Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1994-04-21
1997-04-22
Cintins, Ivars
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210669, 210688, 210693, 210776, 210805, 210806, C02F 900
Patent
active
056226276
ABSTRACT:
A system for removing free-oils, particulate matter and dissolved heavy metals from an aqueous surfactant solution employed in the degreasing and cleaning of parts in a parts washer. The system includes a primary filter assembly containing an oil absorbent, a particulate matter filter and a filter element having metal particles bound together in a porous metal sponge-like structure. The system can also include a secondary filter assembly capable of removing residual free, dissolved and emulsified oils, particulate matter and dissolved heavy metals from the filtrate produced by passage of the contaminated aqueous surfactant solution through the primary filter assembly.
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Fanning Chris E.
Garrett Gary C.
Advanced Waste Reduction, Inc.
Cintins Ivars
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