Liquid purification or separation – Processes – Separating
Patent
1999-03-26
2000-08-29
Popovics, Robert J.
Liquid purification or separation
Processes
Separating
210804, 210805, 21050025, 21032179, 21032189, 210650, B01D 3700, B01D 1702
Patent
active
06110390&
ABSTRACT:
A liquid solid separation apparatus having a porous metal pipe sealed inside a non-porous metal pipe which allows a portion of the liquids, e.g., hydrocarbons and water to pass through the first pipe into the non porous pipe from which they are removed while solids are retained within the porous pipe. In the process there is a system pressure which aids in the filtration and a circulating velocity which removes the detained solids. Preferably a portion of these solids with reduced liquid content are recycled back to the system, mixed with fresh feed. By recycling a porion of the recovered solid concentrate the velocity of the flow in the system kept constant and the system itself is stabilized.
REFERENCES:
patent: 4865742 (1989-09-01), Falletti
patent: 4888114 (1989-12-01), Gaddis et al.
Grover Separations brochure "Proven Technology for the Most Challenging Separations" copyright 1996 Grover Chemical Company.
Potter J. Leon
Roberts, Jr. Ross D.
Environmental Safeguards, Inc.
Johnson Kenneth H.
Popovics Robert J.
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