A recovery method of the precious metals using a copper halide content organic solvent system - National University Corporation Tokyo University

Title:

A recovery method of the precious metals using a copper halide content organic solvent system

Document Type and Number:

Japanese Patent JP6196662

Kind Code:

B2

Abstract:

[Problem] To provide a simple, economic, and environment-friendly precious metal recovery method for recovering a precious metal from a used electronic device or the like. [Solution] A precious metal recovery method characterized in including: a step for dissolving a precious metal in a solvent system containing copper halide and an aprotic polar organic solvent; and a step for adding a reduction agent to the solvent system in which the precious metal is dissolved, and causing the precious metal to precipitate.

Inventors:

Yasuya Matsuno
Takai Madoka

Application Number:

JP2015508138A

Publication Date:

September 13, 2017

Filing Date:

February 03, 2014

Export Citation:

Click for automatic bibliography generation Help