DE2043835A1 - - Google Patents
Info
- Publication number
- DE2043835A1 DE2043835A1 DE19702043835 DE2043835A DE2043835A1 DE 2043835 A1 DE2043835 A1 DE 2043835A1 DE 19702043835 DE19702043835 DE 19702043835 DE 2043835 A DE2043835 A DE 2043835A DE 2043835 A1 DE2043835 A1 DE 2043835A1
- Authority
- DE
- Germany
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
-
- 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
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702043835 DE2043835B2 (de) | 1970-09-04 | 1970-09-04 | Vorrichtung zur herstellung von ferrolegierungen und ver fahren zum betrieb der vorrichtung |
| FR7130355A FR2104575A5 (en) | 1970-09-04 | 1971-08-20 | Ferro alloys - prodn with low nitrogen content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702043835 DE2043835B2 (de) | 1970-09-04 | 1970-09-04 | Vorrichtung zur herstellung von ferrolegierungen und ver fahren zum betrieb der vorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2043835B2 DE2043835B2 (de) | 1972-03-09 |
| DE2043835A1 true DE2043835A1 (https=) | 1972-03-09 |
Family
ID=5781547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702043835 Pending DE2043835B2 (de) | 1970-09-04 | 1970-09-04 | Vorrichtung zur herstellung von ferrolegierungen und ver fahren zum betrieb der vorrichtung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2043835B2 (https=) |
| FR (1) | FR2104575A5 (https=) |
-
1970
- 1970-09-04 DE DE19702043835 patent/DE2043835B2/de active Pending
-
1971
- 1971-08-20 FR FR7130355A patent/FR2104575A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2104575A5 (en) | 1972-04-14 |
| DE2043835B2 (de) | 1972-03-09 |