Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1981-08-25
1983-09-20
Castel, Benoit
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
210197, 210202, 210220, C02F 320
Patent
active
044054564
ABSTRACT:
A two stage clarifier apparatus for producing a clarified effluent from mixed liquor in a sewage treatment system wherein mixed liquor is partially clarified in a first quiescent zone in the first stage of the apparatus to produce a partially clarified effluent, the partially clarified effluent is transferred to an aeration zone in the second stage of the apparatus, a portion of the partially clarified effluent is transferred from the aeration zone to a second quiescent zone in the second stage of the apparatus, and fully clarified effluent is withdrawn from the second quiescent zone.
REFERENCES:
patent: 3694353 (1972-09-01), Yang et al.
patent: 3809245 (1974-05-01), Kennedy
patent: 3828933 (1974-08-01), Hampton et al.
patent: 4104167 (1978-08-01), Besik
patent: 4142975 (1979-03-01), Kinzer
Clingman John W.
Kinzer Jay
Castel Benoit
Sanilogical Corporation
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