GB698228A - Production of pure selenium - Google Patents

Production of pure selenium

Info

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
Application number
GB9126/52A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GOLD und SILBER SCHEIDEANSTALE
Evonik Operations GmbH
Original Assignee
GOLD und SILBER SCHEIDEANSTALE
Deutsche Gold und Silber Scheideanstalt
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GOLD und SILBER SCHEIDEANSTALE, Deutsche Gold und Silber Scheideanstalt filed Critical GOLD und SILBER SCHEIDEANSTALE
Publication of GB698228A publication Critical patent/GB698228A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00Selenium; Tellurium; Compounds thereof
    • C01B19/02Elemental 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.
GB9126/52A 1951-06-09 1952-04-09 Production of pure selenium Expired GB698228A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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