파일롯 규모의 비접촉식 자외선 광반응조를 이용한 살균

Abstract

ABSTRACT

Disinfection by Pilot Scale Non-contact Type UV Photoreactor

Kim, Kyung Myun Advisor : Prof. Kim, Sung Hong, Ph.D Department of Civil Engineering Graduate School of Chosun University

In the field of water supply and wastewater treatment plant, disinfection of miciroorganisms using UV right is widely used. In spite of the high germicidal effect and relatively clean by-product, UV disinfection has fundamental defeat which is fouling at the interface of water and lamp sleeve. Non-contact type of UV disinfection system was developed in this study and the performance evaluation of the system was carried out by using a pilot-scale photoreactor. E-coli. removal rate was evaludted as a disinfection index. For the disinfection of water supply, synthetic source water containing 3×103 to 3×104 colony/mL was completely inactivated at the dosage of 1 lamp with 10 second of contact time. Secondary effluent of wastewater treatment plant was also treated by the non-contact type UV photoreactor. The removal rate of E-coli. were ranged 60 - 100% at the UV dosage of 10 - 100mJ/L.