GB557553A - Improved method of and apparatus for refining metals and alloys - Google Patents
Improved method of and apparatus for refining metals and alloysInfo
- Publication number
- GB557553A GB557553A GB2741A GB2741A GB557553A GB 557553 A GB557553 A GB 557553A GB 2741 A GB2741 A GB 2741A GB 2741 A GB2741 A GB 2741A GB 557553 A GB557553 A GB 557553A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloys
- aluminium
- liquid portion
- proportion
- class
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
557,553. Alloys; aluminium. BRITISH NON- FERROUS METALS RESEARCH ASSOCIATION, LIDDIARD, E. A. G., BAKER, W. A., and GLAISHER, W. H. Jan. 1, 1941, Nos. 27 and 12249. [Class 82 (i)] Aluminium and aluminium alloys are refined and their scrap is rendered suitable for further utilization by first melting the material and then allowing it to cool until partly solidified, after which it is subjected to pressure, which may be gas pressure, for example, of nitrogen, whereby the liquid portion is expelled. Particular constituents are segrated in the solid or liquid portion, and the separate portions may be subjected to repetitions of the process. Other elements may be added to the alloys to alter the proportion of impurities obtained in the liquid and solid portions. In particular, the proportion of iron in the liquid portion may be lowered by additions of copper, silicon, zinc, or magnesium. Specification 305,640, [CLass 82 (i)], is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2741A GB557553A (en) | 1941-01-01 | 1941-01-01 | Improved method of and apparatus for refining metals and alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2741A GB557553A (en) | 1941-01-01 | 1941-01-01 | Improved method of and apparatus for refining metals and alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB557553A true GB557553A (en) | 1943-11-26 |
Family
ID=9697067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2741A Expired GB557553A (en) | 1941-01-01 | 1941-01-01 | Improved method of and apparatus for refining metals and alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB557553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004174A1 (en) * | 1978-03-08 | 1979-09-19 | Massachusetts Institute Of Technology | A process for refining a non-eutectic metal alloy |
| EP0090750A1 (en) * | 1982-03-31 | 1983-10-05 | Aluminium Pechiney | Process for obtaining very high purity aluminium in entectic elements |
-
1941
- 1941-01-01 GB GB2741A patent/GB557553A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004174A1 (en) * | 1978-03-08 | 1979-09-19 | Massachusetts Institute Of Technology | A process for refining a non-eutectic metal alloy |
| EP0090750A1 (en) * | 1982-03-31 | 1983-10-05 | Aluminium Pechiney | Process for obtaining very high purity aluminium in entectic elements |
| FR2524490A1 (en) * | 1982-03-31 | 1983-10-07 | Pechiney Aluminium | PROCESS FOR OBTAINING VERY HIGH PURITY ALUMINUM FROM EUTECTIC ELEMENTS |
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