FR655793A - Procédé de purification déminerais de chrome - Google Patents
Procédé de purification déminerais de chromeInfo
- Publication number
- FR655793A FR655793A FR655793DA FR655793A FR 655793 A FR655793 A FR 655793A FR 655793D A FR655793D A FR 655793DA FR 655793 A FR655793 A FR 655793A
- Authority
- FR
- France
- Prior art keywords
- chromium
- purification process
- mine
- mine purification
- purification
- 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
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
- 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)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE655793X | 1927-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR655793A true FR655793A (fr) | 1929-04-23 |
Family
ID=6582163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR655793D Expired FR655793A (fr) | 1927-04-16 | 1928-04-16 | Procédé de purification déminerais de chrome |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR655793A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4432515A (en) * | 1981-03-12 | 1984-02-21 | Valmet Oy | Liquid fuel tank for an airplane and method and apparatus for manufacturing the same |
-
1928
- 1928-04-16 FR FR655793D patent/FR655793A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4432515A (en) * | 1981-03-12 | 1984-02-21 | Valmet Oy | Liquid fuel tank for an airplane and method and apparatus for manufacturing the same |
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