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A novel in situ membrane cleaning method using periodic electrolysis

Raed Hashaikeh, Boor Singh Lalia, Victor Kochkodan, Nidal Hilal

Journal of Membrane Science, Volume: 471, Pages: 149 - 154

Swansea University Author: Nidal Hilal

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DOI (Published version): 10.1016/j.memsci.2014.08.017

Abstract

Membrane fouling is the major problem during the practical application of membrane separation processes in industry and water treatment. Therefore a search for novel efficient methods of membrane cleaning is currently of crucial importance for membrane-based technologies. The paper describes a new m...

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Published in: Journal of Membrane Science
ISSN: 0376-7388
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa20323
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first_indexed 2015-03-17T03:03:22Z
last_indexed 2021-01-08T03:34:41Z
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spelling 2021-01-07T13:10:54.9511454 v2 20323 2015-03-12 A novel in situ membrane cleaning method using periodic electrolysis 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2015-03-12 FGSEN Membrane fouling is the major problem during the practical application of membrane separation processes in industry and water treatment. Therefore a search for novel efficient methods of membrane cleaning is currently of crucial importance for membrane-based technologies. The paper describes a new method of membrane cleaning, which is based on periodic electrolysis using a novel electrically conductive membrane to remove/prevent membrane fouling. The membrane consists of a thin electrically conductive layer of multi-walled carbon nanotubes (MWCNTs) deposited on the membrane׳s surface. The deposited MWCNTs allow the membrane to function as a cathode in an electrochemical system that includes the electrically conductive membrane, the salt water as an electrolyte and a stainless steel counter anode. The efficiency of the cleaning procedure in the flux recovery has been proved with typical bio- and inorganic membrane foulants such as CaCO3 and yeast suspensions. The cleaning mechanism during the electrolysis process is explained by the evolution of gases forming micro-bubbles at the membrane surface which remove the foulant material out from the membrane. The proposed method enables in situ membrane self-cleaning, thus providing a non-destructive, continuous and renewable approach for the mitigation of the different types of membrane fouling. Journal Article Journal of Membrane Science 471 149 154 0376-7388 1 12 2014 2014-12-01 10.1016/j.memsci.2014.08.017 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2021-01-07T13:10:54.9511454 2015-03-12T10:24:45.7121489 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Raed Hashaikeh 1 Boor Singh Lalia 2 Victor Kochkodan 3 Nidal Hilal 4
title A novel in situ membrane cleaning method using periodic electrolysis
spellingShingle A novel in situ membrane cleaning method using periodic electrolysis
Nidal Hilal
title_short A novel in situ membrane cleaning method using periodic electrolysis
title_full A novel in situ membrane cleaning method using periodic electrolysis
title_fullStr A novel in situ membrane cleaning method using periodic electrolysis
title_full_unstemmed A novel in situ membrane cleaning method using periodic electrolysis
title_sort A novel in situ membrane cleaning method using periodic electrolysis
author_id_str_mv 3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv 3acba771241d878c8e35ff464aec0342_***_Nidal Hilal
author Nidal Hilal
author2 Raed Hashaikeh
Boor Singh Lalia
Victor Kochkodan
Nidal Hilal
format Journal article
container_title Journal of Membrane Science
container_volume 471
container_start_page 149
publishDate 2014
institution Swansea University
issn 0376-7388
doi_str_mv 10.1016/j.memsci.2014.08.017
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 Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
active_str 0
description Membrane fouling is the major problem during the practical application of membrane separation processes in industry and water treatment. Therefore a search for novel efficient methods of membrane cleaning is currently of crucial importance for membrane-based technologies. The paper describes a new method of membrane cleaning, which is based on periodic electrolysis using a novel electrically conductive membrane to remove/prevent membrane fouling. The membrane consists of a thin electrically conductive layer of multi-walled carbon nanotubes (MWCNTs) deposited on the membrane׳s surface. The deposited MWCNTs allow the membrane to function as a cathode in an electrochemical system that includes the electrically conductive membrane, the salt water as an electrolyte and a stainless steel counter anode. The efficiency of the cleaning procedure in the flux recovery has been proved with typical bio- and inorganic membrane foulants such as CaCO3 and yeast suspensions. The cleaning mechanism during the electrolysis process is explained by the evolution of gases forming micro-bubbles at the membrane surface which remove the foulant material out from the membrane. The proposed method enables in situ membrane self-cleaning, thus providing a non-destructive, continuous and renewable approach for the mitigation of the different types of membrane fouling.
published_date 2014-12-01T03:23:58Z
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score 11.013731

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