Liquid purification or separation – Structural installation – Closed circulating system
Patent
1997-03-03
1998-11-17
Woo, Jay H.
Liquid purification or separation
Structural installation
Closed circulating system
52 66, 160 8406, 210232, 210244, 220730, B01F 304
Patent
active
058371338
ABSTRACT:
Disclosed is the method and apparatus for preventing algae growth in open-topped cooling tower reservoirs and the like which utilizes a porous flexible sheet material placed over the open top of the water reservoir, such sheet material characterized by the fact that it has an effective shade factor to prevent the growth of algae in the reservoir but is porous to allow cooling air--water interaction.
REFERENCES:
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patent: 5025513 (1991-06-01), Weissner
patent: 5259078 (1993-11-01), Crandall
patent: 5348692 (1994-09-01), Bickerstaff
patent: 5451445 (1995-09-01), Wang
patent: 5546615 (1996-08-01), Chamness
Morrison Betsey J.
Woo Jay H.
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