Flotation device

Details Flotation device Flotation device

1986-07-03

1988-04-19

Sever, Frank

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

209169, 209170, 2102212, B01D 2101

Patent

active

047387840

ABSTRACT:
A flotation device provided with a raw water tank; a flotation tank thereto the flowing of raw water from said raw water tank is generated by a water level differential; a stirring apparatus for air mixing located at flowing passage of raw water flows from said raw water tank to said flotation tank; a chemicals supply apparatus adding the cationic polymer coagulant at the upper stream side and the anionic polymer coagulant at the lower stream side of said stirring apparatus of said flowing passage; a gas supply apparatus feeding air with lowering the upper stream side of flowing passage at just before upper stream side of said stirring apparatus of said flowing passage.

REFERENCES:
patent: 4198294 (1980-04-01), Deane
patent: 4203837 (1980-05-01), Hoge et al.

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