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

Info

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

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/36Obtaining tungsten
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/914Carbides of single elements
    • C01B32/949Tungsten or molybdenum carbides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00Compounds 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 1995-06-07
US08/482,129 US5882620A (en) 1995-06-07 1995-06-07 Pyrometallurgical process for forming tungsten carbide
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

Similar Documents

Publication Publication Date Title
JP4890327B2 (ja) タングステン酸塩を製造する方法
Jamrack Rare Metal Extraction by Chemical Engineering Techniques: International Series of Monographs on Chemical Engineering
Bordbar et al. Production of titanium tetrachloride (TiCl4) from titanium ores: A review
Eksteen et al. Cracking a hard nut: an overview of Lonmin's operations directed at smelting of UG2-rich concentrate blends
US9433038B2 (en) Fusion process using an alkali metal metalate
KR900000446B1 (ko) 산화철의 제조방법
WO1994004709A1 (fr) Amelioration de materiaux titaniferes
US3989510A (en) Manufacture of titanium chloride and metallic iron from titaniferous materials containing iron oxides
WO1996012047A1 (fr) Procede de recuperation de titane et de vanadium
NO317932B1 (no) Kvalitetsforbedring av titanholdige materialer
CA2623200C (fr) Procede pyro-metallurgique de traitement de matieres contenant des metaux
US2940827A (en) Discharge of solid by-products separated from chlorination gases
Elger Producing Chlorination-grade Feedstock from Domestic Ilmenite: Laboratory and Pilot Plant Studies
EP0105542A1 (fr) Procédé de production de chlorures métalliques
Bessinger Cooling characteristics of high titania slags
Tittle The Hydrochlorination of Beach Sand Ilmenite
TW492947B (en) Process for upgrading titaniferous material by removal of impurities
NO132491B (fr)
WO2004070066A1 (fr) Procede permettant d'accroitre le rapport chrome-fer des produits chromites
CA2137812C (fr) Enrichissement de materiaux titaniferes
AU678375C (en) Upgrading titaniferous materials
Michel LA VALORISATION DES GISEMENTS TITANIFERES. DU QUEBEC
Bordbar et al. Production of titanium tetrachloride (TiCl4) from titanium ores: A
Bordbar et al. Production of titanium tetrachloride (TiCl

Legal Events

Date Code Title Description
EEER Examination request
EEER Examination request

Effective date: 20080327

MKLA Lapsed

Effective date: 20150608