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J Korean Soc Environ Eng > Volume 37(9); 2015 > Article
J Korean Soc Environ Eng 2015;37(9): 533-541. doi: https://doi.org/10.4491/KSEE.2015.37.9.533
비와호 유역하수도 사례분석을 통한 일본 유역하수도계획의 소개
한미덕, 박배경, 박지형, 김용석, 류덕희
국립환경과학원 물환경연구부
Introduction of the Basin Sewerage Plan in Japan through Case Studies of the Lake Biwa Sewerage System
Mideok Han, Bae Kyung Park, Ji Hyoung Park, Yong Seok Kim, Doug Hee Rhew
National Institute of Environmental Research
Corresponding author  Mideok Han ,Tel: 032-560-7389, Fax: 032-560-7978, Email: hanmd76@hanmail.net
Received: September 3, 2015;  Revised: September 25, 2015;  Accepted: September 28, 2015.  Published online: September 30, 2015.
ABSTRACT
We investigate the Japan’s Master Plan of Comprehensive Sewerage System (JMPS) and Lake Biwa basin sewerage and suggest future development direction of the Watershed Sewerage System Maintenance Plan in Korea enforced on February 2, 2013. The JMPS is designed for compliance with the environmental standard for water quality under the Environmental Policy Act. The effluent standards applied in the master plan of Lake Biwa’s Sewerage Plan for the Lake Biwa is tougher than the national standards. Therefore the Lake Biwa Baisn Sewerage System was the first in Japan to adopt facilities that perform advanced treatment for nitrogen and phosphorus removal. BOD, SS, T-N and T-P concentrations of discharge water of sewage are 0.9, 0.6, 5.5, 0.06 mg/L, respectively. Especially removal efficiency for BOD is 99.5 percent. It is necessary to study the diversification of the evaluation criteria, cost minimization approach, subsidy system improvement, economic concept of discharge load adjustment system and establishment of basin sewerage concept for the development of the basin sewerage plan in Korea.
Key Words: TMDL, Basin Sewerage, Effluent Standards, Lake Biwa, Sewage Treatment Process
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