Title:
METHOD OF SEPARATING METAL
Document Type and Number:
Japanese Patent JP2007302938
Kind Code:
A
Abstract:
To provide a method of separating metal from solution of metal containing a trivalent phosphorus compound.
In the method for removing metal components from the solution of metal containing a trivalent phosphorus compound and one or more elements among ruthenium, rhodium, palladium, iridium and platinum, the solution is brought into contact with a polyamine-type chelate resin. It is preferable that the trivalent compound is a phosphorus compound containing phosphorus-oxygen bonds. Further, it is preferable to adjust the pH of the solution of metal to 5 to 10 before the solution of metal is circulated through the polyamine-type chelate resin.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
IZAWA YUSUKE
UTSUNOMIYA MASARU
TAKAHASHI KAZUNARI
UTSUNOMIYA MASARU
TAKAHASHI KAZUNARI
Application Number:
JP2006132034A
Publication Date:
November 22, 2007
Filing Date:
May 10, 2006
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
C22B11/00; B01J31/40; B01J38/00; B01J45/00; C02F1/42; C22B3/42; C07B61/00; C07C67/333; C07C69/16
Attorney, Agent or Firm:
Hasegawa Soji
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