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An experimental study of electroacoustic crossflow microfiltration

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journal contribution
posted on 2009-09-02, 10:46 authored by Richard J. Wakeman, Steve Tarleton
Results from an experimental study of the effects of the principal process and suspension characteristics on crossflow microfiltration augmented by electrical and ultrasonic force fields are presented. It has been found that both fields, either in isolation or in combination, can reduce membrane fouling: the extent of filtration improvement is affected by field strengths, acoustic frequency, suspension concentration, liquid viscosity, and particle size and surface charge. Synergistic effects were observed when the fields were applied simultaneously. As well as increasing filtrate fluxes, use of either or both force fields allows lower crossflow velocities to be used. This implies that smaller equipment can be used for a given throughput, reduced energy consumption is possible by the recirculation pump, there is a lesser tendency to degrade shear sensitive streams, and heat transfer duties may be reduced for recirculation loop exchangers.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Chemical Engineering

Citation

WAKEMAN, R.J. and TARLETON, E.S., 1991. An experimental study of electroacoustic crossflow microfiltration. Chemical Engineering Research and Design, 69a, pp. 386-397.

Publisher

© Institution of Chemical Engineers

Version

  • AM (Accepted Manuscript)

Publication date

1991

Notes

This article was published in the journal, Chemical Engineering Research and Design [© Institution of Chemical Engineers] and the definitive version is available from: www.icheme.org/archive

ISSN

0263-8762

Language

  • en

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