GB1070162A - Improvements in or modifications of electrolytic production of tungsten or molybdenum - Google Patents
Improvements in or modifications of electrolytic production of tungsten or molybdenumInfo
- Publication number
- GB1070162A GB1070162A GB22198/64A GB2219864A GB1070162A GB 1070162 A GB1070162 A GB 1070162A GB 22198/64 A GB22198/64 A GB 22198/64A GB 2219864 A GB2219864 A GB 2219864A GB 1070162 A GB1070162 A GB 1070162A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkaline earth
- oxide
- earth metal
- metal
- bath
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
In the continuous production of W or Mo from its oxide by electrolysis in a fused bath of at least one alkaline earth metal halide and a mixture of the oxides of at least one alkaline earth metal and of the product metal to cathodically deposit pure ductile and crystalline metal, the product metal oxide is replenished by addition as it is consumed and accumulation of surplus alkaline earth metal oxide is prevented by passing chlorine gas through the melt to convert the surplus oxide to the chloride. Typically the alkaline earth metal compounds used are those of Ca and preferably the baths contain 0.1 to 15% free CaO. In place of the mixture of alkaline earth and product metal oxides, there may be used the ores scheelite and powellite for W and Mo respectively, while for Mo production, the crude Ca Mo O4 obtained commercially by roasting MoS2 may be used. The temperature of the bath is 1000 DEG C. the applied voltage is 2.2 to 2.4 V, the cathode current density is 3.5 to 4.1 amps/in2, and chlorine is blown through the bath via a tube of quartz or silimanite (aluminium silicate). The cathode deposit is agitated in water to dissolve out adhering salt and washed in hydrochloric acid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US283697A US3297553A (en) | 1963-05-28 | 1963-05-28 | Electrolytic production of tungsten and molybdenum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1070162A true GB1070162A (en) | 1967-06-01 |
Family
ID=23087169
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38684/66A Expired GB1070163A (en) | 1963-05-28 | 1964-05-28 | Improvements relating to the electro-refining of tungsten or molybdenum |
| GB22198/64A Expired GB1070162A (en) | 1963-05-28 | 1964-05-28 | Improvements in or modifications of electrolytic production of tungsten or molybdenum |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38684/66A Expired GB1070163A (en) | 1963-05-28 | 1964-05-28 | Improvements relating to the electro-refining of tungsten or molybdenum |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3297553A (en) |
| GB (2) | GB1070163A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1195263B (en) * | 1980-03-20 | 1988-10-12 | Rambaldini Gianfranco | PROCEDURE FOR EXTRACTING HEAVY METALS FROM SULFURATED MINERAL CONCENTRATES CONTAINING THEM |
| TR200707197A1 (en) * | 2007-10-22 | 2009-04-21 | Karakaya İshak | Acquisition of tungsten and tungsten alloys from tungsten containing compounds by electrochemical methods. |
| CN106435648A (en) * | 2016-10-13 | 2017-02-22 | 北京科技大学 | Method for preparing molybdenum through high temperature electrolysis fusion of molybdenum concentrate |
| CN117026050A (en) * | 2023-09-04 | 2023-11-10 | 无锡乐普金属科技有限公司 | High-strength tungsten-molybdenum alloy and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960451A (en) * | 1959-02-25 | 1960-11-15 | Harvey L Slatin | Electrolytic production of refractory multivalent metals |
-
1963
- 1963-05-28 US US283697A patent/US3297553A/en not_active Expired - Lifetime
-
1964
- 1964-05-28 GB GB38684/66A patent/GB1070163A/en not_active Expired
- 1964-05-28 GB GB22198/64A patent/GB1070162A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3297553A (en) | 1967-01-10 |
| GB1070163A (en) | 1967-06-01 |
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