Title:
RECOVERY OF METAL VALUES FROM AQUEOUS SOLUTIONS AND SLURRIES
Document Type and Number:
WIPO Patent Application WO2001034856
Kind Code:
A8
Abstract:
The invention generally relates to a process for the recovery or removal of metal species from a solution or slurry comprising the steps of: a) contacting the solution or slurry with a polymeric material, selected from the group consisting of a solid superhydrophilic polyurethane polymer containing a chelating and/or solvating agent, a water-insoluble polymeric chelating agent dispersed in a water-insoluble carrier solution, and a water-soluble polymeric chelating or co-ordinating agent to load the polymeric material with metal species wherein said polymeric material; b) separating the loaded polymeric material from the solution or slurry; and c) recovering or removing the metal from the polymeric material. There is also considered a polymeric material for use in the recovery of metal species from a solution or slurry, the polymeric material comprising a solid superhydrophilic polyurethane polymer containing a chelating or co-ordinating agent and/or a solvating agent.
Inventors:
JAY BILL (AU)
Application Number:
PCT/AU2000/001383
Publication Date:
October 18, 2001
Filing Date:
November 09, 2000
Export Citation:
Assignee:
HOLBRAY PTY LTD (AU)
JAY BILL (AU)
JAY BILL (AU)
International Classes:
B01D15/04; C22B3/44; C22B7/00; (IPC1-7): C22B3/44; C22B3/24; C22B3/00; C22B11/00; C22B15/00
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