Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1993-09-20
1994-09-13
McCarthy, Neil
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210735, 210736, 210912, 210914, C02F 162
Patent
active
053466276
ABSTRACT:
A method is provided for removing metals from a fluid stream containing these metals. The method involves treating the fluid stream with a water soluble ethylene dichloride ammonia polymer having a molecular weight of from 500 to 100,000 that contains at least 5 mole percent of dithiocarbamate salt groups to form a complex with the metals. Then, the fluid stream is passed through a filtering device to remove the complexes from the fluid stream.
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Choo Pek L.
Collins John H.
Siefert Kristine S.
Sparapany John W.
McCarthy Neil
Nalco Chemical Company
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