GB698228A - Production of pure selenium - Google Patents
Production of pure seleniumInfo
- Publication number
- GB698228A GB698228A GB9126/52A GB912652A GB698228A GB 698228 A GB698228 A GB 698228A GB 9126/52 A GB9126/52 A GB 9126/52A GB 912652 A GB912652 A GB 912652A GB 698228 A GB698228 A GB 698228A
- Authority
- GB
- United Kingdom
- Prior art keywords
- production
- pure selenium
- selenium
- solution
- pure
- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/02—Elemental selenium or tellurium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Crude metallic selenium is dissolved in a sulphite solution and freed from impurities by an adsorbtion precipitation treatment. After separation of the precipitate pure selenium is recovered from the solution by crystallization.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE698228X | 1951-06-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB698228A true GB698228A (en) | 1953-10-07 |
Family
ID=6608108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9126/52A Expired GB698228A (en) | 1951-06-09 | 1952-04-09 | Production of pure selenium |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB698228A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2982608A (en) * | 1956-05-16 | 1961-05-02 | Solvay | Process for purifying aqueous solutions by removing heavy metals, more particularly from brines intended for electrolysis |
CN110817811A (en) * | 2019-12-12 | 2020-02-21 | 昆明冶金研究院有限公司 | Preparation method of high-purity selenium powder with uniform particle size distribution |
CN115321492A (en) * | 2022-08-31 | 2022-11-11 | 云南铜业股份有限公司西南铜业分公司 | Method for extracting and purifying selenium under normal pressure |
-
1952
- 1952-04-09 GB GB9126/52A patent/GB698228A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2982608A (en) * | 1956-05-16 | 1961-05-02 | Solvay | Process for purifying aqueous solutions by removing heavy metals, more particularly from brines intended for electrolysis |
CN110817811A (en) * | 2019-12-12 | 2020-02-21 | 昆明冶金研究院有限公司 | Preparation method of high-purity selenium powder with uniform particle size distribution |
CN115321492A (en) * | 2022-08-31 | 2022-11-11 | 云南铜业股份有限公司西南铜业分公司 | Method for extracting and purifying selenium under normal pressure |
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