ES275401A1 - Production of pure chromium by electrolyzing process - Google Patents
Production of pure chromium by electrolyzing processInfo
- Publication number
- ES275401A1 ES275401A1 ES0275401A ES275401A ES275401A1 ES 275401 A1 ES275401 A1 ES 275401A1 ES 0275401 A ES0275401 A ES 0275401A ES 275401 A ES275401 A ES 275401A ES 275401 A1 ES275401 A1 ES 275401A1
- Authority
- ES
- Spain
- Prior art keywords
- chromium
- case
- alloy
- chlorides
- metal
- 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
- C25C3/32—Electrolytic production, recovery or refining of metals by electrolysis of melts of chromium
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)
Abstract
Pure chromium is made by fusion electrolysis using as electrolyte one or more alkali metal or alkaline earth metal chlorides, one component being sodium chloride, a mixture of chromium chlorides with an average valency between 2 and 3, and up to 5% of free sodium, and using as anode a ferro-chrome alloy and one of Cu, Ti, Si, Sn, or similar metal in the same electro-potential range. For example, an alloy of Fe 20%, Cr 49%, Si 30%. In the case of Cu and Ti the content of these is higher than in the case of Si, and in the case of Sn is lower. The alloy in the form of particles held in a basket, was held in molten NaCl containing 5% of chromium chlorides valency 2.05 and 0.1% of free sodium, maintained at 860 DEG C. The cathode was of stainless steel, and an inert atmosphere was used. The chromium metal crystals deposited contained 0.75% iron, and negligible interstitial impurities.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR860298A FR1301820A (en) | 1961-04-28 | 1961-04-28 | Electrolytically produced pure chromium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES275401A1 true ES275401A1 (en) | 1962-05-16 |
Family
ID=8754140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0275401A Expired ES275401A1 (en) | 1961-04-28 | 1962-03-12 | Production of pure chromium by electrolyzing process |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE616978A (en) |
| ES (1) | ES275401A1 (en) |
| FR (1) | FR1301820A (en) |
| GB (1) | GB1010262A (en) |
| LU (1) | LU41614A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011083337A1 (en) | 2010-01-11 | 2011-07-14 | Stevetv Limited | A system for supplying targeted advertisements to consumers of video and/or audio services |
-
1961
- 1961-04-28 FR FR860298A patent/FR1301820A/en not_active Expired
-
1962
- 1962-03-12 ES ES0275401A patent/ES275401A1/en not_active Expired
- 1962-04-26 LU LU41614D patent/LU41614A1/xx unknown
- 1962-04-27 GB GB1626562A patent/GB1010262A/en not_active Expired
- 1962-04-27 BE BE616978A patent/BE616978A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE616978A (en) | 1962-08-16 |
| GB1010262A (en) | 1965-11-17 |
| FR1301820A (en) | 1962-08-24 |
| LU41614A1 (en) | 1962-06-26 |
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