Modular aerator and separator assembly for sewage treatment faci

Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment

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Details

210220, 210521, 210525, B01D 4300, C02C 112

Patent

active

039752763

ABSTRACT:
An efficient, modular, drop-in type aeration and separation assembly for use in relatively small sewage treatment facilities is disclosed which includes perforated aeration conduits or diffusers situated adjacent the sewage inlets of the apparatus for inducing an upwardly directed hydraulic suction or "pumping action" which serves to increase the turbulence and aeration of sludge and other solids entering and collected within the unit. The assembly preferably includes a multi-tube particulate removal unit which effectively removes entrained solids from sewage passing upwardly therethrough, in conjunction with an inverted V-shaped grease collector positioned below the multi-tube separator which also serves as an air diffuser to facilitate selective air cleaning of the latter. Air conduit means are provided for the selective delivery of compressed air beneath the grease collector for even diffusion thereof, and the conduit means also permits suction removal of grease or the like trapped within the collector so that the assembly can be easily cleaned without the necessity of shutting down the overall treatment facility for extended periods.

REFERENCES:
patent: 2458163 (1949-01-01), Hays
patent: 2616848 (1952-11-01), Griffith
patent: 2980934 (1961-04-01), Steindorf
patent: 3482694 (1969-12-01), Rice et al.
patent: 3491892 (1970-01-01), McCann
patent: 3640387 (1972-02-01), Conley et al.
patent: 3796321 (1974-03-01), Kosonen
patent: 3819054 (1974-06-01), Long et al.
patent: 3828933 (1974-08-01), Hampton et al.

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