Title:
METHOD FOR MANUFACTURING ENRICHED PLATINUM GROUP ELEMENT
Document Type and Number:
Japanese Patent JP2023066953
Kind Code:
A
Abstract:
To provide a technology that is a technology of recovering a platinum group element from a waste catalyst by direct leaching method, with which an excellent elution rate of the platinum group element can be achieved without depending on an elution operation under a plurality of different conditions.SOLUTION: A method for manufacturing an enriched platinum group element includes: a step 1 of eluting a platinum group element by heating a waste catalyst including the platinum group element in the presence of hydrochloric acid by microwave irradiation; a step 2 of separating and recovering an eluate including the platinum group element; and a step 3 of obtaining a material including an enriched platinum group element from the eluate.SELECTED DRAWING: None
Inventors:
SHAMOTO MASATOSHI
Application Number:
JP2021177842A
Publication Date:
May 16, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
ASAHI PRETEC CORP
International Classes:
C22B11/00; C22B3/10; C22B7/00
Attorney, Agent or Firm:
Junya Tanaka
Kaguya Mizutani
Kyoko Sakoda
Kaguya Mizutani
Kyoko Sakoda