(19)
(11) EP 3 472 372 A1

(12)

(43) Date of publication:
24.04.2019 Bulletin 2019/17

(21) Application number: 16905364.2

(22) Date of filing: 17.06.2016
(51) International Patent Classification (IPC): 
C25C 1/20(2006.01)
C02F 103/16(2006.01)
C22B 3/46(2006.01)
 C02F 103/10(2006.01)
C02F 1/62(2006.01)
C22B 11/00(2006.01)
(86) International application number:
PCT/FI2016/050442
(87) International publication number:
WO 2017/216417 (21.12.2017 Gazette 2017/51)
(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:
  • LUNDSTRÖM, Mari
    00250 Helsinki (FI)
  • YLINIEMI, Kirsi
    02130 Espoo (FI)

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

   


(54) A METHOD OF RECOVERING GOLD FROM A GOLD-BEARING CONCENTRATED COPPER CHLORIDE SOLUTION