Title:
銀、チオ硫酸及び不純物を含む溶液の処理方法、チオ硫酸塩の回収方法及び銀の浸出方法
Document Type and Number:
Japanese Patent JP6444784
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To effectively remove impurities included in a post-treatment liquid using thiosulfuric acid without the decomposition of thiosulfate.SOLUTION: The present invention provides a method to purify thiosulfuric acid complex salt from a solution comprising impurities and comprising ions of nonferrous metal and thiosulfuric acid, the method including the steps of adding sodium salt to the solution, recovering a deposit generated therefrom, and dissolving the recovered deposit in water.SELECTED DRAWING: None
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Inventors:
Katsushi Aoki
Application Number:
JP2015056655A
Publication Date:
December 26, 2018
Filing Date:
March 19, 2015
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C01B17/64; C22B3/44; C22B11/00
Domestic Patent References:
| JP2015232170A | ||||
| JP57177941A | ||||
| JP2001219136A | ||||
| JP60208434A | ||||
| JP56158826A | ||||
| JP51047540A | ||||
| JP48035492B1 |
Foreign References:
| US6602319 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation