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Study of PVDF Tubular Ultrafiltration Membrane for Separating Oil/water Emulsion and Effect of Cleaning Method on Membrane

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  • Huazhang Zhu
  • Yujie Zhu

Abstract

Oil/water emulsion is treated with polyvinylidenefluoride(PVDF) tubular ultrafiltration membrane. The flux of PVDF tubular ultrafiltration membrane is tested by varying the operation pressure(from 0.06Mpa to 0.25Mpa), membrane surface velocity of flow(from 1.47m/s to 3.69m/s) and system running time (from 1h to 20h). The average membrane flux is up to 108.2 L/(m2.h) in proper experiment conditions. Then some cleaning methods are studied and the chemical cleaning has the best effect, the flux restoration rate is more than 92%. Oil concentration in permeate water was less than 10 mg/L. The rejection rate of oil was more than 90%, The cleaning periods were 24h. Using PVDF tubular ultrafiltration membrane to treat oil/water emulsion is a feasible and economical method.

Suggested Citation

  • Huazhang Zhu & Yujie Zhu, 2009. "Study of PVDF Tubular Ultrafiltration Membrane for Separating Oil/water Emulsion and Effect of Cleaning Method on Membrane," Modern Applied Science, Canadian Center of Science and Education, vol. 3(1), pages 144-144, January.
    • Handle: RePEc:ibn:masjnl:v:3:y:2009:i:1:p:144
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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