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노남윤 群山大學校 産業大學院 2003 국내석사
This study is designed for treating total nitrogen included in the wastewater of alcohol distillation factory below exhaust permission standard by the way of biological process. This experiment is conducted by indoor continuous reactor and the raw wastewater in this experiment is the alcohol distillation wastewater removed solids by D.A.F through anaerobic digestion process. In the operation of nitrification tank, it is proper that loading rate per volume of ammonia nitrogen is less than 0.45Kg NH_(3)/㎥ and the rate of nitrification is over 95%. It is suitable that loading rate per volume of rear denitrification tank is 1.0 - 1.8Kg Nox/㎥. More than 90% of denitrification is showed and the efficiency is increased drastically since T-N internal recycled. Based on the result, if the facilities such as front denitrification tank, rear denitrification tank etc. is added to the existing biological alcohol wastewater treatment process, the removal of nitrogen in the alcohol distillation wastewater is expected to be more than 95%.