CA2623200C - Procede pyro-metallurgique de traitement de matieres contenant des metaux - Google Patents

Procede pyro-metallurgique de traitement de matieres contenant des metaux Download PDF

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Publication number
CA2623200C
CA2623200C CA2623200A CA2623200A CA2623200C CA 2623200 C CA2623200 C CA 2623200C CA 2623200 A CA2623200 A CA 2623200A CA 2623200 A CA2623200 A CA 2623200A CA 2623200 C CA2623200 C CA 2623200C
Authority
CA
Canada
Prior art keywords
tungsten carbide
tungsten
slag
phase
salt
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 - Fee Related
Application number
CA2623200A
Other languages
English (en)
Other versions
CA2623200A1 (fr
Inventor
Jerome P. Downey
Peter W. Siewert
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.)
International Carbitech Industries Inc
Original Assignee
International Carbitech Industries Inc
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
Priority claimed from US08/482,129 external-priority patent/US5882620A/en
Application filed by International Carbitech Industries Inc filed Critical International Carbitech Industries Inc
Publication of CA2623200A1 publication Critical patent/CA2623200A1/fr
Application granted granted Critical
Publication of CA2623200C publication Critical patent/CA2623200C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/949—Tungsten or molybdenum carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA2623200A 1995-06-07 1996-06-07 Procede pyro-metallurgique de traitement de matieres contenant des metaux Expired - Fee Related CA2623200C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/482,129 US5882620A (en) 1995-06-07 1995-06-07 Pyrometallurgical process for forming tungsten carbide
US08/482,129 1995-06-07
CA2224185A CA2224185C (fr) 1995-06-07 1996-06-07 Procede pyro-metallurgique de traitement de matieres contenant des metaux

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2224185A Division CA2224185C (fr) 1995-06-07 1996-06-07 Procede pyro-metallurgique de traitement de matieres contenant des metaux

Publications (2)

Publication Number Publication Date
CA2623200A1 CA2623200A1 (fr) 1996-12-19
CA2623200C true CA2623200C (fr) 2013-06-04

Family

ID=39473558

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2623200A Expired - Fee Related CA2623200C (fr) 1995-06-07 1996-06-07 Procede pyro-metallurgique de traitement de matieres contenant des metaux

Country Status (1)

Country Link
CA (1) CA2623200C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114317989B (zh) * 2021-12-28 2022-10-14 厦门大学 一种废钨渣中有价金属的回收方法

Also Published As

Publication number Publication date
CA2623200A1 (fr) 1996-12-19

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Effective date: 20080327

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