Production and characterization of piezo-electric membranes

H. G. L. Coster; T. Darestani Farahani; T. C. Chilcott

doi:10.1016/j.desal.2011.04.071

Production and characterization of piezo-electric membranes

H. G. L. Coster, T. Darestani Farahani, T. C. Chilcott

Western Sydney University

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

Abstract

It is shown that it is possible to impart piezo-electric properties to polyvinylidene fluoride (PVDF) membranes. This was achieved by "poling" the membranes in an intense electric field. Out of the plane surface displacements were produced when AC signals were applied to the membrane. Flux and separation performance measurements performed in a cross flow membrane module demonstrated that piezoelectric induced vibrations out of the plane of the membrane (i.e. in the direction of the flux) increased the flux by an order of magnitude and delayed membrane fouling. The relative antifouling effect of piezoelectric induced vibration was enhanced with increasing cross flow velocity.

Original language	English
Pages (from-to)	52-57
Number of pages	6
Journal	Desalination
Volume	283
DOIs	https://doi.org/10.1016/j.desal.2011.04.071
Publication status	Published - 2011

Keywords

fouling
membranes (biology)
piezoelectricity
vibration

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10.1016/j.desal.2011.04.071

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abstract = "It is shown that it is possible to impart piezo-electric properties to polyvinylidene fluoride (PVDF) membranes. This was achieved by {"}poling{"} the membranes in an intense electric field. Out of the plane surface displacements were produced when AC signals were applied to the membrane. Flux and separation performance measurements performed in a cross flow membrane module demonstrated that piezoelectric induced vibrations out of the plane of the membrane (i.e. in the direction of the flux) increased the flux by an order of magnitude and delayed membrane fouling. The relative antifouling effect of piezoelectric induced vibration was enhanced with increasing cross flow velocity.",

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author = "Coster, {H. G. L.} and Farahani, {T. Darestani} and Chilcott, {T. C.}",

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T1 - Production and characterization of piezo-electric membranes

AU - Coster, H. G. L.

AU - Farahani, T. Darestani

AU - Chilcott, T. C.

PY - 2011

Y1 - 2011

N2 - It is shown that it is possible to impart piezo-electric properties to polyvinylidene fluoride (PVDF) membranes. This was achieved by "poling" the membranes in an intense electric field. Out of the plane surface displacements were produced when AC signals were applied to the membrane. Flux and separation performance measurements performed in a cross flow membrane module demonstrated that piezoelectric induced vibrations out of the plane of the membrane (i.e. in the direction of the flux) increased the flux by an order of magnitude and delayed membrane fouling. The relative antifouling effect of piezoelectric induced vibration was enhanced with increasing cross flow velocity.

AB - It is shown that it is possible to impart piezo-electric properties to polyvinylidene fluoride (PVDF) membranes. This was achieved by "poling" the membranes in an intense electric field. Out of the plane surface displacements were produced when AC signals were applied to the membrane. Flux and separation performance measurements performed in a cross flow membrane module demonstrated that piezoelectric induced vibrations out of the plane of the membrane (i.e. in the direction of the flux) increased the flux by an order of magnitude and delayed membrane fouling. The relative antifouling effect of piezoelectric induced vibration was enhanced with increasing cross flow velocity.

KW - fouling

KW - membranes (biology)

KW - piezoelectricity

KW - vibration

UR - http://handle.westernsydney.edu.au:8081/1959.7/uws:50333

U2 - 10.1016/j.desal.2011.04.071

DO - 10.1016/j.desal.2011.04.071

M3 - Article

SN - 0011-9164

VL - 283

SP - 52

EP - 57

JO - Desalination

JF - Desalination

ER -

Production and characterization of piezo-electric membranes

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