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http://dx.doi.org/10.17663/JWR.2017.19.2.211

The Investigation and Improvement plan of Contracting-out municipal wastewater treatment plant system in Korea  

Im, Jiyeol (Department of Civil Engineering, Seoul National University of Science and Technology)
Gil, Kyungik (Department of Civil Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Wetlands Research / v.19, no.2, 2017 , pp. 211-215 More about this Journal
Abstract
The market of the municipal wasetewater treatment plant (MWTP) operation is expanding across the world including Korea. The contracting-out system was introduced for the effective operation of MWTPs. However, an improvement of the contracting-out system of MWTP has been continuously required. This research investigated current operational status of MWTPs in Korea, to suggest the improvement of the cost effective MWTP operation to promote the contracting-out system of MWTP operation. Results showed that lower operational costs of MWTP were lower in larger MWTPs than in smaller MWTPs. Overall, MWTPs operated by a public enterprise showed lower operational costs than those operated by government agencies and private enterprises. Among the MWTPs similar in their treatment capacity, treatment process and operation period, MWTPs operated by private enterprises showed the lowest operational cost. According to the survey, managers and operators of MWTPs emphasized the importance of improvement on the methods of selecting operating agencies and estimating operationing costs. The results of this study should be useful as important supporting data to promote the contracting-out system for the MWTP operation.
Keywords
Municipal wastewater treatment plant; Operational cost; Contracting-out; Contract; Privated enterprise;
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