Title:
A separation recovery method of an element
Document Type and Number:
Japanese Patent JP5981204
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an element separation and recovery method by which selectivity and recovery efficiency of an element such as valuable metal, can be considerably improved, a substance used for recovery of the element can be reused and a chelating agent is not required to be used even when a metal is separated and recovered as the element.SOLUTION: Zonyl (R) FSA and THF are added into a vessel 1 in which solution 2 containing rare-earth metal RE being a target substance is contained. Successively, pH of the solution 2 is set to be about pH 4 of
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Inventors:
Nori Natsume
Hirokazu Tsuboi
Yoshiro Igarashi
Shotaro Saito
Hirokazu Tsuboi
Yoshiro Igarashi
Shotaro Saito
Application Number:
JP2012093897A
Publication Date:
August 31, 2016
Filing Date:
April 17, 2012
Export Citation:
Assignee:
METAWATER Co., Ltd.
National University Corporation Ibaraki University
National University Corporation Ibaraki University
International Classes:
C22B3/40; B01D21/01; C02F1/54; C02F1/62; C22B3/44; C22B7/00; C22B11/00; C22B34/14; C22B34/32; C22B58/00; C22B59/00
Domestic Patent References:
| JP58034005A |
Other References:
GHIASVAND Ali Reza 他3名,Determination of Silver(I) by Electrothermal-AAS in a Microdroplet Formed from a Homogeneous Liquid-Liquid Extraction System Using Tetraspirocyclohexylcalix[4]pyrroles,ANALYTICAL SCIENCES,日本,2005年 4月10日,Vol.21 No.4,Page.387-390
Attorney, Agent or Firm:
Hiroaki Sakai