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Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation

Darren Oatley-Radcliffe Orcid Logo, Steffan Williams, Chris Lee, Paul Williams Orcid Logo

Journal of Membrane and Separation Technology, Volume: 4, Issue: 4, Start page: 149

Swansea University Authors: Darren Oatley-Radcliffe Orcid Logo, Paul Williams Orcid Logo

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Abstract

The aim of this work was to investigate the effects of mass transfer in three commercially available frontal nanofiltration systems (Amicon, Sterlitech and Membranology) using the rejection of uncharged poly ethylene glycol (molecular weight 3400) at different pressures and stirrer speeds using a 40...

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Published in: Journal of Membrane and Separation Technology
ISSN: 1929-6037
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa28881
first_indexed 2016-06-14T18:25:12Z
last_indexed 2018-02-09T05:13:27Z
id cronfa28881
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spelling 2017-07-03T14:49:04.7504258 v2 28881 2016-06-14 Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 3ed8f1e5d997e0fcb256fb6501605cec 0000-0003-0511-4659 Paul Williams Paul Williams true false 2016-06-14 EAAS The aim of this work was to investigate the effects of mass transfer in three commercially available frontal nanofiltration systems (Amicon, Sterlitech and Membranology) using the rejection of uncharged poly ethylene glycol (molecular weight 3400) at different pressures and stirrer speeds using a 4000 MWCO membrane. The real rejection was calculated from the observed rejection using the infinite rejection method and a comparison was made between experimentally obtained mass transfer coefficients and those obtained from commonly used ultrafiltration theory. A new mass transfer correlation was proposed that is more appropriate to account for the increased mass transfer effects observed with the larger pressures of nanofiltration. This new correlation is defined as NSh = φ(NRe)n (NSc)0.33 [1+[JV/ωr]X] is only a minor modification to existing theory and has an accuracy suitable for engineering design purposes. Journal Article Journal of Membrane and Separation Technology 4 4 149 1929-6037 Mass transfer, Concentration polarisation, Equipment characterisation, Frontal filtration, Nanofiltration 31 12 2015 2015-12-31 This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License(http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction inany medium, provided the work is properly cited. COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2017-07-03T14:49:04.7504258 2016-06-14T18:11:33.6340834 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Darren Oatley-Radcliffe 0000-0003-4116-723X 1 Steffan Williams 2 Chris Lee 3 Paul Williams 0000-0003-0511-4659 4
title Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
spellingShingle Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
Darren Oatley-Radcliffe
Paul Williams
title_short Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
title_full Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
title_fullStr Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
title_full_unstemmed Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
title_sort Characterisation of Mass Transfer in Frontal Nanofiltration Equipment and Development of a Simple Correlation
author_id_str_mv 6dfb5ec2932455c778a5aa168c18cffd
3ed8f1e5d997e0fcb256fb6501605cec
author_id_fullname_str_mv 6dfb5ec2932455c778a5aa168c18cffd_***_Darren Oatley-Radcliffe
3ed8f1e5d997e0fcb256fb6501605cec_***_Paul Williams
author Darren Oatley-Radcliffe
Paul Williams
author2 Darren Oatley-Radcliffe
Steffan Williams
Chris Lee
Paul Williams
format Journal article
container_title Journal of Membrane and Separation Technology
container_volume 4
container_issue 4
container_start_page 149
publishDate 2015
institution Swansea University
issn 1929-6037
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 0
active_str 0
description The aim of this work was to investigate the effects of mass transfer in three commercially available frontal nanofiltration systems (Amicon, Sterlitech and Membranology) using the rejection of uncharged poly ethylene glycol (molecular weight 3400) at different pressures and stirrer speeds using a 4000 MWCO membrane. The real rejection was calculated from the observed rejection using the infinite rejection method and a comparison was made between experimentally obtained mass transfer coefficients and those obtained from commonly used ultrafiltration theory. A new mass transfer correlation was proposed that is more appropriate to account for the increased mass transfer effects observed with the larger pressures of nanofiltration. This new correlation is defined as NSh = φ(NRe)n (NSc)0.33 [1+[JV/ωr]X] is only a minor modification to existing theory and has an accuracy suitable for engineering design purposes.
published_date 2015-12-31T18:57:41Z
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score 11.04748

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