GB494386A - Improvements in or relating to the production of metallic magnesium - Google Patents
Improvements in or relating to the production of metallic magnesiumInfo
- Publication number
- GB494386A GB494386A GB3955/38A GB395538A GB494386A GB 494386 A GB494386 A GB 494386A GB 3955/38 A GB3955/38 A GB 3955/38A GB 395538 A GB395538 A GB 395538A GB 494386 A GB494386 A GB 494386A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- magnesium
- pieces
- hardened
- silicon
- 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)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
494,386. Magnesium. MAGNESIUM ELEKTRON, Ltd. Feb. 8, 1938, No. 3955. Convention date, April 5, 1937. [Class 82 (i)] A mixture for use in the thermal production of magnesium from dolomite or magnesite is made by forming a pulverulent mixture of burnt dolomite, or burnt magnesite and quicklime, with silicon (ferrosilicon) or aluminium serving as reducing agent, suitably shaping the mixture, and heating it in hydrogen &c. to 850-1200‹ C. in the case where silicon is used as the reducing agent, or to 700-1050‹ C. in the case of aluminium, until a hardening of the mixture has taken place. Shaped pieces of the mixture may be introduced at i into a rotating iron tube a supplied with hydrogen &c. at h and heated by resistances b supplied with current at c. After e.g. 5-30 minutes the pieces so hardened fall into a container d fitted with valves e, f. Large pieces may be hardened and subsequently broken by a roller crusher. Fluorides may be added to the mixture as described in Specifications 465,097 and 487,836.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE494386X | 1937-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB494386A true GB494386A (en) | 1938-10-25 |
Family
ID=6544702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3955/38A Expired GB494386A (en) | 1937-04-05 | 1938-02-08 | Improvements in or relating to the production of metallic magnesium |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB494386A (en) |
-
1938
- 1938-02-08 GB GB3955/38A patent/GB494386A/en not_active Expired
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