Title:
金属含有酸性水溶液の処理方法
Document Type and Number:
Japanese Patent JP6400047
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method of treating a metal-containing acidic aqueous solution enabling a predetermined noble metal to be precipitated and effectively recovered from metal-containing acidic aqueous solution containing palladium and one or more kind of selenium, tellurium, ruthenium, rhodium and platinum.SOLUTION: The method of treating metal-containing acidic aqueous solution is provided in which a temperature of acidic aqueous solution of a chloride bath containing palladium and one or more kind of selenium, tellurium, ruthenium, rhodium and platinum is adjusted to 60°C or more and sulfur dioxide is sprayed to the temperature-adjusted acidic aqueous solution to cause palladium concentration in the acidic aqueous solution to be 100 mg/L or less, then sulfurous acid or sulfite salt is added to the acidic aqueous to generate a precipitate containing palladium.SELECTED DRAWING: Figure 1
Inventors:
Manabe Manabu
Application Number:
JP2016112157A
Publication Date:
October 03, 2018
Filing Date:
June 03, 2016
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B11/00; C02F1/70; C22B3/44; C22B7/00
Domestic Patent References:
| JP2001316735A | ||||
| JP2097626A | ||||
| JP2004143527A | ||||
| JP2012126611A | ||||
| JP58084934A | ||||
| JP57092147A | ||||
| JP2003268457A |
Foreign References:
| US4615731 | ||||
| US20050255017 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation