B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/77 (2006.01) B01D 53/52 (2006.01)
Patent
CA 2207898
A process for the removal of oxalate ion or control of the concentration thereof in aqueous solutions containing polyvalent metal chelates of organic acids is described, the process being characterized by precipitation of alkali metal oxalate.
Cette invention concerne un procédé visant à extraire des ions oxalate ou à moduler leur concentration dans des solutions aqueuses contenant des chélates de métal polyvalent d'acides organiques. Ce procédé se caractérise par la précipitation d'oxalate de métal alcalin.
Allen M. C.
Bedell S. A.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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