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Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions

Darren Oatley-Radcliffe Orcid Logo, Steffan R. Williams, Thomas J. Ainscough, Christopher Lee, Daniel Johnson Orcid Logo, Paul Williams Orcid Logo

Separation and Purification Technology, Volume: 149, Pages: 339 - 348

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

DOI (Published version): 10.1016/j.seppur.2015.05.041

Abstract

In this study a series of different molecular weight PEG solutions have been characterised for particle sizeand the results have been used, in conjunction with several other techniques, to determine the pore sizeof the Nadir UH004 membrane. The resulting information, in conjunction with experimental...

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Published in: Separation and Purification Technology
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa22140
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spelling 2017-10-05T13:18:27.9744612 v2 22140 2015-06-22 Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 4bdcc306062428d2715b0dd308cc092f 0000-0001-6921-0389 Daniel Johnson Daniel Johnson true false 3ed8f1e5d997e0fcb256fb6501605cec 0000-0003-0511-4659 Paul Williams Paul Williams true false 2015-06-22 CHEG In this study a series of different molecular weight PEG solutions have been characterised for particle sizeand the results have been used, in conjunction with several other techniques, to determine the pore sizeof the Nadir UH004 membrane. The resulting information, in conjunction with experimentally determinedrejection profiles for the PEG solutions, has then been used to back calculate the hindrance factorsfor nanofiltration rejection theory. These experimentally derived values obtained for the hindrance factorswere found to be in close agreement with the widely accepted theoretical predictions derived fromhydrodynamic theory for micro and ultrafiltration. To our knowledge, this is the first experimental validationof these hindrance factors for nanofiltration and suggests that the correlations found throughoutthe literature are accurate enough for the calculation of hindrance factors describing the hydrodynamicdrag forces experienced by a solute inside a nanopore. Journal Article Separation and Purification Technology 149 339 348 27 7 2015 2015-07-27 10.1016/j.seppur.2015.05.041 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2017-10-05T13:18:27.9744612 2015-06-22T11:42:36.9763845 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Darren Oatley-Radcliffe 0000-0003-4116-723X 1 Steffan R. Williams 2 Thomas J. Ainscough 3 Christopher Lee 4 Daniel Johnson 0000-0001-6921-0389 5 Paul Williams 0000-0003-0511-4659 6 0022140-11022016130644.pdf OatleyRadcliffeExperimentaldeterminationofthehydrodynamicforces2015Postprint.pdf 2016-02-11T13:06:44.3300000 Output 1345915 application/pdf Accepted Manuscript true 2016-05-29T00:00:00.0000000 true
title Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
spellingShingle Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
Darren Oatley-Radcliffe
Daniel Johnson
Paul Williams
title_short Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
title_full Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
title_fullStr Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
title_full_unstemmed Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
title_sort Experimental determination of the hydrodynamic forces within nanofiltration membranes and evaluation of the current theoretical descriptions
author_id_str_mv 6dfb5ec2932455c778a5aa168c18cffd
4bdcc306062428d2715b0dd308cc092f
3ed8f1e5d997e0fcb256fb6501605cec
author_id_fullname_str_mv 6dfb5ec2932455c778a5aa168c18cffd_***_Darren Oatley-Radcliffe
4bdcc306062428d2715b0dd308cc092f_***_Daniel Johnson
3ed8f1e5d997e0fcb256fb6501605cec_***_Paul Williams
author Darren Oatley-Radcliffe
Daniel Johnson
Paul Williams
author2 Darren Oatley-Radcliffe
Steffan R. Williams
Thomas J. Ainscough
Christopher Lee
Daniel Johnson
Paul Williams
format Journal article
container_title Separation and Purification Technology
container_volume 149
container_start_page 339
publishDate 2015
institution Swansea University
doi_str_mv 10.1016/j.seppur.2015.05.041
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 1
active_str 0
description In this study a series of different molecular weight PEG solutions have been characterised for particle sizeand the results have been used, in conjunction with several other techniques, to determine the pore sizeof the Nadir UH004 membrane. The resulting information, in conjunction with experimentally determinedrejection profiles for the PEG solutions, has then been used to back calculate the hindrance factorsfor nanofiltration rejection theory. These experimentally derived values obtained for the hindrance factorswere found to be in close agreement with the widely accepted theoretical predictions derived fromhydrodynamic theory for micro and ultrafiltration. To our knowledge, this is the first experimental validationof these hindrance factors for nanofiltration and suggests that the correlations found throughoutthe literature are accurate enough for the calculation of hindrance factors describing the hydrodynamicdrag forces experienced by a solute inside a nanopore.
published_date 2015-07-27T03:26:20Z
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score 11.016235

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