A method for the removal of metals from an aqueous solution using lime precipitation

Details for Australian Patent Application No. 2002352521 (hide)

Owner Outokumpu Oyj

Inventors Sivonen, Jarmo; Hultholm, Stig-Erik; Salmi, Juhani; Nyman, Bror

Agent Griffith Hack

Pub. Number AU-B-2002352521

PCT Number PCT/FI02/00523

PCT Pub. Number WO2003/002774

Priority 20011413 29.06.01 FI

Filing date 14 June 2002

Wipo publication date 3 March 2003

Acceptance publication date 22 November 2007

International Classifications

C22B 3/44 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

C02F 1/56 (2006.01) Treatment of water, waste water, or sewage

C02F 1/58 (2006.01) Treatment of water, waste water, or sewage - by removing specified dissolved compounds

C02F 1/62 (2006.01) Treatment of water, waste water, or sewage - Heavy metal compounds

C02F 1/64 (2006.01) Treatment of water, waste water, or sewage

C02F 1/66 (2006.01) Treatment of water, waste water, or sewage - by neutralisation

C23G 1/36 (2006.01) Cleaning or pickling metallic material with solutions or molten salts

C25F 7/02 (2006.01) Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 20011413 29.06.01 FI

15 May 2003 Application Open to Public Inspection

  Published as AU-B-2002352521

22 November 2007 Application Accepted

  Published as AU-B-2002352521

20 March 2008 Standard Patent Sealed

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