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Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis

Hadeel Subhi Abid, Boor Singh Lalia, Paolo Bertoncello Orcid Logo, Raed Hashaikeh, Ben Clifford Orcid Logo, David Gethin Orcid Logo, Nidal Hilal

Desalination, Volume: 416, Pages: 16 - 23

Swansea University Authors: Paolo Bertoncello Orcid Logo, Ben Clifford Orcid Logo, David Gethin Orcid Logo, Nidal Hilal

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DOI (Published version): 10.1016/j.desal.2017.04.018

Abstract

The use of an electrically conductive membrane has attracted significant interest in water treatment technology due to remarkable performance in fouling mitigation domain. In electrochemical systems, when external potential is applied, water electrolysis occurs and the generated gases efficiently cl...

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Published in: Desalination
ISSN: 0011-9164
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa33009
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spelling 2021-01-07T13:14:56.1750454 v2 33009 2017-04-20 Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis ad352842aa5fe9c1947bd24ff61816c8 0000-0002-6557-7885 Paolo Bertoncello Paolo Bertoncello true false eaaa538f5503e162cf91e18e06d58843 0000-0002-5111-3799 Ben Clifford Ben Clifford true false 20b93675a5457203ae87ebc32bd6d155 0000-0002-7142-8253 David Gethin David Gethin true false 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2017-04-20 CHEG The use of an electrically conductive membrane has attracted significant interest in water treatment technology due to remarkable performance in fouling mitigation domain. In electrochemical systems, when external potential is applied, water electrolysis occurs and the generated gases efficiently clean the membrane surface. However, fabricating and integrating conductive membranes in current water treatment modules is challenging. The present work applies, for the first time, the electrolysis concept at the spacer component of the module rather than the membrane. Two types of materials were tested, a titanium metal spacer and a polymeric spacer. The polymeric spacer was made conductive via coating with a carbon-based ink comprised of graphene nanoplates (GNPs). A membrane system composed of the carbon coated/titanium metal spacer attached to the surface of a polyvinylidene fluoride (PVDF) microfiltration membrane and was assembled to the case of membrane module. The conductive spacers worked as an electrode (cathode) in electrochemical set-up. The membrane system was subjected to fouling and then exposed to periodic electrolysis, wherein in-situ cleaning of membrane surface by hydrogen bubbles generation at the spacer is applied. Journal Article Desalination 416 16 23 0011-9164 Membrane fouling; Conductive spacer; electrolysis; self-cleaning; bubble generation. 15 8 2017 2017-08-15 10.1016/j.desal.2017.04.018 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2021-01-07T13:14:56.1750454 2017-04-20T18:40:43.7551730 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Hadeel Subhi Abid 1 Boor Singh Lalia 2 Paolo Bertoncello 0000-0002-6557-7885 3 Raed Hashaikeh 4 Ben Clifford 0000-0002-5111-3799 5 David Gethin 0000-0002-7142-8253 6 Nidal Hilal 7 33009__5436__e587dbd63a984684a49a950e8a245529.pdf abid2017.pdf 2017-05-08T09:01:57.2230000 Output 1152382 application/pdf Accepted Manuscript true 2018-05-05T00:00:00.0000000 true eng
title Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
spellingShingle Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
Paolo Bertoncello
Ben Clifford
David Gethin
Nidal Hilal
title_short Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
title_full Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
title_fullStr Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
title_full_unstemmed Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
title_sort Electrically conductive spacers for self-cleaning membrane surfaces via periodic electrolysis
author_id_str_mv ad352842aa5fe9c1947bd24ff61816c8
eaaa538f5503e162cf91e18e06d58843
20b93675a5457203ae87ebc32bd6d155
3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv ad352842aa5fe9c1947bd24ff61816c8_***_Paolo Bertoncello
eaaa538f5503e162cf91e18e06d58843_***_Ben Clifford
20b93675a5457203ae87ebc32bd6d155_***_David Gethin
3acba771241d878c8e35ff464aec0342_***_Nidal Hilal
author Paolo Bertoncello
Ben Clifford
David Gethin
Nidal Hilal
author2 Hadeel Subhi Abid
Boor Singh Lalia
Paolo Bertoncello
Raed Hashaikeh
Ben Clifford
David Gethin
Nidal Hilal
format Journal article
container_title Desalination
container_volume 416
container_start_page 16
publishDate 2017
institution Swansea University
issn 0011-9164
doi_str_mv 10.1016/j.desal.2017.04.018
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description The use of an electrically conductive membrane has attracted significant interest in water treatment technology due to remarkable performance in fouling mitigation domain. In electrochemical systems, when external potential is applied, water electrolysis occurs and the generated gases efficiently clean the membrane surface. However, fabricating and integrating conductive membranes in current water treatment modules is challenging. The present work applies, for the first time, the electrolysis concept at the spacer component of the module rather than the membrane. Two types of materials were tested, a titanium metal spacer and a polymeric spacer. The polymeric spacer was made conductive via coating with a carbon-based ink comprised of graphene nanoplates (GNPs). A membrane system composed of the carbon coated/titanium metal spacer attached to the surface of a polyvinylidene fluoride (PVDF) microfiltration membrane and was assembled to the case of membrane module. The conductive spacers worked as an electrode (cathode) in electrochemical set-up. The membrane system was subjected to fouling and then exposed to periodic electrolysis, wherein in-situ cleaning of membrane surface by hydrogen bubbles generation at the spacer is applied.
published_date 2017-08-15T03:40:37Z
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score 11.013731

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