Waste-water filtration and purification device for fish cultivat

Details Waste-water filtration and purification device for fish cultivat Waste-water filtration and purification device for fish cultivat

1997-11-26

2000-09-26

Simmons, David A.

Liquid purification or separation

Structural installation

Closed circulating system

210205, 210252, 210391, 210396, 119227, A01K 6300, B01D 3346

Patent

active

061238414

ABSTRACT:
A waste-water filtration device for fish cultivation comprises a thin rotatable filter material through which waste water flows from the inside surface to the outside surface, a removing means which comprises a brush on either of the inside or outside surfaces for relatively scraping the inside and outside surfaces of said rotatable filter material, and a drive assembly which comprises a power supply means and a bearing means to drive the rotatable filter material whereby the rotatable filter is cleaned by removing the waste matter which adheres to said filter material.

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