Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration

Abid, Hadeel; Johnson, Daniel; Clifford, Ben; Gethin, David; Bertoncello, Paolo; Hashaikeh, Raed; Hilal, Nidal

doi:10.1016/j.desal.2018.01.019

Journal article 972 views

Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration

Hadeel Abid, Daniel Johnson

, Ben Clifford

, David Gethin

, Paolo Bertoncello

, Raed Hashaikeh, Nidal Hilal

Desalination, Volume: 433, Pages: 10 - 24

Swansea University Authors: Hadeel Abid, Daniel Johnson , Ben Clifford , David Gethin , Paolo Bertoncello , Nidal Hilal

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DOI (Published version): 10.1016/j.desal.2018.01.019

Abstract

Electrically conductive membranes and their application for desalination pre-treatment and water purification have an exceptional performance due to self-cleaning of fouling deposits by the application of external electric fields. However, the effectiveness of existing conductive membranes is hamper...

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Published in:	Desalination
ISSN:	0011-9164
Published:	Elsevier BV 2018
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa53289
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first_indexed	2020-01-20T19:29:43Z
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spelling	2018-01-13T00:00:00.0000000 v2 53289 2018-01-13 Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration bbf0f79fe4a41294829fd7740deb59fc Hadeel Abid Hadeel Abid true false 4bdcc306062428d2715b0dd308cc092f 0000-0001-6921-0389 Daniel Johnson Daniel Johnson true false eaaa538f5503e162cf91e18e06d58843 0000-0002-5111-3799 Ben Clifford Ben Clifford true false 20b93675a5457203ae87ebc32bd6d155 0000-0002-7142-8253 David Gethin David Gethin true false ad352842aa5fe9c1947bd24ff61816c8 0000-0002-6557-7885 Paolo Bertoncello Paolo Bertoncello true false 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2018-01-13 FGSEN Electrically conductive membranes and their application for desalination pre-treatment and water purification have an exceptional performance due to self-cleaning of fouling deposits by the application of external electric fields. However, the effectiveness of existing conductive membranes is hampered by their common applications. The current approach aims to better understand the in situ fouling mitigation and enhanced flux by employing two different electrically conductive coated feed spacer configurations during filtration of humic acid at concentrations of 8, 12, 16 and 20 ppm. Periodic electrolysis was applied for a duration of 2 min with three intervals of 30, 45 and 60 min. A comparison of both the feed spacers was made in terms of the effect of the applied potential and interval time on enhancement of water flux, as well as the required energy consumption at four different concentrations. In terms of enhanced flux and energy consumption, feed spacer A (2 × 2 mm aperture size) revealed better results than feed spacer B (3 × 2 mm), which may be attributed to a greater conductive area. The reported technique shows a major advantage of in situ feed spacer self-cleaning, thus providing a continuous and non-destructive approach for the mitigation of surface fouling. Journal Article Desalination 433 10 24 Elsevier BV 0011-9164 Pre-treatment, NOM, Electrically conductive coated feed spacer, Water treatment 1 5 2018 2018-05-01 10.1016/j.desal.2018.01.019 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2018-01-13T00:00:00.0000000 2018-01-13T00:00:00.0000000 Hadeel Abid 1 Daniel Johnson 0000-0001-6921-0389 2 Ben Clifford 0000-0002-5111-3799 3 David Gethin 0000-0002-7142-8253 4 Paolo Bertoncello 0000-0002-6557-7885 5 Raed Hashaikeh 6 Nidal Hilal 7
title	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
spellingShingle	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration Hadeel Abid Daniel Johnson Ben Clifford David Gethin Paolo Bertoncello Nidal Hilal
title_short	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
title_full	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
title_fullStr	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
title_full_unstemmed	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
title_sort	Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration
author_id_str_mv	bbf0f79fe4a41294829fd7740deb59fc 4bdcc306062428d2715b0dd308cc092f eaaa538f5503e162cf91e18e06d58843 20b93675a5457203ae87ebc32bd6d155 ad352842aa5fe9c1947bd24ff61816c8 3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv	bbf0f79fe4a41294829fd7740deb59fc_*_Hadeel Abid 4bdcc306062428d2715b0dd308cc092f__Daniel Johnson eaaa538f5503e162cf91e18e06d58843__Ben Clifford 20b93675a5457203ae87ebc32bd6d155__David Gethin ad352842aa5fe9c1947bd24ff61816c8__Paolo Bertoncello 3acba771241d878c8e35ff464aec0342_*_Nidal Hilal
author	Hadeel Abid Daniel Johnson Ben Clifford David Gethin Paolo Bertoncello Nidal Hilal
author2	Hadeel Abid Daniel Johnson Ben Clifford David Gethin Paolo Bertoncello Raed Hashaikeh Nidal Hilal
format	Journal article
container_title	Desalination
container_volume	433
container_start_page	10
publishDate	2018
institution	Swansea University
issn	0011-9164
doi_str_mv	10.1016/j.desal.2018.01.019
publisher	Elsevier BV
document_store_str	0
active_str	0
description	Electrically conductive membranes and their application for desalination pre-treatment and water purification have an exceptional performance due to self-cleaning of fouling deposits by the application of external electric fields. However, the effectiveness of existing conductive membranes is hampered by their common applications. The current approach aims to better understand the in situ fouling mitigation and enhanced flux by employing two different electrically conductive coated feed spacer configurations during filtration of humic acid at concentrations of 8, 12, 16 and 20 ppm. Periodic electrolysis was applied for a duration of 2 min with three intervals of 30, 45 and 60 min. A comparison of both the feed spacers was made in terms of the effect of the applied potential and interval time on enhancement of water flux, as well as the required energy consumption at four different concentrations. In terms of enhanced flux and energy consumption, feed spacer A (2 × 2 mm aperture size) revealed better results than feed spacer B (3 × 2 mm), which may be attributed to a greater conductive area. The reported technique shows a major advantage of in situ feed spacer self-cleaning, thus providing a continuous and non-destructive approach for the mitigation of surface fouling.
published_date	2018-05-01T04:06:10Z
_version_	1763753455404449792
score	11.013731

Periodic electrolysis technique for in situ fouling control and removal with low-pressure membrane filtration

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