Method of preventing contaminant buildup in a reusable solvent

Details Method of preventing contaminant buildup in a reusable solvent Method of preventing contaminant buildup in a reusable solvent

1994-12-14

1996-07-23

Walker, W. L.

Liquid purification or separation

Processes

Separating

210806, 134 13, 134 21, 134 254, 134 40, B01D 3704, B08B 314

Patent

active

055386474

ABSTRACT:
A filtration system removes both particulate and dissolved matter from liquid cleaning solvent. The system is enclosed within a single unit which incorporates both a positive displacement pump and a filter assembly. The filter assembly includes a two stage filter with a hollow, cylindrical, activated carbon core which is connected to the intake side of the pump.

REFERENCES:
patent: 3337055 (1967-08-01), Starnes et al.
patent: 3522814 (1970-08-01), Olson
patent: 3933643 (1976-01-01), Colvin et al.
patent: 4128478 (1978-12-01), Metzger
patent: 4261378 (1981-04-01), Otzen
patent: 4443269 (1984-04-01), Capella et al.
patent: 5106501 (1992-04-01), Yang et al.
patent: 5349974 (1994-09-01), Mansur

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