Method of wastewater treatment

Details Method of wastewater treatment Method of wastewater treatment

1975-05-27

1976-08-24

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 17, C02C 116

Patent

active

039765687

ABSTRACT:
A method of wastewater treatment employing a modified septic tank with a plurality of troughs arranged to be fed in parallel to control the detention time of wastewater passing through the troughs and minimize the addition of gasses to the effluent wastewater, particularly hydrogen sulphide that is evolved in the lower portion of the tank in connection with the digestion of settled organic solids. A biological treatment unit such as those employing rotating contactors can be provided to treat the effluent from the septic tank. The substantial reduction in hydrogen sulphide in the effluent wastewater from the septic tank makes available a maximum amount of surface for the growth and maintenance of organisms oxidizing carbonaceous and/or nitrogenous pollutants on the downstream rotating contactors.

REFERENCES:
patent: 924664 (1909-06-01), Imhoff
patent: 978889 (1910-12-01), Imhoff
patent: 1286017 (1918-11-01), Jones
patent: 1289378 (1918-12-01), Brown
patent: 3335081 (1967-08-01), El-Naggar

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