FR2153223A1 - - Google Patents
Info
- Publication number
- FR2153223A1 FR2153223A1 FR7208835A FR7208835A FR2153223A1 FR 2153223 A1 FR2153223 A1 FR 2153223A1 FR 7208835 A FR7208835 A FR 7208835A FR 7208835 A FR7208835 A FR 7208835A FR 2153223 A1 FR2153223 A1 FR 2153223A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- 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
- C22B1/02—Roasting processes
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7345671A JPS4838817A (de) | 1971-09-22 | 1971-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2153223A1 true FR2153223A1 (de) | 1973-05-04 |
| FR2153223B1 FR2153223B1 (de) | 1977-06-17 |
Family
ID=13518748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208835A Expired FR2153223B1 (de) | 1971-09-22 | 1972-03-14 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4838817A (de) |
| DE (1) | DE2209384A1 (de) |
| FR (1) | FR2153223B1 (de) |
| GB (1) | GB1352978A (de) |
| IT (1) | IT948730B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162140A (en) * | 1977-09-26 | 1979-07-24 | John Zink Company | NOx abatement in burning of gaseous or liquid fuels |
| IT1269994B (it) * | 1993-09-30 | 1997-04-16 | Bayer Ag | Metodo per la fabbricazione di cromati alcalini da minerale di cromo |
| DE4333349C2 (de) * | 1993-09-30 | 1999-03-11 | Bayer Ag | Verfahren zur Herstellung von Alkalichromaten aus Chromerz |
| JP2005015327A (ja) | 2003-05-30 | 2005-01-20 | Jfe Mineral Co Ltd | 金属の複合酸化物の製造方法 |
| CN112661186A (zh) * | 2020-12-25 | 2021-04-16 | 四川省绵阳市华意达化工有限公司 | 一种铬铁矿底吹富氧低碱焙烧的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034343Y2 (de) * | 1971-06-18 | 1975-10-06 |
-
1971
- 1971-09-22 JP JP7345671A patent/JPS4838817A/ja active Pending
-
1972
- 1972-02-25 IT IT4855672A patent/IT948730B/it active
- 1972-02-28 DE DE19722209384 patent/DE2209384A1/de active Pending
- 1972-03-03 GB GB1008372A patent/GB1352978A/en not_active Expired
- 1972-03-14 FR FR7208835A patent/FR2153223B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT948730B (it) | 1973-06-11 |
| FR2153223B1 (de) | 1977-06-17 |
| DE2209384A1 (de) | 1973-03-29 |
| JPS4838817A (de) | 1973-06-07 |
| GB1352978A (en) | 1974-05-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |