Purification of oils containing solid matters in suspension

Details Purification of oils containing solid matters in suspension Purification of oils containing solid matters in suspension

1987-11-25

1989-08-08

Sever, Frank

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

2105121, B01D 17038

Patent

active

048550442

ABSTRACT:
A process and apparatus for the purification of oils, such as perfluoropolyether oils or silicone oils or oils based on hydrocarbons, polluted by various impurities and in particular by solid matters in suspension, which solid matters can be filtered only with difficulty on conventional filters, comprising a filtration carried out by means of a filter of the tangential-flow type, wherein the pores of the filter element have a diameter below 0.4 micron.

REFERENCES:
patent: 4045341 (1977-08-01), Tsuruta et al.
patent: 4572783 (1986-02-01), Watson

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