Liquid purification or separation – Processes – Including geographic feature
Patent
1995-03-07
1996-03-26
Wyse, Thomas
Liquid purification or separation
Processes
Including geographic feature
210764, 210808, C02F 100
Patent
active
055018009
ABSTRACT:
The treatment of water to remove gas vacuolate cyanobacteria is effected by subjecting the water to a predetermined pressure by being pumped down a centrally located pipe in a bore-hole, which is steel lined. This causes the gas vesicles in the cyanobacteria to collapse. The treated water is then stored in a settling tank where the cyanobacteria sink to the bottom and can be removed along with any other sediment in the water. The method can be applied to decrease the amount of cyanobacteria with gas vesicles in a lake or other water impoundment. (FIG. 1 )
REFERENCES:
patent: 4526692 (1985-07-01), Yohe et al.
patent: 4582610 (1986-04-01), Baker
patent: 4683063 (1987-07-01), Rice
patent: 4696802 (1987-09-01), Bedell
patent: 4744908 (1988-05-01), Peterscheck et al.
patent: 5389257 (1995-02-01), Todd et al.
Clarke Keith B.
Walsby Anthony E.
Stanger Leo
Wyse Thomas
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