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The Analysis of Characteristic of Efficiency in the Diffusion Pollution Improvement Facilities with Vortex Type according to Detention Time

  • Crisisonomy
  • Abbr : KRCEM
  • 2013, 9(3), pp.127-136
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general

이호선 1 Choi Gye Woon 2 김남규 2

1국토해양부 스마트 워터 그리드 연구단
2인천대학교

Accredited

ABSTRACT

The removal efficiency of nonpoint source pollution, according to the accumulated runoff depth by law, has not been accurately projected. This research measured removal efficiency of SS(Suspended Solid), depending on the detention time. Also, removal efficiency of SS , depending on the variation of accumulated loads was measured. The 1/4 scale model was used to measure changes to the efficiency of diffusion pollution improvement facilities with vortex type. The results showed that when hydraulic detention time was 45 seconds, it was the most efficient for SS removal. Once the quantity ratio of accumulated loads exceeds 845~1,125 g/㎥, the SS removal efficiency decreases rapidly.

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