Apparatus for the purification of effluent

Details Apparatus for the purification of effluent Apparatus for the purification of effluent

1975-09-03

1976-09-07

Hart, Charles N.

Liquid purification or separation

Constituent mixture variation responsive

With membrane

210120, 210151, 210195S, 210220, C02C 108

Patent

active

039792935

ABSTRACT:
An improved process for the purification of effluent is disclosed in which oxygenated effluent is introduced into a treatment zone in which a part of the total amount of biologically activated sludge used in the process is fixed on immersed bacterial beds or discs which are mobile and a further part of said sludge is in suspension in effluent undergoing treatment.

REFERENCES:
patent: 895229 (1908-08-01), Beddoes
patent: 3462360 (1969-08-01), McKinney
patent: 3468795 (1969-09-01), Bye-Jorgensen et al.
patent: 3547811 (1970-12-01), McWhirter
patent: 3557954 (1971-01-01), Welch
patent: 3696929 (1972-10-01), Shah
patent: 3704783 (1972-12-01), Antonie
patent: 3773660 (1973-11-01), Hopwood
patent: 3840216 (1974-10-01), Smith et al.
patent: 3878097 (1975-04-01), Mochizuki et al.

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