Filtering aid for the treatment of suspensions, particularly of

Details Filtering aid for the treatment of suspensions, particularly of Filtering aid for the treatment of suspensions, particularly of

1983-12-21

1986-06-17

Hruskoci, Peter

Liquid purification or separation

Processes

Treatment by living organism

210777, 210783, C02F 1112

Patent

active

045955069

ABSTRACT:
A method for the draining of sludges utilizing a filter aid composed of a mixture of porous organic materials capable of absorbing large amounts of liquid to absorb the sludge particles and a ballast liquid containing particles larger than the sludge particles is disclosed. The filtering aid prevents the redissolving of the sludge particles normally observed in chemical flocculation and chemical contamination of the agent.

REFERENCES:
patent: 3200949 (1965-08-01), Aulich et al.
patent: 3325016 (1967-06-01), Zurich
patent: 3428551 (1969-02-01), Dawe
patent: 3771653 (1973-11-01), Harnett
patent: 3791990 (1974-02-01), Fischer
patent: 4062770 (1977-12-01), Kneer
patent: 4161426 (1979-07-01), Kneer
patent: 4249929 (1981-02-01), Kneer

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