(19)
(11) EP 1 984 528 A1

(12)

(43) Date of publication:
29.10.2008 Bulletin 2008/44

(21) Application number: 07701420.7

(22) Date of filing: 31.01.2007
(51) International Patent Classification (IPC): 
C22B 3/08(2006.01)
C22B 3/44(2006.01)
(86) International application number:
PCT/AU2007/000087
(87) International publication number:
WO 2007/087675 (09.08.2007 Gazette 2007/32)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 31.01.2006 AU 2006900441
03.03.2006 AU 2006901075

(71) Applicant: Murrin Murrin Operations Pty Ltd
Perth, WA 6000 (AU)

(72) Inventors:
  • RODRIGUEZ, Michael
    Kingsley, Western Australia 6026 (AU)
  • WEDDERBURN, Bruce
    Glen Waverley, Victoria 3150 (AU)
  • CROSSLEY, Brett
    Mahogany Creek, Western Australia 6072 (AU)

(74) Representative: Keen, Celia Mary et al
J.A. Kemp & Co. 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) IMPROVED BASE METAL RECOVERY PROCESS FROM HEAP LEACHING