GB1534225A - Recovery of selenium and/or cadmium - Google Patents

Recovery of selenium and/or cadmium

Info

Publication number
GB1534225A
GB1534225A GB3576177A GB3576177A GB1534225A GB 1534225 A GB1534225 A GB 1534225A GB 3576177 A GB3576177 A GB 3576177A GB 3576177 A GB3576177 A GB 3576177A GB 1534225 A GB1534225 A GB 1534225A
Authority
GB
United Kingdom
Prior art keywords
recovery
recovered
selenium
cadmium
pug
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
GB3576177A
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.)
Rio Tinto Services Ltd
Original Assignee
CRA Services Ltd
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 CRA Services Ltd filed Critical CRA Services Ltd
Publication of GB1534225A publication Critical patent/GB1534225A/en
Expired legal-status Critical Current

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
    • 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
    • C22B17/00—Obtaining cadmium
    • C22B17/04—Obtaining cadmium by wet processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

1534225 Selenium and cadmium recovery CRA SERVICES Ltd 25 Aug 1977 [25 Aug 1976] 35761/77 Heading C1A Se and/or Cd are recovered from materials, especially fume dusts, by mixing with strong sulphuric acid to form a pug, heating the pug at 200-350‹ C. to volatilize Se and leaching the residue to recover Cd. The heating may be effected in stages, each successive stage being conducted at a higher temperature. Volatilized Se is suitably recovered in condenser scrubbers which are preferably operated at temperatures less than 55‹ C. whereby Se is recovered in its red form. The residue is suitably leached with water or dilute sulphuric acid for the recovery of Cd.
GB3576177A 1976-08-25 1977-08-25 Recovery of selenium and/or cadmium Expired GB1534225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU715276 1976-08-25

Publications (1)

Publication Number Publication Date
GB1534225A true GB1534225A (en) 1978-11-29

Family

ID=3697760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3576177A Expired GB1534225A (en) 1976-08-25 1977-08-25 Recovery of selenium and/or cadmium

Country Status (3)

Country Link
JP (1) JPS5328596A (en)
DE (1) DE2737935A1 (en)
GB (1) GB1534225A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125022A (en) * 1982-08-04 1984-02-29 Outokumpu Oy Procedure for roasting seleniferous material
US6511636B1 (en) 1995-03-30 2003-01-28 Mitsubishi Jukogyo Kabushiki Kaisha Combustion exhaust gas treatment system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113564361A (en) * 2021-05-19 2021-10-29 兰州有色冶金设计研究院有限公司 Pyrogenic treatment and recovery process of cadmium telluride thin-film solar cell

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125022A (en) * 1982-08-04 1984-02-29 Outokumpu Oy Procedure for roasting seleniferous material
US6511636B1 (en) 1995-03-30 2003-01-28 Mitsubishi Jukogyo Kabushiki Kaisha Combustion exhaust gas treatment system
US6740297B2 (en) 1995-03-30 2004-05-25 Mitsubishi Jukogyo Kabushiki Kaisha Combustion exhaust gas treatment system
US6773680B2 (en) 1995-03-30 2004-08-10 Mitsubishi Jukogyo Kabushiki Kaisha Combustion exhaust gas treatment system

Also Published As

Publication number Publication date
JPS5328596A (en) 1978-03-16
DE2737935A1 (en) 1978-03-02

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19970824