Method for clearing ornamental bodies of water

Details Method for clearing ornamental bodies of water Method for clearing ornamental bodies of water

1998-02-06

1999-10-05

Woo, Jay H.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210734, C02F 154

Patent

active

059618396

ABSTRACT:
A method for clearing water in ornamental lakes, ponds, streams and other bodies of water comprises the steps: identifying the amount of water to be treated; determining the amount of a polyacrylamide flocculant to be applied necessary to obtain a desired clarity; determining flow rate of the water to be circulated; and applying the polyacrylamide flocculant to the water; wherein the polyacrylamide flocculant has a positive charge density in the range from about 40% to 100% and an average molecular weight in the range from about 6,000,000, to 18,000,000.

REFERENCES:
patent: 3637491 (1972-01-01), Hedrick et al.
patent: 3931122 (1976-01-01), Isaoka et al.
patent: 5393436 (1995-02-01), Nagan
patent: 5529700 (1996-06-01), Kierzkowski et al.
patent: 5830388 (1998-11-01), Kigel et al.

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