(19)
(11) EP 1 929 056 A1

(12)

(43) Date of publication:
11.06.2008 Bulletin 2008/24

(21) Application number: 05789466.9

(22) Date of filing: 30.09.2005
(51) International Patent Classification (IPC): 
C22B 3/06(2006.01)
C22B 26/22(2006.01)
C22B 3/08(2006.01)
C22B 23/00(2006.01)
(86) International application number:
PCT/AU2005/001497
(87) International publication number:
WO 2007/035978 (05.04.2007 Gazette 2007/14)
(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
Designated Extension States:
AL BA MK

(71) Applicant: BHP Billiton Innovation Pty Ltd
Melbourne, Victoria 3000 (AU)

(72) Inventors:
  • LIU, Houyuan
    New South Wales 2307 (AU)
  • ROCHE, Eric, Girvan
    New South Wales 2284 (AU)
  • PRASAD, Jaidev
    New South Wales 2307 (AU)

(74) Representative: Moy, David 
Appleyard Lees, 15 Clare Road
Halifax HX1 2HY
Halifax HX1 2HY (GB)

   


(54) PROCESS FOR LEACHING LATERITIC ORE AT ATMOSPHERIC PRESSURE