Chemical treatment for algae control in open water systems

Details Chemical treatment for algae control in open water systems Chemical treatment for algae control in open water systems

1987-12-11

1988-11-01

Wyse, Tom

Liquid purification or separation

Processes

Chemical treatment

210765, 71 67, C02F 150

Patent

active

047818433

ABSTRACT:
Algae growth in an open water system such as a water cooling tower is controlled by reducing the amount of light available for the algae to photosynthesize. The light available for photosynthesis is reduced by incorporating a dye into the water in the water cooling system. Thus the dye absorbs the light necessary for photosynthesis and in turn prevents algae growth. Preferably fluorescein at a concentration of 0.2 to 800 parts per million is incorporated into the water in the water cooling system. Other dyes can be selected depending on the particular algae.

REFERENCES:
patent: 3928575 (1975-12-01), Moyle et al.
patent: 4242119 (1980-12-01), Berrer et al.
patent: 4500337 (1985-02-01), Young et al.
patent: 4530120 (1985-07-01), Etani
patent: 4552752 (1985-11-01), Amick
patent: 4710220 (1987-12-01), Pischky

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