19843425716 DE3425716C2 (de) | 1983-11-26 | 1984-03-30 | Verfahren zur Reduktion von oxidischen Rohstoffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3425716A1 DE3425716A1 (de) | 1985-06-27 |
| DE3425716C2 true DE3425716C2 (de) | 1987-02-12 |
Family
ID=25815938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843425716 Expired DE3425716C2 (de) | 1983-11-26 | 1984-03-30 | Verfahren zur Reduktion von oxidischen Rohstoffen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3425716C2 (el) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798659A (en) * | 1986-12-22 | 1989-01-17 | Dow Corning Corporation | Addition of calcium compounds to the carbothermic reduction of silica |
| DE59202442D1 (de) * | 1991-08-08 | 1995-07-13 | Applied Ind Materials | Verfahren zur Erzeugung von Silicium im Elektroniederschachtofen und Rohstoff-Formlinge für die Durchführung des Verfahrens. |
-
1984
- 1984-03-30 DE DE19843425716 patent/DE3425716C2/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3425716A1 (de) | 1985-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AC | Divided out of |
Ref country code: DE Ref document number: 3411731 Format of ref document f/p: P |
|
| 8110 | Request for examination paragraph 44 | ||
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|
| D2 | Grant after examination | ||
| AC | Divided out of |
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|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: APPLIED INDUSTRIAL MATERIALS CORP., DEERFIELD, ILL |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: ANDREJEWSKI, W., DIPL.-PHYS. DR.RER.NAT. HONKE, M., DIPL.-ING. DR.-ING. MASCH, K., DIPL.-PHYS. DR.RER.NAT. ALBRECHT, R., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 4300 ESSEN |
|
| 8339 | Ceased/non-payment of the annual fee |