Method of sewage treatment

Details Method of sewage treatment Method of sewage treatment

1989-03-20

1990-07-31

Hruskoci, Peter

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210804, C02F 136

Patent

active

049448862

ABSTRACT:
A method of sewage treatment is disclosed which consists of the following described steps: Firstly, directing the sewage to be treated into a holding tank; secondly, subjecting the sewage in the holding tank to ultrasonic vibrations in a range between 15 and 150 kilohertz for a period in excess of 12 seconds thereby achieving cavitation of the sewage; thirdly, draining the liquids from the sewage; and fourthly, removing the sewage residue remaining after drainage of liquids.

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patent: 3537655 (1970-11-01), Gustafson
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patent: 4211744 (1980-07-01), Boucher
patent: 4308229 (1981-12-01), Voit
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patent: 4358204 (1982-11-01), Ellner
patent: 4462909 (1984-07-01), Kennel
patent: 4483695 (1984-11-01), Covey, Jr.
patent: 4517159 (1985-05-01), Karlson
patent: 4596658 (1986-06-01), Mandt

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