Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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A CFD-based simulation study of a serpentine flocculation basin for potable water treatment

CFD를 이용한 우류식 응집지 수리해석에 관한 연구

  • 김성수 (한국수자원공사 K-water연구원) ;
  • 최종웅 (한국수자원공사 K-water연구원) ;
  • 박노석 (경상대학교 토목공학과 및 공학연구원) ;
  • 김관엽 (포스코건설)
  • Received : 2013.04.08
  • Accepted : 2014.04.11
  • Published : 2014.04.15
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Abstract

This paper presents a Computational Fluid Dynamics(CFD) based simulation and experimental tracer test of flow pattern and turbulent energy dissipation inside a serpentine flocculation basin with continuous operation. Research focused on the evaluation of a specific flow pattern on the hydraulic behavior on the flocculation basin. From the results of CFD simulation and actual tracer test, both results were in good accordance with each other. Also, each Morill index were calculated as 1.5 from CFD simulation and 1.7 from actual tracer test, respectively. Especially, turbulence energy was dissipated relatively higher in the vicinity of inlet to the flocculation basin than other region. The differences between the CFD simulation and actual tracer test were 1.4 min in $T_{50}$, and 1.3 min in $T_p$, respectively.

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References

  1. K. Samaras, A. Zouboulis, T. Karapantsios, M. Kotsoglou, (2010) "A CFD-Based simulation study of a large scale flocculation tank for potable water treatment" Chemical Engineering Journal, Vol.162 pp.208-216 https://doi.org/10.1016/j.cej.2010.05.032
  2. J. Bratby, (2006) "Coagulation and Flocculation in Water and Wastewater Treatment" IWA Publishing, London.
  3. P.T.L. Koh, J.R.G Andrew, P.H.T. Uhlherr, (1983) "Flocculation in stirred tanks", Chemical Engineering Science, Vol. 39, pp.975-985.
  4. P.T.L. Koh, J.R.G Andrew, P.H.T. Uhlherr, (1987) "Modeling shear-flocculation by population balances" Chemical Engineering Science, Vol. 42, pp.353-362. https://doi.org/10.1016/0009-2509(87)85065-0
  5. A.R. Heath, P.T.L. Koh,(2003) "Combined population balance and CFD Modeling of particle aggregation by polymeric flocculant" in Proceedings of the 3rd International Conference on CFD in the Minerals and Process Industries, CSIRO, Melbourne, Austrailia.
  6. Korea Water and Wastewater Works Association (2010), "Water Supply Infrastructure Standards(in Korean)"
  7. ANSYS (2004) CFX-Solver, Release 10.0: Theory and Modeling, Electronic Manual, SAS IP.
  8. Teefy, S.M., and Singer, P.C. (1990) "Performance and Analysis of Tracer Tests to Determine Compliance of a Disinfection Scheme with the SWTR", Journal of AWWA, Vol.82, No.12, pp.88-98.
  9. ANSYS (2009) CFX-Solver, Release 12.0: Theory and Modeling, UK
  10. Kawamura, S. (2000) Integrated Design of Water Treatment Facilities, 5th ed., John Wiley&Sons, New York
  11. Hudson, H. E. Jr (1981) Water clarification Process, Practical Design, and Evaluation, Van Nostrand Reinhold, New York.
  12. H.O. Park, N.S. Park, M.H. Cha, S.D. Kim, C.H. Won (2010) "Study on Methodology for Reducing Dead Zone Flow within Chlorine Contactor Instlling Porous Baffles", Journal of Korean Society of Water and Wastewater, Vol. 25, No. 5, pp.519-525.