EP 4185724 A1 20230531 - METHOD OF RECOVERING A PRECIOUS METAL FROM AN ARTICLE
Title (en)
METHOD OF RECOVERING A PRECIOUS METAL FROM AN ARTICLE
Title (de)
VERFAHREN ZUR RÜCKGEWINNUNG EINES EDELMETALLS AUS EINEM ARTIKEL
Title (fr)
PROCÉDÉ DE RÉCUPÉRATION D'UN MÉTAL PRÉCIEUX DANS UN ARTICLE
Publication
Application
Priority
- GB 202011340 A 20200722
- GB 2021051871 W 20210721
Abstract (en)
[origin: WO2022018437A1] 1. The invention provides a method of recovering a precious metal in solid form from an article, the article comprising a base metal attached to the precious metal, the method comprising the steps of: (a) bioleaching of the base metal by bacterial oxidation so as to detach the precious metal in solid form from the base metal; and (b) recovering the precious metal.
IPC 8 full level
C22B 3/18 (2006.01); C22B 7/00 (2006.01); C22B 11/00 (2006.01)
CPC (source: EP)
C22B 3/18 (2013.01); C22B 7/006 (2013.01); C22B 11/046 (2013.01); Y02P 10/20 (2015.11)
Citation (search report)
See references of WO 2022018437A1
Designated contracting state (EPC)
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 state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022018437 A1 20220127; EP 4185724 A1 20230531; GB 202011340 D0 20200902
DOCDB simple family (application)
GB 2021051871 W 20210721; EP 21749272 A 20210721; GB 202011340 A 20200722