Theses and Dissertations

Title: The effect of an active-carbon expanded-bed adsorption filter on water quality in a closed culture system for channel catfish (Ictalurus punctatus, Rafinesque)

Name: Grogan, John Dennis

Degree: MS

Chair: Dr. J.M. Lawrence

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1973

Pages: 83

Keywords: Active-Carbon Expanded-Bed Adsorption Filter,Water Quality,Closed System,Channel Catfish.


The effect of an active-carbon expanded-bed filter on water quality in a closed culture system stocked with channel catfish (Ictalurus punctatus, Rafinesque) was evaluated. Six fiberglass tanks were utilized for the study, three of which were designated controls and three experimental tanks. The three experimental tanks incorporated and active-carbon expanded-bed filters. Tanks were stocked and fed at the same rate. This experiment was performed inside the Auburn University Fisheries Building in one of the wet laboratory facilities. The water quality parameters measured during the experiment were ammonia, nitrite, nitrate, dissolved oxygen, temperature, pH, dissolved carbon, particulate carbon, total carbon, turbidity, and carbon dioxide. An analysis of variance was calculated for daily control and experimental tank mean water quality values. Correlation coefficients were calculated among all parameters in each tank and for mean parameter values for the control and experimental tank series. The statistical analyses indicated no significant improvement in water quality in tanks with active-carbon filters.

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