Waste removal apparatus

Details Waste removal apparatus Waste removal apparatus

1987-09-22

1989-02-21

Fisher, Richard V.

Liquid purification or separation

Structural installation

Closed circulating system

210320, 210199, 210220, 119 3, E04H 316

Patent

active

048062375

ABSTRACT:
Apparatus for use in removing waste from a fish culture system including a tank through which water from the system may be circulated, filters mounted in upright and spaced apart relation across the tank so that the water circulates successively through them, and tubes for injecting air into the water on the upstream side of each filter.

REFERENCES:
patent: 4043299 (1977-08-01), Birkbeck et al.
patent: 4067809 (1987-01-01), Kato
patent: 4093546 (1978-06-01), Taborsky
patent: 4141823 (1979-02-01), Smith et al.
patent: 4687575 (1987-08-01), Grose

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