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Patent Searching and Data


Title:
METHOD FOR RECOVERING GOLD ADSORBED ON ACTIVATED CARBON AND GOLD MANUFACTURING PROCESS USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/129017
Kind Code:
A1
Abstract:
The purpose of the present invention is to recover, at a low cost and efficiently, gold adsorbed on activated carbon. A gold recovery method which includes a step of subjecting gold adsorbed on activated carbon to elution to obtain a concentrated acidic gold solution, wherein the elution is conducted using an eluent prepared by adding a thiosulfuric acid salt to an aqueous acid solution.

Inventors:
HATANO KAZUHIRO (JP)
KATSUKAWA KOJI (JP)
ONO EIKI (JP)
SANO MASAKI (JP)
Application Number:
PCT/JP2013/052101
Publication Date:
September 06, 2013
Filing Date:
January 30, 2013
Export Citation:
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Assignee:
JX NIPPON MINING & METALS CORP (JP)
International Classes:
C22B11/00; B01J20/20; B01J20/34; C22B3/24
Foreign References:
JP2010270368A2010-12-02
JP2008106347A2008-05-08
JPH03177521A1991-08-01
JPH01156432A1989-06-20
JPH09316561A1997-12-09
JP2001316735A2001-11-16
JP2006512484A2006-04-13
Other References:
SEISHI TAKAGI: "Ion Reaction", vol. II, NANKODO CO., LTD, article "Qualitative Analytical Chemistry"
See also references of EP 2821513A4
Attorney, Agent or Firm:
AXIS Patent International (JP)
Axis international patent business corporation (JP)
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Claims: