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Disinfection Efficiency of the Waste Stabilization Ponds Coupled with Aquatic Plant Ponds

  • 저자

    李來範

  • 학위수여기관

    한서대학교

  • 학위구분

    국내석사

  • 학과

    環境工學科

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    v, 61 p.

  • 키워드

    산화지 조류제거용 살균;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T8952981&outLink=K  

  • 초록

    In this paper, changes of the coliform bacteria were investigated when aquatic plant pond was used for separating algal particles from waste stabilization ponds(WSPs). Three different types of integrated natural systems were operated. It was found that there were no significant interferences for the disinfection efficiency of two integrated systems (WSPs coupled with water hyacinth ponds) used for treating domestic sewage and upgrading the secondary effluent as well. However, when constructed wetlands (CWs) was combined with the shallow algal ponds and used for the secondary effluent, it seriously interfered with the disinfection efficiency due to the regrowth and/or after-growth of the coliform bacteria readily metabolizing the leached amino acids and sugars from plants. In order to find out the primary disinfection parameters, Several sets of the batch tests were run. It was found that sunlight is the most predominant factor for the coliform decay. During the night, algal toxicity partly supports the decay but during the day, deteriorates it by attenuating the sunlight. The pH in the range of 4 to 10 did not affect the decay in the dark


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