(19)
(11) EP 2 350 327 A1

(12)

(43) Date of publication:
03.08.2011 Bulletin 2011/31

(21) Application number: 09828687.5

(22) Date of filing: 29.10.2009
(51) International Patent Classification (IPC): 
C22B 23/00(2006.01)
(86) International application number:
PCT/FI2009/050870
(87) International publication number:
WO 2010/061045 (03.06.2010 Gazette 2010/22)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 03.11.2008 FI 20080603

(71) Applicant: Outotec OYJ
02200 Espoo (FI)

(72) Inventors:
  • RUONALA, Mikko
    FIN-02460 Kantvik (FI)
  • NYMAN, Bror
    FIN-28450 Vanha-Ulvila (FI)
  • LEPPINEN, Jaakko
    FIN-29600 Noormarkku (FI)
  • MIETTINEN, Ville
    FNI-28300 Pori (FI)
  • RIIHIMÄKI, Teppo
    FIN-28430 Pori (FI)

(74) Representative: Graf Glück Habersack Kritzenberger 
Patentanwälte Wotanstraße 64
80639 München
80639 München (DE)

   


(54) METHOD FOR TREATING NICKEL LATERITE ORE