A process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the pH of the solution

Details for Australian Patent Application No. 2007271665 (hide)

Owner Vale S.A.

Inventors Evelin, Salomao Solino; Carmo, Omar Antunes Do; Torres, Vanessa Macedo; Costa, Marcelo Augusto Castro Lopes Da

Agent Watermark

Pub. Number AU-B-2007271665

PCT Pub. Number WO2008/003152

Priority PI 0602787-3 03.07.06 BR

Filing date 25 June 2007

Wipo publication date 10 January 2008

Acceptance publication date 8 March 2012

International Classifications

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

C22B 3/20 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 23/00 (2006.01) Obtaining nickel or cobalt

Event Publications

29 January 2009 PCT application entered the National Phase

  PCT publication WO2008/003152 Priority application(s): WO2008/003152

6 October 2011 Alteration of Name

  The name of the applicant has been altered to Vale S.A.

8 March 2012 Application Accepted

  Published as AU-B-2007271665

5 July 2012 Standard Patent Sealed

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