IN159229B - - Google Patents
Info
- Publication number
- IN159229B IN159229B IN515/CAL/84A IN515CA1984A IN159229B IN 159229 B IN159229 B IN 159229B IN 515CA1984 A IN515CA1984 A IN 515CA1984A IN 159229 B IN159229 B IN 159229B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843415105 DE3415105A1 (en) | 1984-04-21 | 1984-04-21 | Process for treating chromite ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN159229B true IN159229B (en) | 1987-04-18 |
Family
ID=6234169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN515/CAL/84A IN159229B (en) | 1984-04-21 | 1984-07-17 |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE3415105A1 (en) |
| FI (1) | FI75192C (en) |
| IN (1) | IN159229B (en) |
| PH (1) | PH22595A (en) |
| ZA (1) | ZA852960B (en) |
| ZW (1) | ZW7285A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2655864B2 (en) * | 1988-03-14 | 1997-09-24 | 昭和電工株式会社 | Method for producing high reduced chromium ore powder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2339793A (en) * | 1940-11-23 | 1944-01-25 | Moeklebust Olav | Method of treating ferruginous minerals containing other metal constituents |
| US2905546A (en) * | 1957-12-05 | 1959-09-22 | American Chrome Company | Chemical upgrading of chromium bearing materials |
| GB980864A (en) * | 1960-01-15 | 1965-01-20 | Laporte Titanium Ltd | Improved process for the beneficiation of ores |
| GB1040443A (en) * | 1962-05-02 | 1966-08-24 | Nat Res Dev | Treatment of chromite |
| US3508906A (en) * | 1967-08-30 | 1970-04-28 | Foote Mineral Co | Beneficiation of chromium ore to reduce the iron content |
-
1984
- 1984-04-21 DE DE19843415105 patent/DE3415105A1/en not_active Withdrawn
- 1984-07-17 IN IN515/CAL/84A patent/IN159229B/en unknown
-
1985
- 1985-02-22 FI FI850749A patent/FI75192C/en not_active IP Right Cessation
- 1985-03-29 PH PH32073A patent/PH22595A/en unknown
- 1985-04-17 ZW ZW72/85A patent/ZW7285A1/en unknown
- 1985-04-19 ZA ZA852960A patent/ZA852960B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI850749A0 (en) | 1985-02-22 |
| FI850749L (en) | 1985-10-22 |
| ZW7285A1 (en) | 1986-11-19 |
| FI75192B (en) | 1988-01-29 |
| FI75192C (en) | 1988-05-09 |
| PH22595A (en) | 1988-10-17 |
| DE3415105A1 (en) | 1985-10-31 |
| ZA852960B (en) | 1986-12-30 |