Chemical treatment for algae control in open water systems
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United States of America Patent
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Nov 1, 1988
Grant Date -
N/A
app pub date -
Dec 11, 1987
filing date -
Dec 11, 1987
priority date (Note) -
Expired
status (Latency Note)
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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.
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