Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1992-10-13
1993-11-30
Sever, Frank
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
204DIG13, B01D 2100
Patent
active
052662128
ABSTRACT:
A process by which organo phosphonate and cupric ions may be removed from an electroplating bath containing contaminants. Excess acetate salt content causes precipitation of a copper/organo phosphonate (HEDP) precipitate which may be removed leaving the contaminants in solution.
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Enthone-OMI Inc.
Sever Frank
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