Aeration apparatus for liquid

Details Aeration apparatus for liquid Aeration apparatus for liquid

1991-10-30

1993-08-10

Lithgow, Thomas M.

Gas and liquid contact apparatus

Contact devices

Liquid tank

2102212, 210220, B01F 304

Patent

active

052346323

ABSTRACT:
An apparatus for injecting compressed air into a liquid comprises a tubular basic body such as a pipe that is surrounded by a perforated membrane through which air is distributed into wastewater and is connected to the nipple of a compressed air supply through a hollow and cylindrical member that transfers compressed air to the space between the membrane and the tubular basic body and also has a passageway for wastewater so that wastewater can flow through the tubular basic body, thereby avoiding stagnant areas of untreated wastewater.

REFERENCES:
patent: 3953553 (1976-04-01), Thayer
patent: 4060486 (1977-11-01), Schreiber
patent: 4118447 (1978-10-01), Richter
patent: 4165286 (1979-08-01), Schreiber
patent: 4640803 (1987-02-01), Schmidt-Kufeke
patent: 4818446 (1989-04-01), Schreiber
patent: 4954296 (1990-09-01), Ott
patent: 4960546 (1990-10-01), Tharp
patent: 5013493 (1991-05-01), Tharp
patent: 5059358 (1991-10-01), Tharp

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