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Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation

In this work, the properties of pristine polyvinylidene fluoride (PVDF) hollow fiber membranes were altered by incorporating different types of additives, that is, ethylene glycol (EG) and polyvinylpyrrolidone (PVP) into dope solution. Prior to the separation process, the resulting membranes were fi...

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Main Authors: Mohd. Mokhtar, Nadzirah, Lau, Woei Jye, Ng, Becheer, Ismail, Ahmad Fauzi, Veerasamy, Devaraj
Format: Article
Published: Taylor and Francis Ltd. 2015
Subjects:
Q Science (General)
Online Access:http://eprints.utm.my/id/eprint/55042/
http://dx.doi.org/10.1080/19443994.2014.959063
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spelling my.utm.550422017-08-01T03:58:07Z http://eprints.utm.my/id/eprint/55042/ Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation Mohd. Mokhtar, Nadzirah Lau, Woei Jye Ng, Becheer Ismail, Ahmad Fauzi Veerasamy, Devaraj Q Science (General) In this work, the properties of pristine polyvinylidene fluoride (PVDF) hollow fiber membranes were altered by incorporating different types of additives, that is, ethylene glycol (EG) and polyvinylpyrrolidone (PVP) into dope solution. Prior to the separation process, the resulting membranes were first characterized with respect to structural morphology, hydrophobicity, overall porosity, gas permeability, wetting pressure, mechanical, and thermal stability. It is found that PVP has major impact on the membrane structural properties due to the PVP residue in the membrane matrix. The PVP has transformed the PVDF membrane into hydrophilic ones, while EG did not negatively affect the hydrophobicity of the PVDF membrane. During direct contact membrane distillation process, it is reported that both membranes were able to achieve at least 99% rejection of reactive black 5 when tested under counter-current flow condition. Compared to the PVDF–PVP membrane, the experimental results showed that the PVDF–EG membrane demonstrated greater stabilities of flux and rejection during 5 h study period, mainly due to its greater hydrophobicity and higher wetting pressure which play a role in preventing the liquids from both sides penetrating through membrane pores and further minimizing membrane fouling. Taylor and Francis Ltd. 2015-11-20 Article PeerReviewed Mohd. Mokhtar, Nadzirah and Lau, Woei Jye and Ng, Becheer and Ismail, Ahmad Fauzi and Veerasamy, Devaraj (2015) Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation. Desalination and Water Treatment, 56 (8). pp. 1999-2012. ISSN 1944-3994 http://dx.doi.org/10.1080/19443994.2014.959063 DOI:10.1080/19443994.2014.959063
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/
topic Q Science (General)
spellingShingle Q Science (General)
Mohd. Mokhtar, Nadzirah
Lau, Woei Jye
Ng, Becheer
Ismail, Ahmad Fauzi
Veerasamy, Devaraj
Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
description In this work, the properties of pristine polyvinylidene fluoride (PVDF) hollow fiber membranes were altered by incorporating different types of additives, that is, ethylene glycol (EG) and polyvinylpyrrolidone (PVP) into dope solution. Prior to the separation process, the resulting membranes were first characterized with respect to structural morphology, hydrophobicity, overall porosity, gas permeability, wetting pressure, mechanical, and thermal stability. It is found that PVP has major impact on the membrane structural properties due to the PVP residue in the membrane matrix. The PVP has transformed the PVDF membrane into hydrophilic ones, while EG did not negatively affect the hydrophobicity of the PVDF membrane. During direct contact membrane distillation process, it is reported that both membranes were able to achieve at least 99% rejection of reactive black 5 when tested under counter-current flow condition. Compared to the PVDF–PVP membrane, the experimental results showed that the PVDF–EG membrane demonstrated greater stabilities of flux and rejection during 5 h study period, mainly due to its greater hydrophobicity and higher wetting pressure which play a role in preventing the liquids from both sides penetrating through membrane pores and further minimizing membrane fouling.
format Article
author Mohd. Mokhtar, Nadzirah
Lau, Woei Jye
Ng, Becheer
Ismail, Ahmad Fauzi
Veerasamy, Devaraj
author_facet Mohd. Mokhtar, Nadzirah
Lau, Woei Jye
Ng, Becheer
Ismail, Ahmad Fauzi
Veerasamy, Devaraj
author_sort Mohd. Mokhtar, Nadzirah
title Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
title_short Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
title_full Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
title_fullStr Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
title_full_unstemmed Preparation and characterization of PVDF membranes incorporated with different additives for dyeing solution treatment using membrane distillation
title_sort preparation and characterization of pvdf membranes incorporated with different additives for dyeing solution treatment using membrane distillation
publisher Taylor and Francis Ltd.
publishDate 2015
url http://eprints.utm.my/id/eprint/55042/
http://dx.doi.org/10.1080/19443994.2014.959063
_version_ 1643653676680609792
score 13.211869

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