FR2117919A1 - Vanadium extraction - by roasting in two or three stages - Google Patents

Vanadium extraction - by roasting in two or three stages

Info

Publication number
FR2117919A1
FR2117919A1 FR7143849A FR7143849A FR2117919A1 FR 2117919 A1 FR2117919 A1 FR 2117919A1 FR 7143849 A FR7143849 A FR 7143849A FR 7143849 A FR7143849 A FR 7143849A FR 2117919 A1 FR2117919 A1 FR 2117919A1
Authority
FR
France
Prior art keywords
degrees
ore
concentrate
sulphate
iron
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.)
Granted
Application number
FR7143849A
Other languages
French (fr)
Other versions
FR2117919B1 (en
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.)
Western Mining Corp Ltd
Original Assignee
Western Mining Corp 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 Western Mining Corp Ltd filed Critical Western Mining Corp Ltd
Publication of FR2117919A1 publication Critical patent/FR2117919A1/en
Application granted granted Critical
Publication of FR2117919B1 publication Critical patent/FR2117919B1/fr
Granted 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
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/22—Obtaining vanadium

Landscapes

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

Abstract

In the 2 stage process at 750 degrees C - 850 degrees C and 1200 degrees - 1280 degrees C a mixture of NaCl and Na2SO4 are roasted with ore or the concentrate. Na2SO4 can be replaced by Iron or Ammonium-sulphate and the latter can be regained by washing the flue gases, resulting in ammoniumchloride which can be used later to ppte. V from soln. In the 3 stage process at 500 degrees - 700 degrees C, 750 degrees - 850 degrees C and 1200 degrees - 1280 degrees C Iron and Ammonium sulphate are used or a sulphide or sulphate e.g. Iron pyrite or elementary sulphur. At 450 degrees C the equilibrium conditions are such that a maximal amount of trioxide results the Vanadiumpentoxide and Ferric oxide act as catalytic accelerators. In every process the V ore or concentrate are first fine-crushed and ground and salt and concentrate or V ore are carefully mixed. Roasting is under oxidising condns.
FR7143849A 1970-12-08 1971-12-07 Vanadium extraction - by roasting in two or three stages Granted FR2117919A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA342970 1970-12-08

Publications (2)

Publication Number Publication Date
FR2117919A1 true FR2117919A1 (en) 1972-07-28
FR2117919B1 FR2117919B1 (en) 1975-08-29

Family

ID=3764720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143849A Granted FR2117919A1 (en) 1970-12-08 1971-12-07 Vanadium extraction - by roasting in two or three stages

Country Status (4)

Country Link
CA (1) CA957510A (en)
DE (1) DE2160517A1 (en)
FR (1) FR2117919A1 (en)
ZA (1) ZA717165B (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
CA957510A (en) 1974-11-12
FR2117919B1 (en) 1975-08-29
ZA717165B (en) 1972-07-26
DE2160517A1 (en) 1972-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse