Liquid purification or separation – Processes – Separating
Patent
1991-12-23
1993-05-25
Drodge, Joseph W.
Liquid purification or separation
Processes
Separating
196 145, 208 28, 208 33, 208DIG1, 210141, 210408, 210409, 210418, 210797, B01D 3516
Patent
active
052136965
ABSTRACT:
The present invention is an automatic filter cleaning system which includes a solvent dewaxing filter which removes wax from a wax mix slurry and provides a filtrate. Status control apparatus is connected to the filter for affecting the operational status of the filter. Drain apparatus responsive to a control signal controls draining of the filter. Cleaning apparatus is also connected to the filter. A control network connected to the status apparatus, the draining apparatus and the cleaning apparatus controls those apparatus in a manner so as to allow selective changing of the status of the filter from an operational state to a down state to automatically drain the filter and clean the filter while the filter is in the down state.
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Harrison Charles W.
Lyon Kevin
Martin John D.
Patrone Anthony J.
Drodge Joseph W.
Gillespie Ronald G.
O'Loughlin James J.
Star Enterprise
Texaco Inc.
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