Oil and water filter and process for dewatering oil sludge

Details Oil and water filter and process for dewatering oil sludge Oil and water filter and process for dewatering oil sludge

1987-01-05

1989-05-30

Cintins, Ivars

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210724, 210726, 210778, B01D 1705

Patent

active

048348899

ABSTRACT:
This disclosure concerns a composition and process for separating solids from an oil and water mixture. The composition comprises lime and calcined perlite of a size distribution such than 0-5% is retained on 30 mesh, 45-65% is retained on 50 mesh, 80-90% is retained on 100 mesh and 90-100% is retained on 200 mesh screens. The process is particularly applicable to separating solids from an oily sludge to produce a recoverable oil product and a non-leaching filter cake which is environmentally acceptable.

REFERENCES:
patent: 2665813 (1954-01-01), Bollaert et al.
patent: 3835021 (1974-09-01), Lorenz et al.

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