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1. (WO2017018364) METHOD FOR RECOVERING RHENIUM, METHOD FOR SELECTIVELY RECOVERING RHENIUM FROM SOLUTION INCLUDING RHENIUM AND OTHER METALS, AND METHOD FOR INCREASING CONTENT RATIO OF RHENIUM IN SOLUTION INCLUDING RHENIUM AND OTHER METALS

Pub. No.:    WO/2017/018364    International Application No.:    PCT/JP2016/071647
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Sat Jul 23 01:59:59 CEST 2016
IPC: C22B 61/00
C22B 3/44
Applicants: KANAGAWA UNIVERSITY
学校法人神奈川大学
ASAKA RIKEN CO., LTD.
株式会社アサカ理研
Inventors: HORI Hisao
堀 久男
Title: METHOD FOR RECOVERING RHENIUM, METHOD FOR SELECTIVELY RECOVERING RHENIUM FROM SOLUTION INCLUDING RHENIUM AND OTHER METALS, AND METHOD FOR INCREASING CONTENT RATIO OF RHENIUM IN SOLUTION INCLUDING RHENIUM AND OTHER METALS
Abstract:
[Problem] To provide a method allowing for the separation of rhenium from a solution including rhenium by a simple procedure and in a shorter amount of time, and to provide a method for selectively recovering rhenium from a solution including rhenium and other metals. [Solution] A method for recovering rhenium, said method characterized by including: an addition step for adding an electron donating agent, which is an aliphatic secondary alcohol or an aliphatic secondary thioalcohol, and a ketone compound to a solution including perrhenate ions; an ultraviolet irradiation step for precipitating a reductant of the perrhenate ions included in the solution by irradiating the solution, which has undergone the addition step, with ultraviolet rays; and a fractionation step for fractionating, from the solution, the reductant of the perrhenate ions obtained by precipitation at the ultraviolet irradiation step.