Method and apparatus for aquaculture and for water treatment rel

Details Method and apparatus for aquaculture and for water treatment rel Method and apparatus for aquaculture and for water treatment rel

1996-12-27

2000-09-12

Drodge, Joseph W.

Liquid purification or separation

With gas-liquid surface contact means

With separator

119260, 119261, 210169, 210188, 210218, 210220, C02F 302, A01K 6304

Patent

active

061173134

ABSTRACT:
An improved aquaculture system is provided which, in various embodiments, utilizes a single integrated unit to perform the biologic filtering, aeration and degassing functions; has a fish tank with an integrated multiphase drain for removal of fecal solids and uneaten feed with minimum water loss, for removing most of the water from the tank to be processed and returned to the tank and for segregating and for then selectively removing moribund and dead fish from the tank, preventing their cannibalization by other fish in the tank; and a single integrated unit for performing degassing, aeration, gas concentration and reaction/separation functions. An improved biologic filter is also discussed.

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Summerfelt, Steven T., "Engineering Design of Modular and Scalable Recirculating Systems Containing Circular Tanks, Microscreen Filters, Fluidized-Sand Biofilters, Cascade Aerators, and Low-Head or U-Tube Oxygenators," Conference Proceedings, Jul. 19, 1996, pp. 217-244.
Grace, Gary R. and Raul H. Piedrahita, "Carbon Dioxide Control," AquaGen Engineers, Feb. 9, 1996, pp. 1-25.
Ebeling, J.M., T.M. Losordo, and D.P. DeLong, "Engineering Design and Performance of a Model Aquaculture Recirculating System (MARS) for Secondary School Aquaculture Education Programs," pp. 211-220, undated.
Rosenthal, Harald and Edward A. Black, "Recirculation Systems in Aquaculture," Proceedings of an Aquaclutural Engineering Conference, Jun. 21-23, 1993, pp. 284-294.

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