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Title:
有価物の回収方法
Document Type and Number:
Japanese Patent JP6835577
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method in which, from a hydrochloric acid acidic solution containing selenium and ruthenium and/or tellurium, selenium and ruthenium and/or tellurium are efficiently separated by precipitation, to recover valuable material.SOLUTION: A method of recovering valuable material includes the steps of: adding water-soluble ketone to a hydrochloric acid acidic solution containing selenium and ruthenium and/or tellurium; stirring it until the hydrochloric acid acidic solution, to which the water-soluble ketone has been added, becomes cloudy; supplying the hydrochloric acid acidic solution being cloudy with reducing sulfur, to precipitate valuable material containing selenium and ruthenium and/or tellurium; and recovering the precipitated valuable material.SELECTED DRAWING: None

Inventors:
Manabe Manabu
Tadashi Noro
Kurai Daisuke
Application Number:
JP2016256677A
Publication Date:
February 24, 2021
Filing Date:
December 28, 2016
Export Citation:
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Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B3/44; C01B19/00; C22B11/00; C22B61/00
Domestic Patent References:
JP2009292660A
JP2001207223A
JP2012224481A
JP2000239753A
JP2001316735A
JP2012126611A
JP5500239A
Foreign References:
US20100329968
US20100329969
US20100326840
Attorney, Agent or Firm:
Axis International Patent Business Corporation