Method for vacuum aeration of septic tanks to provide low pressu

Details Method for vacuum aeration of septic tanks to provide low pressu Method for vacuum aeration of septic tanks to provide low pressu

1992-12-23

1999-09-14

Wyse, Thomas G.

Liquid purification or separation

Processes

Treatment by living organism

2105322, C02F 1102

Patent

active

059518677

ABSTRACT:
An improved method for aeration of septic tanks and the like by drawing atmospheric air into an expansion chamber and from there into agitated sludge to provide low pressure small microbubbles which have long hold times in the sludge material.

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patent: 3796414 (1974-03-01), Winton
patent: 3810548 (1974-05-01), Blough
patent: 3939073 (1976-02-01), Bats
patent: 4608157 (1986-08-01), Graves
patent: 4686045 (1987-08-01), McKee
patent: 4732682 (1988-03-01), Rymal
patent: 4954295 (1990-09-01), Durda
patent: 5194144 (1993-03-01), Blough

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