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Patent Searching and Data


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:
EP2018/084170
Publication Date:
July 18, 2019
Filing Date:
December 10, 2018
Export Citation:
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Assignee:
BOSCH GMBH ROBERT (70442, DE)
International Classes:
C22B3/00
Foreign References:
RU2071980C11997-01-20
US5328669A1994-07-12
DE102015118279A12017-04-27
US20140230604A12014-08-21
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
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