Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1988-08-05
1989-03-14
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210651, B01D 1300
Patent
active
048122408
ABSTRACT:
Manganese is removed from an aqueous waste stream by adding a water-soluble lignosulfonate salt to the waste stream and passing the lignosulfonate-treated waste stream through an ultrafilter thereby producing a purified effluent stream.
REFERENCES:
patent: 4014787 (1977-03-01), Shorr
patent: 4707273 (1987-11-01), Halterman
Quaker Chemical Corporation
Spear Frank
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