Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Development of Mass Transfer Models for Ammonia Flux Estimation from Sewage Treatment Plants

하수처리장에서의 암모니아 플럭스 산정을 위한 물질전달모형 개발

  • Sa, Jae-Hwan (Research Institute for Environment and Energy, Sejong University) ;
  • Jeon, Eui-Chan (Department of Earth and Environmental Sciences, Sejong University) ;
  • Jeong, Jae-Hak (Department of Earth and Environmental Sciences, Sejong University)
  • 사재환 (세종대학교 환경.에너지연구소) ;
  • 전의찬 (세종대학교 지구환경과학과) ;
  • 정재학 (세종대학교 지구환경과학과)
  • Published : 2006.10.31
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Abstract

Sewage treatment plants located near to large cities emit extremely higher concentration of odorous materials. This study evaluated flux profiles of ammonia emitted from the water surface of sewage treatment plants using a dynamic flux chamber. Also, an ammonia overall mass transfer coefficient and a mass transfer model was developed in order to estimate fluxes of ammonia using environment parameters and the flux from the sewage treatment plants. The developed mass transfer model was evaluated through a fitness analysis. Comparison modeled flux applying empirical overall mass transfer coefficients of ammonia and measured ammonia flux show a high linearity with 0.977. The flux ratio of 1.282 demonstrated highly statistical fitness, also. Modeled flux using the mass transfer model was compared with measured flux. In result, it indicated that empirical overall mass transfer coefficients were similar to measured flux. The mass transfer model using the empirical overall mass transfer coefficient developed in this study was proved to be an easy and effective method to make accurate and precise predictions for ammonia flux discharged from sewage treatment plants.

Keywords

References

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