KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Horizontal Flow Zeolite-Filled Reed Bed for Treatment of Artificial Sewage with Intermittent Feeding

수평 흐름 제올라이트 갈대 여과상에 의한 인공하수 처리

  • 서정윤 (창원대학교 환경공학과) ;
  • 최민수 (창원대학교 환경공학과)
  • Published : 2003.12.01
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Abstract

The artificial sewage was treated using a horizontal flow zeolite-filled reed bed. The artificial sewage was fed into the reed bed for 10 minutes every 6 hours at the hydraulic load of 314 L/㎡$.$day. The filtering height of the reed bed was 100 cm and the zeolite mixture was filled in the reed bed. The mixttjre consisted of the same volume of two types of zeolite: 0.5∼l mm and 1∼3 mm in diameter. Annual average removal efficiency was CODcr 95.8%, T-N 56.5％, NH$\_$4/$\^$＋/-N 99.4％ and T-P 61.3%. T-N removal efficiency decreased remarkably from 84 to 32％ with the operating time.

제올라이트로 충진된 수평 흐름 갈대 여과상에 인공하수를 주입하면서 처리효율을 조사하였다. 여과상 표면적 $m^2$당 1일 314 L의 인공하수가 6시간마다 10분 동안 간헐적으로 주입되었다. 각 항목별 연중 평균 처리효율은 CODcr 95.8%, T-N 56.5%, NH$_{4}$$^{＋}$-N 99.4%, T-P 61.3%이었다. NH$_{4}$$^{＋}$-N의 처리효율은 지속적으로 높게 유지되었으나 T-N의 처리효율은 가동 시간이 경과함에 따라 현저하게 감소하였다.

Keywords

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