Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process

Membrane separation technology has been identified as a new and clean technology and as an alternative to the conventional separation technology since it can offer some advantages over those separation technologies. Nevertheless, membrane fouling appears to be the major bottleneck of this technol...

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Main Authors:	Abdul Latif Ahmad, Norliza Ibrahim
Format:	Article
Published:	2002
Online Access:	http://journalarticle.ukm.my/1391/ http://journalarticle.ukm.my/1391/

id	ukm-1391
recordtype	eprints
spelling	ukm-13912011-10-11T03:45:20Z http://journalarticle.ukm.my/1391/ Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process Abdul Latif Ahmad, Norliza Ibrahim, Membrane separation technology has been identified as a new and clean technology and as an alternative to the conventional separation technology since it can offer some advantages over those separation technologies. Nevertheless, membrane fouling appears to be the major bottleneck of this technology. Many approaches have been proposed to reduce membrane fouling. The approach considered in this paper is the application of electric pulse to remove deposits from the membrane surface. An experimental test rig is constructed to study the effect of electric pulse on the membrane cleaning effectiveness. The filter cake is collected after every application of each electric pulse to ensure that the deposited materials which has been removed from the membrane surface after each electric pulse will not be redeposited onto the membrane surface. The dead-end ultrafiltration of silica dioxide (Si02) dispersion is conducted with various values of pulse interval, pulse duration and feed concentration. It is found that the application of the electric pulse to reduce membrane fouling and restore high permeation rate is effective in the dead-end filtration process. The application of electric pulses across the membrane gives a higher permeation rate than the conventional ultrafiltration process 2002 Article PeerReviewed Abdul Latif Ahmad, and Norliza Ibrahim, (2002) Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process. Jurnal Kejuruteraan, 14 . http://www.ukm.my/jkukm/index.php/jkukm
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
description	Membrane separation technology has been identified as a new and clean technology and as an alternative to the conventional separation technology since it can offer some advantages over those separation technologies. Nevertheless, membrane fouling appears to be the major bottleneck of this technology. Many approaches have been proposed to reduce membrane fouling. The approach considered in this paper is the application of electric pulse to remove deposits from the membrane surface. An experimental test rig is constructed to study the effect of electric pulse on the membrane cleaning effectiveness. The filter cake is collected after every application of each electric pulse to ensure that the deposited materials which has been removed from the membrane surface after each electric pulse will not be redeposited onto the membrane surface. The dead-end ultrafiltration of silica dioxide (Si02) dispersion is conducted with various values of pulse interval, pulse duration and feed concentration. It is found that the application of the electric pulse to reduce membrane fouling and restore high permeation rate is effective in the dead-end filtration process. The application of electric pulses across the membrane gives a higher permeation rate than the conventional ultrafiltration process
format	Article
author	Abdul Latif Ahmad, Norliza Ibrahim,
spellingShingle	Abdul Latif Ahmad, Norliza Ibrahim, Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
author_facet	Abdul Latif Ahmad, Norliza Ibrahim,
author_sort	Abdul Latif Ahmad,
title	Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
title_short	Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
title_full	Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
title_fullStr	Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
title_full_unstemmed	Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
title_sort	pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process
publishDate	2002
url	http://journalarticle.ukm.my/1391/ http://journalarticle.ukm.my/1391/
first_indexed	2023-09-18T19:33:11Z
last_indexed	2023-09-18T19:33:11Z
_version_	1777405098139320320

Pulsed electrophoretic membrane cleaning for dead-end ultrafiltration process

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