Method for controlling zebra mussels in power and water plants

Details Method for controlling zebra mussels in power and water plants Method for controlling zebra mussels in power and water plants

1993-03-25

1994-03-15

McCarthy, Neil M.

Liquid purification or separation

Processes

Separating

210170, 210175, 210696, 210747, 210764, 405127, 422 6, 422 38, 1372361, 137334, C02F 102

Patent

active

052943518

ABSTRACT:
A method and apparatus for controlling zebra mussels in the inlet cell of a utility power plant by isolating a batch of water in the cell from the water supply of a lake or river and the equipment plant by shutting an inlet gate and shutting outlet valves from said cell. The batch of isolated water is thereafter heated to a lethal temperature which is maintained for a sufficient period of time to ensure 100 percent mortality to the zebra mussels within the cell. The water may be maintained in a static condition and heated by a heat exchanger disposed within the cell. Alternatively the water may be fed to a heat exchanger, heated outside the cell, and returned to the cell. The water is heated to a range of approximately 95.degree. F. to 100.degree. F. and held at the heated temperature within the cell for approximately 30 minutes.

REFERENCES:
patent: 5062967 (1991-11-01), Muia et al.
patent: 5128050 (1992-07-01), Gill
patent: 5148777 (1992-09-01), Brockhurst

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