Title:
NOBLE METAL RECOVERY METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JP2016125109
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for selectively adsorbing and recovering a noble metal from an aqueous solution containing noble metal such as gold, palladium and platinum.SOLUTION: Provided is: a method for recovering a noble metal from a solution containing a noble metal, and in which the method includes continuously passing a solution containing a noble metal through a container tube packed with a recovery agent containing a lignin derivative obtained by subjecting biomass to compression and heat treatment, where the lignin derivative is a solid obtained by filtering what is obtained by subjecting biomass to compression and heat treatment with a subcritical or supercritical water.SELECTED DRAWING: Figure 1
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Inventors:
KUWAHARA TOSHIHISA
Application Number:
JP2015001411A
Publication Date:
July 11, 2016
Filing Date:
January 07, 2015
Export Citation:
Assignee:
SUMITOMO BAKELITE CO
International Classes:
C22B3/24; B01J20/24; B09B3/00; C02F1/28; C02F11/08; C22B11/00