SILVER RECOVERY METHOD

Title:

SILVER RECOVERY METHOD

Document Type and Number:

Japanese Patent JP2015145529

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a method of recovering silver from zeolite comprising a sulfur component and silver.SOLUTION: This invention provides a method of recovering silver from zeolite comprising a sulfur component and silver, the method comprising: a heat treatment step for heat treatment at a temperature lower than or equal to a heat-resistant temperature of the zeolite; an acid treatment step for mixing zeolite after the heat treatment step with inorganic acid aqueous solution; and a recovery step for obtaining a silver compound from inorganic acid aqueous solution after the acid treatment step.

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Inventors:

TOKUNAGA KEISUKE
HIRANO SHIGERU

Application Number:

JP2014019447A

Publication Date:

August 13, 2015

Filing Date:

February 04, 2014

Export Citation:

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Assignee:

TOSOH CORP

International Classes:

C22B11/00; B09B3/00; C01G5/00; C01G5/02; C22B3/04; C22B3/44; C22B7/00

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