Air lift pump for membrane separation unit

Details Air lift pump for membrane separation unit Air lift pump for membrane separation unit

1998-01-20

1999-11-09

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210747, B01D 6102

Patent

active

059807512

ABSTRACT:
A semi-permeable membrane based purification system expresses permeate through a membrane, and uses an air lift pump to raise the permeate. In particularly preferred embodiments, a plurality of membranes are positioned at least several hundred feet below the surface of the each, and are used to desalinate salty or brackish water. Ozone may be used to further purify the water and help maintain the integrity of the membranes.

REFERENCES:
patent: 4040486 (1977-08-01), Kirkland
patent: 4085971 (1978-04-01), Jacoby
patent: 4125463 (1978-11-01), Chenoweth
patent: 4135364 (1979-01-01), Busick
patent: 4160622 (1979-07-01), Colburn
patent: 4366063 (1982-12-01), O'Connor
patent: 4606867 (1986-08-01), Eguchi
patent: 4759849 (1988-07-01), Baumann
patent: 4880057 (1989-11-01), Derowitsch
patent: 4917832 (1990-04-01), Marcum
patent: 5190648 (1993-03-01), Ramsauer

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