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Treatment of Recycling Wastewater of Aquaculture Using DynaSand Filter( I )  

박종호 (충청북도내수면연구소)
김이오 (충청북도내수면연구소)
황규덕 (충청북도내수면연구소)
황금희 (충청북도내수면연구소)
조규석 (충청북도내수면연구소)
김동식 (충청북도내수면연구소)
Publication Information
Journal of Aquaculture / v.15, no.2, 2002 , pp. 87-93 More about this Journal
Abstract
To improve the efficiency of biological filters used for treating recycled wastewater of aquaculture, the conventional and advanced DynaSand Filters were tested. Applying the fluid mechanics and physical chemistry theories to wastewater treatment plant, the advanced filter focuses on detection of wastewater characteristics and automatic operation of DynaSand Filter to improve backwashing, oxygen transport, turbidity removal and continuous head loss. The Filter removes COD, ammonia, and suspended solids (SS), the major pollutants in aquaculture wastewater. The total volume of the DynaSand Filter is 70 L, while the working volume is 35 L per cycle. The removal efficiency of the advanced DynaSand Filter is 71 % for SS (as against 55 % for the conventional filter), 84 % for ammonia, 85 % for T-P, and 88 % for SRP.
Keywords
Aquaculture; Recirculation; DynaSand Filter; SS;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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