ABR反应器结构对水力特性的影响

胡细全; 刘大银; 蔡鹤生

Volume 29 Issue 3

May 2004

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HU Xi-quan, LIU Da-yin, CAI He-sheng, 2004. Influence of Structure on Hydrodynamic Characteristics of Anaerobic Baffled Reactor. Earth Science, 29(3): 369-374.

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HU Xi-quan, LIU Da-yin, CAI He-sheng, 2004. Influence of Structure on Hydrodynamic Characteristics of Anaerobic Baffled Reactor. Earth Science, 29(3): 369-374.

HU Xi-quan, LIU Da-yin, CAI He-sheng, 2004. Influence of Structure on Hydrodynamic Characteristics of Anaerobic Baffled Reactor. Earth Science, 29(3): 369-374.

Citation:

HU Xi-quan, LIU Da-yin, CAI He-sheng, 2004. Influence of Structure on Hydrodynamic Characteristics of Anaerobic Baffled Reactor. Earth Science, 29(3): 369-374.

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Influence of Structure on Hydrodynamic Characteristics of Anaerobic Baffled Reactor

1.
School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
2.
Department of Environmental and Chemical Engineering, Huangshi Polytechnic College, Huangshi 435002, China
3.
Department of Environmental Engineering, Wuhan Institute of Chemical Technology, Wuhan 430073, China

Received Date: 2003-09-29
Publish Date: 2004-05-25

Abstract

Abstract

To provide guidance for the structure design of anaerobic baffled reactor (ABR), a study has been carried out on the influence of structure parameters such as the ratio of width of downflow chamber to upflow chamber, the distance of baffle to bottom, and the value of the angle of baffle on the hydrodynamic characteristics of the ABR. Anaerobic baffled (reactor's) typical structure is composed of a series of identical units. The reactor's hydrodynamic characteristics can be deduced from the characteristics of a single ABR unit. This paper presents residence time distribution studies on the influence of structure on a 5.25 L clean ABR unit. The results show that the fraction of dead space is lower compared to other type anaerobic reactors, and the type of flow in the ABR tends towards plug-flow. The data indicate that the optimal value of the ratio of width of downflow chamber to upflow chamber is 1∶3; the distance of baffle to bottom and dead space is in direct proportion to the range of this study (1-5 cm); and the optimal value of the angle of baffle is about 50°.
- anaerobic baffled reactor (ABR),
- structure,
- hydrodynamic chracteristics,
- dead space

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References(33)

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