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http://dx.doi.org/10.17663/JWR.2017.19.2.216

Analysis on Nitrogen Faction of Influent Sewage in Domestic STP Based on Long-term Incubation Method  

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. 216-222 More about this Journal
Abstract
Recently, opinions on the need for revision regarding the nitrogen effluent standard of nitrogen from sewage treatment plant(STP) are consistently suggested. However, it is axiomatic that if nitrogen effluent standard is strengthened without a clear basis, it will cause confusion in domestic STP. In this research, nitrogen fraction was analyzed based on a long-term incubation method, according to STP capacity, and the linked treatment of industrial wastewater. As a result, NBDDON, which is difficult to treat in STP, ranged from 1.0 to 1.9 mg/L. larger DON and NBDDON/DON was detected in small STP (under 10,000 m3 /d) as opposed to the large STP. NBDDON/DON in industrial STP was about 0.7 and it was higher than municipal STP. This research result will be used in the important raw data for revision of nitrogen effluent standard of nitrogen from STP.
Keywords
Sewage treatment plant; Sewage; Nitrogen fraction; Dissolved Organic Nitrogen; Long-term incubation;
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Times Cited By KSCI : 2  (Citation Analysis)
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