Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Development of Constructed Wetland using Sand and Oyster shell for Sewage Treatment

모래와 굴패각을 이용한 인공습지 오수처리장치 개발

  • Park, Hyun-Geoun (Department of Environmental Engineering, Jinju National University) ;
  • Lee, Chun-Sik (Department of Environmental Engineering, Jinju National University) ;
  • Lee, Hong-Jae (Water Research Center, Jinju National University) ;
  • Seo, Dong-Cheol (Division of Applied Life Science, Gyeongsang National University) ;
  • Heo, Jong-Soo (Division of Applied Life Science, Gyeongsang National University)
  • 박현건 (진주산업대학교 환경공학과) ;
  • 이춘식 (진주산업대학교 환경공학과) ;
  • 이홍재 (진주산업대학교 수질검사센터) ;
  • 서동철 (경상대학교 응용생명과학부) ;
  • 허종수 (경상대학교 응용생명과학부)
  • Received : 2004.05.25
  • Accepted : 2004.08.09
  • Published : 2004.09.30
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Abstract

To develop sewage treatment apparatus by natural purification method, the sewage treatment plant that consisted of aerobic and anaerobic plot was constructed. And then, the effects of treatment conditions on the removal of pollutants in the relation to sewage loading, sewage injection method and season according to the pebble kind. Removal rate of BOD and COD according to the sewage loading in effluent were over 95 and 77%, respectively. Removal rate of nitrogen in treated water by aerobic plot and effluent using sand were about 22~40 and 49~75%, respectively. Those of effluent using sand 75%+ oyster shell 25% and sand 50%+ oyster shell 50% as filter media in comparison with using sand were about 7~25 and 16~23%, respectively. Removal rate of phosphorus in treated water by aerobic plot and effluent using sand as filter media were about 30~36 and 52~56%, respectively. Those of effluent using sand 75%+ oyster shell 25% and sand 50%+ oyster shell 50% in comparison with using sand as filter media were about 11~40 and 12~45%, respectively. Removal efficiency of BOD and COD according to the intermittent injection method of sewage were slightly decreased, but those of nitrogen and phosphorus were little varied in comparison with continuous injection method. Removal efficiency of BOD and COD in winter in comparison with the others were little varied, but those of nitrogen and phosphorus slightly decreased.

Keywords

References

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