Liquid purification or separation – Processes – Separating
Patent
1988-10-26
1990-05-22
Spear, Frank
Liquid purification or separation
Processes
Separating
134 10, 134 34, 134 37, 210791, 210798, B01D 2324
Patent
active
049275470
ABSTRACT:
The present invention is directed to a method of removing impurities from the effluent of an EDM process wherein the improvement comprises steps of: providing a filter apparatus; providing the effluent from an EDM process to said apparatus; filtering impurities from the effluent thereby forming a filtrate; removing said apparatus from said effluent; and back flushing said apparatus with said filtrate, said back flushing conducted at a pressure greater than atmospheric pressure, thereby removing the impurities from said apparatus.
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Drodge Joseph
Spear Frank
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