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Patent Searching and Data


Title:
METHOD FOR RECOVERING GOLD AND GOLD RECOVERY FACILITY
Document Type and Number:
WIPO Patent Application WO/2019/131946
Kind Code:
A1
Abstract:
The present invention provides a method for recovering gold and a gold recovery facility, which are capable of efficiently recovering gold from a solution that contains a gold cyano complex even in cases where the concentration of the gold cyano complex in the solution is low and even in cases where another metal is dissolved in the solution. A method for recovering gold, which recovers gold from a solution that contains a gold cyano complex with use of a crosslinked resin that contains a vinyl amine unit. A gold recovery facility which is provided with: a container which internally contains a crosslinked resin in a flowable manner, said crosslinked resin containing a vinyl amine unit; and a device which feeds the solution that contains a gold cyano complex to the container.

Inventors:
ANSAI RYUICHI (JP)
OONO FUMI (JP)
SAKUMA SATOSHI (JP)
SATOU FUMIAKI (JP)
ISHII AKIHIRO (JP)
MORI YASUHARU (JP)
Application Number:
JP2018/048325
Publication Date:
July 04, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C22B11/00; B01J20/26; C02F1/28; C22B3/02; C22B3/24; C22B7/00
Foreign References:
JP2017070909A2017-04-13
JP2014176780A2014-09-25
JP2013103161A2013-05-30
JPS5084417A1975-07-08
Other References:
NAKAHIRO, YOSHITAKA: "New Processes for Recovery of Gold", JOURNAL OF THE MINING AND MATERIALS PROCESSING INSTITUTE OF JAPAN, vol. 108, no. 12, 1992, pages 835 - 841
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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