GB606640A - Direct production of ductile magnesium - Google Patents
Direct production of ductile magnesiumInfo
- Publication number
- GB606640A GB606640A GB12668/42A GB1266842A GB606640A GB 606640 A GB606640 A GB 606640A GB 12668/42 A GB12668/42 A GB 12668/42A GB 1266842 A GB1266842 A GB 1266842A GB 606640 A GB606640 A GB 606640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- retort
- magnesium
- distilled
- heating
- air
- 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
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Magnesium of at least 99.7 per cent purity is obtained from magnesia-containing material by degassing said material by heating in an oxidizing atmosphere at a temperature between 650 DEG and 1000 DEG C. and then charging said material with ferro-silicon into an externally heated retort maintained at a temperature of 1,150 DEG -1,200 DEG C. maintaining the charge under vacuum until the metal has been distilled and condensed in coherent ductile form within a portion of the retort, and thereafter withdrawing the condensed metal directly from the hot retort in the presence of air. Air and gases are rapidly evacuated from the retort to provide a pressure of less than 0.5 mm. of mercury in the charge during the initial stage of the heating, before any substantial evolution of magnesium vapour, the pressure then being maintained substantially constant while the magnesium is distilled. Specifications 606,636, 606,637 and 606,641 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA606640X | 1942-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB606640A true GB606640A (en) | 1948-08-18 |
Family
ID=4171931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12668/42A Expired GB606640A (en) | 1942-01-13 | 1942-09-08 | Direct production of ductile magnesium |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB606640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973254C (en) * | 1951-01-25 | 1959-12-31 | Licentia Gmbh | Process for purifying cadmium and selenium |
| EP0889142A1 (en) * | 1997-07-02 | 1999-01-07 | Logistik Zentrum Institut für Materialfluss, Logistik und Expertensysteme GmbH | Retort furnace for the production of magnesium |
-
1942
- 1942-09-08 GB GB12668/42A patent/GB606640A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973254C (en) * | 1951-01-25 | 1959-12-31 | Licentia Gmbh | Process for purifying cadmium and selenium |
| EP0889142A1 (en) * | 1997-07-02 | 1999-01-07 | Logistik Zentrum Institut für Materialfluss, Logistik und Expertensysteme GmbH | Retort furnace for the production of magnesium |
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