Liquid purification or separation – Processes – Chemical treatment
Patent
1992-01-21
1992-08-11
Wyse, Thomas
Liquid purification or separation
Processes
Chemical treatment
210904, C02F 158
Patent
active
051376423
ABSTRACT:
A process is provided for detoxifying an aqueous solution containing weak acid-dissociable cyanide metal complexes. The process comprises incorporating hydrogen peroxide and at least 1 mole of citric acid per mole of complexed metal ion and maintaining the pH of the solution between 8 and 12.
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Castrantas Harry M.
Fagan Michael R.
Andersen R. L.
Baker P. C.
Elden R. E.
FMC Corporation
Wyse Thomas
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