Method of and apparatus for continuous flow flocculation and cla

Details Method of and apparatus for continuous flow flocculation and cla Method of and apparatus for continuous flow flocculation and cla

1977-06-29

1982-01-05

Castel, Benoit

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210738, 210197, C02F 152

Patent

active

043092918

ABSTRACT:
A method of and apparatus for continuously removing dispersed particles which can be flocculated from a liquid containing said particles, such as wastewaters, wherein flocculation of said particles is caused to take place in a turbulent pipe flow by the injection and rapid mixing of a coagulant and/or coagulant aid in said turbulent pipe flow which simultaneously flocculates said particles and transports the mixture of flocculated particles and liquid into a settling tank for clarification. A controlled quantity of dispersed floc from said settling tank is continuously recirculated into said pipe flow at a station where mixing of the coagulant and/or coagulant aid is achieved, so as to reduce the length of said pipe to a desired size and the flow rate of said injected coagulant and/or coagulant aid.

REFERENCES:
patent: 1956420 (1934-04-01), Gleason et al.
patent: 2190596 (1940-02-01), Dorr
patent: 2355564 (1944-08-01), Sebald
patent: 3666663 (1972-05-01), Walker

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