Method for the primary and secondary treatment of wastewater in

Details Method for the primary and secondary treatment of wastewater in Method for the primary and secondary treatment of wastewater in

1974-11-14

1976-01-13

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210151, C02C 104

Patent

active

039322734

ABSTRACT:
A method utilizing a composite apparatus for the treatment of wastewater to remove settleable and floatable solids and to remove and oxidize organic matter including a treatment tank having at least two horizontally adjacent bays, each of the bays having an upper biological treatment zone separated by a horizontally disposed baffle from a lower settling zone. Raw wastewater enters the lower settling zone of one of the bays wherein settleable and floatable solids are removed, and then turns vertically to flow in a reverse direction through the upper biological treatment zone of each bay. From the upper treatment zones the wastewater is directed into and through the lower settling zone of the second bay from which the treated fluid is removed.

REFERENCES:
patent: 1991896 (1935-02-01), Hays
patent: 3466241 (1969-09-01), Simpson
patent: 3703462 (1972-11-01), Smith
patent: 3776841 (1973-12-01), Torpey
patent: 3849304 (1974-11-01), Torpey et al.

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