slide 1

Back to the List of the Granted Patents                                                Click here to download AP2578 PDF

(11)    Patent No :    AP 2578   
(21)    Application No :    AP/P/2008/004499   
(22)    Filing Date :    10.11.2006   
(24)    Date of Grant &    29.01.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/735,494    10.11.2005
(84)    Designated State
T Z
(73) Applicant(s)

BARRICK GOLD CORPORATION, 161 Bay Street, Suite

3700, Canada Trust Tower, BCE Place, Toronto, Ontario
M5J 2S1,

Canada
(72) Inventors

CHOI Yeonuk, Canada

KONDOS Peter, Canada

AYLMORE Mark, Canada

et al

(74) Representative

GILL, GODLONTON & GERRANS

ZIMBABWE
 

(51)    International  Classification   C22B 3/04 (2006.01)    C22B 1/00 (2006.01)
    C22B 11/00 (2006.01)    C22B 3/06 (2006.01)
    C22B 3/12 (2006.01)    C22B 3/14 (2006.01)
    C22B 3/44 (2006.01)   
(54)    Title   
    Thiosulfate generation in situ in precious metal recovery   

(57)    Abstract

Precious metal recovery by thiosulfate leaching where thiosulfate lixiviant is generated in situ employing elemental sulfur generated from partial oxidation of sulfidic precious metal-bearing feed and/or employing reactants from processing effluent

(56)    Documents Cited :    Aylmore M.G. Vol. 14 No. 6 pp 615-637, 2001    WO 04/005556    Zhang S. Michael J. Nicol,"

The simultaneous Oxidation of Sulphide Mineral and dissolution of Gold 13 -17 Feb, 2005 pp265-281, R.G. Reggy, V, Ramachandran, eds, whole document"

Newsletter

Join our newsletter for CIPIT news through subscriptions!

SEND

Social Media

    

Contact Us

TEL : (254) 703 034 612