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Recent developments in chemical techniques for foulant removal from NF membranes

Nanofiltration (NF) membranes find extensive use in many fields such as food processing, water treatment, and resource recovery due to their exceptional capacity to selectively separate small solutes and exhibit high permeability to water. Nonetheless, the occurrence of membrane fouling is an unavoi...

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Main Authors:	Samavati, Zahra, Goh, Pei Sean, Ismail, Ahmad Fauzi, Hashim, Norbaya, Kerisnan@Krishnan, Nirmala Devi, Yahaya, Nasehir Khan E. M., Raja Mamat, Raja Baharudin
Format:	Article
Language:	English
Published:	Amirkabir University of Technology - Membrane Processes Research Laboratory 2024
Subjects:	Q Science (General) TP Chemical technology
Online Access:	http://eprints.utm.my/108887/1/ZahraSamavati2024_RecentDevelopmentsinChemicalTechniques.pdf http://eprints.utm.my/108887/ http://dx.doi.org/10.22079/JMSR.2024.2016528.1638
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spelling	my.utm.1088872024-12-11T09:44:04Z http://eprints.utm.my/108887/ Recent developments in chemical techniques for foulant removal from NF membranes Samavati, Zahra Goh, Pei Sean Ismail, Ahmad Fauzi Hashim, Norbaya Kerisnan@Krishnan, Nirmala Devi Yahaya, Nasehir Khan E. M. Raja Mamat, Raja Baharudin Q Science (General) TP Chemical technology Nanofiltration (NF) membranes find extensive use in many fields such as food processing, water treatment, and resource recovery due to their exceptional capacity to selectively separate small solutes and exhibit high permeability to water. Nonetheless, the occurrence of membrane fouling is an unavoidable consequence over extended periods of operation, hence imposing constraints on the widespread use of NF technology at a larger scale. Chemical cleaning is widely acknowledged as the most efficient method for mitigating fouling, subsequently restoring membrane permeability. The repeated use of chemical cleaning methods may induce both reversible and permanent alterations in the chemical and physical characteristics of NF membranes. These changes can lead to membrane degradation and a decline in separation efficiency. Additionally, the NF membrane, characterized by its high selectivity and relatively low degree of crosslinking, exhibits greater sensitivity to chemical cleaning procedures. Despite the extensive work reported for chemical cleaning of NF membrane, a systematic discussion and analyses of these approaches have not been performed. This review offers an overview of NF selectivity and separation fundamentals, exploring various factors affecting fouling in NF membranes. It provides a thorough examination of multiple aspects pertaining to the chemical cleansing of membranes. The examination encompasses the comprehension of the goals that direct this cleaning procedure, the calculated methods utilized, the complex mechanisms in operation, and the methodical processes that are fundamental to the overarching methodology. An in-depth exploration of these facets is intended to yield a nuanced comprehension of membrane chemical cleansing. In addition to the comprehensive discussion on elements that influence the efficacy of chemical cleaning, such as suitable cleaning agents, cleaning duration, concentration of cleaning agents, pressure, pH levels, and cleaning temperature, they were thoroughly investigated. The purpose of this review is to enhance comprehension of the membrane cleaning procedure to optimize the efficiency of membrane separation processes. Amirkabir University of Technology - Membrane Processes Research Laboratory 2024-04 Article PeerReviewed application/pdf en http://eprints.utm.my/108887/1/ZahraSamavati2024_RecentDevelopmentsinChemicalTechniques.pdf Samavati, Zahra and Goh, Pei Sean and Ismail, Ahmad Fauzi and Hashim, Norbaya and Kerisnan@Krishnan, Nirmala Devi and Yahaya, Nasehir Khan E. M. and Raja Mamat, Raja Baharudin (2024) Recent developments in chemical techniques for foulant removal from NF membranes. Journal Of Membrane Science And Research, 10 (2). pp. 1-18. ISSN 2476-5406 http://dx.doi.org/10.22079/JMSR.2024.2016528.1638 DOI:10.22079/JMSR.2024.2016528.1638
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
language	English
topic	Q Science (General) TP Chemical technology
spellingShingle	Q Science (General) TP Chemical technology Samavati, Zahra Goh, Pei Sean Ismail, Ahmad Fauzi Hashim, Norbaya Kerisnan@Krishnan, Nirmala Devi Yahaya, Nasehir Khan E. M. Raja Mamat, Raja Baharudin Recent developments in chemical techniques for foulant removal from NF membranes
description	Nanofiltration (NF) membranes find extensive use in many fields such as food processing, water treatment, and resource recovery due to their exceptional capacity to selectively separate small solutes and exhibit high permeability to water. Nonetheless, the occurrence of membrane fouling is an unavoidable consequence over extended periods of operation, hence imposing constraints on the widespread use of NF technology at a larger scale. Chemical cleaning is widely acknowledged as the most efficient method for mitigating fouling, subsequently restoring membrane permeability. The repeated use of chemical cleaning methods may induce both reversible and permanent alterations in the chemical and physical characteristics of NF membranes. These changes can lead to membrane degradation and a decline in separation efficiency. Additionally, the NF membrane, characterized by its high selectivity and relatively low degree of crosslinking, exhibits greater sensitivity to chemical cleaning procedures. Despite the extensive work reported for chemical cleaning of NF membrane, a systematic discussion and analyses of these approaches have not been performed. This review offers an overview of NF selectivity and separation fundamentals, exploring various factors affecting fouling in NF membranes. It provides a thorough examination of multiple aspects pertaining to the chemical cleansing of membranes. The examination encompasses the comprehension of the goals that direct this cleaning procedure, the calculated methods utilized, the complex mechanisms in operation, and the methodical processes that are fundamental to the overarching methodology. An in-depth exploration of these facets is intended to yield a nuanced comprehension of membrane chemical cleansing. In addition to the comprehensive discussion on elements that influence the efficacy of chemical cleaning, such as suitable cleaning agents, cleaning duration, concentration of cleaning agents, pressure, pH levels, and cleaning temperature, they were thoroughly investigated. The purpose of this review is to enhance comprehension of the membrane cleaning procedure to optimize the efficiency of membrane separation processes.
format	Article
author	Samavati, Zahra Goh, Pei Sean Ismail, Ahmad Fauzi Hashim, Norbaya Kerisnan@Krishnan, Nirmala Devi Yahaya, Nasehir Khan E. M. Raja Mamat, Raja Baharudin
author_facet	Samavati, Zahra Goh, Pei Sean Ismail, Ahmad Fauzi Hashim, Norbaya Kerisnan@Krishnan, Nirmala Devi Yahaya, Nasehir Khan E. M. Raja Mamat, Raja Baharudin
author_sort	Samavati, Zahra
title	Recent developments in chemical techniques for foulant removal from NF membranes
title_short	Recent developments in chemical techniques for foulant removal from NF membranes
title_full	Recent developments in chemical techniques for foulant removal from NF membranes
title_fullStr	Recent developments in chemical techniques for foulant removal from NF membranes
title_full_unstemmed	Recent developments in chemical techniques for foulant removal from NF membranes
title_sort	recent developments in chemical techniques for foulant removal from nf membranes
publisher	Amirkabir University of Technology - Membrane Processes Research Laboratory
publishDate	2024
url	http://eprints.utm.my/108887/1/ZahraSamavati2024_RecentDevelopmentsinChemicalTechniques.pdf http://eprints.utm.my/108887/ http://dx.doi.org/10.22079/JMSR.2024.2016528.1638
_version_	1818834062114029568
score	13.235362

Recent developments in chemical techniques for foulant removal from NF membranes

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