Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores

Details for Australian Patent Application No. 2002350323 (hide)

Owner Falconbridge Limited

Inventors Boissoneault, Marc; Buarzaiga, Mohamed; Potter, Carlton A; Marshall, Debbie; Hoffman, Maxine

Agent Cullen & Co

Pub. Number AU-B-2002350323

PCT Number PCT/CA02/01930

PCT Pub. Number WO2003/056045

Priority 2,366,095 21.12.01 CA

Filing date 16 December 2002

Wipo publication date 15 July 2003

Acceptance publication date 25 January 2007

International Classifications

C22B 23/00 (2006.01) Obtaining nickel or cobalt

B01D 11/00 (2006.01) Solvent extraction

B01D 49/00 (2006.01) Separating dispersed particles from gases, air or vapours by other methods

C01G 37/00 (2006.01) Compounds of chromium

C01G 39/00 (2006.01) Compounds of molybdenum

C01G 41/00 (2006.01) Compounds of tungsten

C22B 1/00 (2006.01) Preliminary treatment of ores or scrap

C22B 3/04 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/08 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 34/30 (2006.01) Obtaining refractory metals

C22B 34/32 (2006.01) Obtaining refractory metals

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 2,366,095 21.12.01 CA

4 September 2003 Application Open to Public Inspection

  Published as AU-B-2002350323

25 January 2007 Application Accepted

  Published as AU-B-2002350323

31 May 2007 Standard Patent Sealed

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