Oxygen Transfer and Hydrodynamics in a Flexible Fibre Biofilm Reactor for Wastewater Treatment

陈育如; 虞启明; 徐红卫; 陈雁

doi:10.1016/S1004-9541(08)60291-8

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Oxygen Transfer and Hydrodynamics in a Flexible Fibre Biofilm Reactor for Wastewater Treatment

Updated：2026-01-06

- Oxygen Transfer and Hydrodynamics in a Flexible Fibre Biofilm Reactor for Wastewater Treatment
- Chinese Journal of Chemical Engineering Vol. 17, Issue 5, Pages: 879-882(2009)
- Affiliations：
  
  1. Jiangsu Engineering and Technology Research Center for Microbiology, College of Life Science, Nanjing Normal University,Nanjing,China,210046
  2. Environmental Engineering, Griffith School of Engineering, Griffith University, Nathan Campus,Queensland,Brisbane,Australia,4111
  3. Institute of Environmental Science, Nanjing Normal University,Nanjing,China,210097
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60291-8
  CLC：
- Published：2009
- Accepted：
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CHEN Yuru, YU Jimmy, XU Hongwei, CHEN Yan. Oxygen Transfer and Hydrodynamics in a Flexible Fibre Biofilm Reactor for Wastewater Treatment[J]. , 2009, 17(5): 879-882.
DOI：

CHEN Yuru, YU Jimmy, XU Hongwei, CHEN Yan. Oxygen Transfer and Hydrodynamics in a Flexible Fibre Biofilm Reactor for Wastewater Treatment[J]. , 2009, 17(5): 879-882. DOI： 10.1016/S1004-9541(08)60291-8.

摘要

Abstract

A flexible fibre biofilm reactor was developed for treatment of organic wastewaters.The hydrodynamic characteristics and mass transfer coefficients of oxygen were studied and compared with those of the conventional activated sludge processes.Tracer experiments were performed to obtain the residence time distributions of the reactors.The results indicated that both reactors could be treated as mixed flow reactors.The effects of flow rates of water and air on the overall mass transfer coefficient of oxygen were investigated

and the correlations between the mass transfer coefficient and the ratio of flow rates were obtained.Compared to the conventional activated sludge reactor

the mass transfer coefficients in the flexible fibre reactor were similar to but slightly lower

and less sensitive to the variation in the ratio of flow rates.It indicated that the fibre packing in the reactor hindered the oxygen transfer to some extent.

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