Determination of the removal efficiency of a vortex-type facility as a best management practice using the dynamic event mean concentration: A case study of a bridge in Yong-In city in Korea

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Abstract

Thus far, the removal efficiency of non-pointpollution source removal facilities has been evaluated for individual rainfall events. However, as the removal efficiency for part of a single rainfall event has not been evaluated, adapting the removal facilities for these concentrations is imprecise. Of 18 rainfall events, the removal efficiency of a vortex-type facility as a BMP (Best Management Practice), a non-point-pollution source removal method, was assessed in this study in four assessment techniques and analyzed. In addition, the efficiency was assessed for the concentration using dynamic EMC (Event Mean Concentration). At a higher concentration, the efficiency becomes higher in terms of the TSS, COD, and TP results. In the case of TP, the concentration range of 0~2 mg/L showed the highest efficiency. In the case of Zn, low efficiency was shown in a concentration range of 0.2~0.6 mg/L.

Original languageEnglish
Pages (from-to)937-944
Number of pages8
JournalEnvironmental Earth Sciences
Volume65
Issue number3
DOIs
StatePublished - Feb 2012

Keywords

  • Dynamic EMC
  • Non-point sources
  • Removal efficiency
  • Vortex-type facility

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