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Application of computational fluid dynamics (CFD) to ozone contactor optimization

  • J. Li*
  • , J. Zhang
  • , J. Miao
  • , J. Ma
  • , W. Dong
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen
  • Shenzhen Water (Group) Co., LTD.
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Many approaches have been used to model the performance and efficiency of ozone contactors based on some assumptions to characterize the backmixing in fluids. Recently, computational fluid dynamics (CFD) technique has been proposed to simulate and optimize ozone contactors by calculating residence time distribution of fluid. To improve the ozone contactor performance of Bijianshan Water Treatment Plant in Shenzhen in South China, CFD was used for simulation and development of new optimization measures. Results showed that the low depth/length ratio of the contactor chambers in the original design resulted in short circuiting and backmixing, with the T10/HRT being only 0.40. Installation of guide plates substantially reduced short circuiting and backmixing with a much higher T10/HRT (0.66), increased by 73% compared with the original design.

Original languageEnglish
Title of host publication5th Worl Water Congress
Subtitle of host publicationDrinking Water Quality and Treatment
EditorsGary Amy, Ajit Annachhatre, Erik Arvin, Jining Chen, Jaewon Cho
Pages9-16
Number of pages8
Edition4
DOIs
StatePublished - 2006
Externally publishedYes

Publication series

NameWater Science and Technology: Water Supply
Number4
Volume6
ISSN (Print)1606-9749

Keywords

  • CFD
  • Hydraulic efficiency
  • Ozone contactor

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