Liquid purification or separation – Processes – Separating
Patent
1990-04-19
1992-11-03
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210797, 134 2212, B01D 2962
Patent
active
051604426
ABSTRACT:
Method and apparatus are provided for treating and removing particulate matter from fluid circulatable into, through and out of an industrial operation, and for cleaning a disposable cartridge filter used therein. In treatment of fluid, the fluid is circulated in a flow path and is introduced into a filter vessel having a disposable cartridge filter. The fluid flows through the cartridge filter at a rate of flow insufficient to produce a buildup of a substantially non-porous solids filter cake around the exterior of the cartridge filter. The clean fluid is circulated to the industrial operation. The cleaning method and apparatus includes a storage vessel in selective fluid communication with the interior of the first vessel such that clean fluid may be flowed from the storage vessel into the interior of the cartridge filter then through and thereafter exterior of the cartridge filter to effectively remove the particulate matter deposited on or around the exterior of the cartridge filter.
REFERENCES:
patent: 2848112 (1958-08-01), Hass
patent: 2862622 (1958-12-01), Kircher et al.
patent: 4528103 (1985-07-01), Spilkin et al.
patent: 4552669 (1985-11-01), Sekellick
patent: 4592847 (1986-06-01), Schumacher
Asher Thomas L.
Hampton John R.
Dawson Robert A.
Filtration Technology Corporation
Millard Wanda L.
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