Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1988-07-13
1989-08-29
Hruskoci, Peter
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210741, 210102, 210106, 210138, 210143, 210340, 210350, 210386, 100 51, 100211, B01D 2902
Patent
active
048614947
ABSTRACT:
A pressurized filter is disclosed of the type including a filter media layer disposed in a filter chamber which is pressurized with a feed layer to cause filtering flow therethrough, and a diaphragm in the chamber operated to dewater the chamber after each cycle of operation, featuring a total volume totalizer measuring the volume of liquid inflow required to operate the diaphragm during each dewatering cycle, the duration of the next filtering cycle adjusted in a direction to increase or decrease the cycle duration so as to increase or decrease the accumulation of filtered solids to achieve on optimal accumulation. A plurality of filter units are stacked and organized into independently operated sets, enabling continuous filter operation by alternate cycling of each set.
REFERENCES:
patent: 222282 (1879-12-01), Kidd
patent: 316925 (1885-04-01), Vogel
patent: 4430231 (1984-02-01), Bratten
patent: 4568460 (1986-02-01), Bratten
patent: 4721040 (1988-01-01), Mau
Benefiel John R.
Hruskoci Peter
Upton Christopher
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