Equipment for cleaning waste water

Details Equipment for cleaning waste water Equipment for cleaning waste water

1992-12-03

1996-09-17

Wyse, Thomas S.

Liquid purification or separation

With gas-liquid surface contact means

With separator

210202, 210205, 210220, C02F 308

Patent

active

055565379

ABSTRACT:
A wastewater tank intended for use in a small sewage treatment plant. A spiral pipe is coiled around the exterior casing of the tank and is structurally secured to that casing, so that the pipe imparts structural stiffness to the tank. For example, the casing and pipe may be of a thermoplastic material and are thermoplastically welded together so that the pipe is structurally attached to the casing. Wastewater passes in turn through the multiple treatment spaces in the tank, to undergo pre-sedimentation, flocculation, and clarification.

REFERENCES:
patent: 122346 (1872-01-01), Almy
patent: 3408288 (1968-10-01), Messa
patent: 3481868 (1969-12-01), Gilwood et al.
patent: 3728253 (1973-04-01), Kaufman
patent: 4135946 (1979-01-01), Casey et al.

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