Title:
METHOD FOR OBTAINING GOLD, SILVER AND PLATINUM GROUP METALS
Document Type and Number:
WIPO Patent Application WO/2019/137714
Kind Code:
A1
Abstract:
The invention relates to a method for obtaining gold, silver and platinum group metals from starting materials. According to the invention, the starting materials are treated with a gaseous oxidising agent in an aqueous solution of iodide ions at a pH of 3 to 10.
Inventors:
BALDIZZONE CLAUDIO (DE)
Application Number:
PCT/EP2018/084170
Publication Date:
July 18, 2019
Filing Date:
December 10, 2018
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
International Classes:
C22B3/00
Foreign References:
| RU2071980C1 | 1997-01-20 | |||
| US5328669A | 1994-07-12 | |||
| DE102015118279A1 | 2017-04-27 | |||
| US20140230604A1 | 2014-08-21 |
Other References:
SALTANAT SABITOVNA KONYRATBEKOVA ET AL: "Non-cyanide Leaching Processes in Gold Hydrometallurgy and Iodine-Iodide Applications: A Review", MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW, vol. 36, no. 3, 10 November 2014 (2014-11-10), US, pages 198 - 212, XP055376481, ISSN: 0882-7508, DOI: 10.1080/08827508.2014.942813
ARTIKEL N. HODNIK; C. BALDIZZONE: "Platinum recycling going green via induced surface potential alteration enabling fast and efficient dissolution", NATURE COMMUNICATIONS, vol. 7, 2016
ARTIKEL N. HODNIK; C. BALDIZZONE: "Platinum recycling going green via induced surface potential alteration enabling fast and efficient dissolution", NATURE COMMUNICATIONS, vol. 7, 2016
Download PDF: