(19)
(11) EP 3 433 389 A1

(12)

(43) Date of publication:
30.01.2019 Bulletin 2019/05

(21) Application number: 16895295.0

(22) Date of filing: 22.03.2016
(51) International Patent Classification (IPC): 
C22B 3/04(2006.01)
C22B 7/00(2006.01)
 C22B 7/04(2006.01)
C22B 34/22(2006.01)
(86) International application number:
PCT/FI2016/050179
(87) International publication number:
WO 2017/162901 (28.09.2017 Gazette 2017/39)
(84) Designated Contracting States:
AL 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 RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(71) Applicant: Outotec (Finland) Oy
02230 Espoo (FI)

(72) Inventors:
  • KOTIRANTA, Tuukka
    28200 Pori (FI)
  • PALOVAARA, Petri
    28220 Pori (FI)
  • PISILÄ, Sauli
    90520 Oulu (FI)

(74) Representative: Seppo Laine Oy 
Itämerenkatu 3 B
00180 Helsinki
00180 Helsinki (FI)

   


(54) RECOVERY OF METALS FROM CALCIUM-RICH MATERIALS