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폐쇄순환 양식장에서의 생물여과기 (biofilter) 및 자외선살균기 (ultra-violet disinfector)효과에 대한 연구
강청근 ( Chong Keun Kang ),노기완 ( Ki Woan Ro ),류시영 ( Si Young Rhyu ),조충희 ( Chung Hee Cho ) 한국동물위생학회 1999 한국동물위생학회지 (KOJVS) Vol.22 No.4
The most harmful nitrogenous compounds in fish-breeding place using are ammonia and nitrate. Excessively high total nitrogen concentration is the signal of unbalance for breeding fishes in seawater and may result overfeeding or overstocking without seawater treatment system. The failure of elimination for the organic ingredients or nitrogen compounds can also cause the consequence of inadequate oxygen concentration in seawater, either. The study shows the effect of biofilter and UV disinfector of seawater in the fish-breeding place. In the results, these tools had ammonia, nitrite, nitrate and decreased 71.8%, 27.6% and 1%, respectively, and the total number of microorganisms decreased up to 81.9%.