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활어수조에서 넙치 사육시 포말분리장치를 이용한 오염물 제거
신정식 ( Jeong Sik Shin ),이창근 ( Chang Kuen Lee ),정호수 ( Ho Su Jeong ),이민수 ( Min Su Lee ),이진경 ( Jin Kyung Lee ),서근학 ( Keun Hack Suh ) 한국수산과학회 2004 한국수산과학회지 Vol.37 No.6
N/A Removal of waste generated by Paralichthys olivaceus in the seawater aquarium using a foam separator was investigated. Protein concentration without a foam separator continuously increased until 3 days after stocking and reached at 25 ㎎/L after 5 days stocking, but protein concentration became lower than the initial protein concentration (2.5 ㎎/L) with a foam separator. The trends of other fish wastes such as ammonia, total suspended solids (TSS) and chemical oxygen demand (COD) were similar to protein. Dissolved oxygen (DO) in the aquarium decreased below 6.0 ㎎/L without a foam separator, but with a foam separator the average DO in the aquarium was 7.3 ㎎/L. Foam separation with the increase of superficial air velocity (SAV) was more effective than that with the fixed SAV. This study showed that wastewater treatment of seawater aquarium using a foam separator is effective method for a fish waste removal and oxygen supply.