Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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A Study on the Reduction of Total Phosphate of the Concerned Pollution Area in the Main Stream of Mangyeong River

만경강 본류 중 오염우심지역의 TP 저감방안 연구

  • Jounghwa, Choi (Jeollabukdo Institute of Health & Environment Research) ;
  • Jaeog, Kwon (Jeollabukdo Institute of Health & Environment Research) ;
  • Miseon, Lee (Jeollabukdo Institute of Health & Environment Research) ;
  • Wook, Jang (Jeollabukdo Institute of Health & Environment Research) ;
  • Geunhwa, Choi (Jeollabukdo Institute of Health & Environment Research) ;
  • Eunhye, Ko (Jeollabukdo Institute of Health & Environment Research) ;
  • Seohyeon, Sim (Jeollabukdo Institute of Health & Environment Research) ;
  • Changwoo, Cho (Jeollabukdo Institute of Health & Environment Research)
  • 최정화 (전라북도 보건환경연구원) ;
  • 권재옥 (전라북도 보건환경연구원) ;
  • 이미선 (전라북도 보건환경연구원) ;
  • 장욱 (전라북도 보건환경연구원) ;
  • 최근화 (전라북도 보건환경연구원) ;
  • 고은혜 (전라북도 보건환경연구원) ;
  • 심서현 (전라북도 보건환경연구원) ;
  • 조창우 (전라북도 보건환경연구원)
  • Received : 2022.08.11
  • Accepted : 2022.11.15
  • Published : 2022.11.30
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Abstract

This study aimed to investigate the causes of the increasing Total Phosphate(TP) in the mainstream of Mangyeong river over the past 10 years, and suggested a reduction plan of about 3 points. First, the high TP concentration was continuously released in the discharge outlet of the Haepo bridge stormwater pipeline. The average TP concentration was 5.066 mg/L and values as high as 29.470 mg/L were measured. The highest pollution contribution rate to the Mangyeong river was more than 70 %. The cause of the pollution was expected to take place somewhere in Wanju Industrial Complex. Second, the average TP concentration of wastewater-treated effluent in the H factory was 0.405 mg/L. If a TP reduction facility is additionally installed in the H factory, it will help reduce TP uptake by Lake Saemangeum. Third, the TP concentration of untreated non-point source point flowing into the Samrae stream was very high with an average of 2.828 mg/L. Also, the pollution contribution rate of Samraecheon 2 to Mangyeong river was 21.8 % on average and up to 58 %. The pollution contribution rate was also high during the agricultural season and the winter, during which the flow rate is decreased. Investigation of these three points may be continuously needed, and analysis results and policy proposals presented to Jeollabukdo and Wanjugun to manage pollution sources.

Keywords

Acknowledgement

이번 연구는 전라북도 보건환경연구원 수계조사과 2021년 연구사업으로 환경부 국립환경과학원 환경분야 시험검사의 국제적합성 지원사업으로 수행되었습니다.

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