Destruction of bulking sludge

Details Destruction of bulking sludge Destruction of bulking sludge

1980-06-25

1982-07-27

Hruskoci, Peter A.

Liquid purification or separation

Processes

Treatment by living organism

210625, 210626, 210631, C02F 312

Patent

active

043416322

ABSTRACT:
In an activated sludge process for the biological purification of wastewater wherein undesirable bulking sludge is formed in addition to normal activated sludge, the improvement which comprises mechanically destroying the microorganisms causing the bulking sludge without substantially destroying the microorganisms required for the normal activated sludge.

REFERENCES:
patent: 3673083 (1972-06-01), Sawyer et al.
patent: 3959124 (1976-05-01), Tchobanoglous
patent: 4056465 (1977-11-01), Spector
patent: 4086160 (1978-04-01), Roesler
Rensink, "New Approach to Preventing Bulking Sludge", WPCFJ, Aug. 1974, pp. 1888-1894.

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