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Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer

Thomas J. Ainscough, Darren Oatley-Radcliffe Orcid Logo, Andrew Barron Orcid Logo

Separation and Purification Technology, Volume: 186, Pages: 78 - 89

Swansea University Authors: Darren Oatley-Radcliffe Orcid Logo, Andrew Barron Orcid Logo

Abstract

Casting of a novel polyetherimide-sulfonated poly (ether ether ketone) membrane onto a non-woven support layer to improve mechanical strength and robustness of the resulting membrane is studied. The resultant membrane performance is optimised by considering the phase inversion parameters of polymer...

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Published in: Separation and Purification Technology
ISSN: 13835866
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34016
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spelling 2017-07-31T14:56:04.0102450 v2 34016 2017-05-30 Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2017-05-30 CHEG Casting of a novel polyetherimide-sulfonated poly (ether ether ketone) membrane onto a non-woven support layer to improve mechanical strength and robustness of the resulting membrane is studied. The resultant membrane performance is optimised by considering the phase inversion parameters of polymer concentration, casting thickness, casting speed, evaporation time and coagulation bath temperature. Performance analysis was measured by membrane flux and rejection of PEG 10,000, along with structural characterisation of the membrane by SEM. Polymer concentration and coagulation bath temperature had the greatest influence on the final rejection properties of the membrane; increasing rejection from 0.72 to 0.96 when increasing from 16 wt% to 28 wt% and decreasing rejection from 0.95 to 0.60 when increasing the temperature from 3°C to 50°C respectively. Increasing the polymer concentration had the adverse effect of significantly reducing the permeation rate of the membrane from 50 LMH/bar to 1 LMH/bar when increasing from 16 wt% to 28 wt%. Using defined control of the phase inversion parameters the membrane was changed from an open pore ultrafiltration membrane with a molecular weight cut-off of >10 kDa to a much narrower pore size membrane in the nanofiltration range with a molecular weight cut-off of ∼3000 Da. The fabrication process for the optimised membrane is far more robust than the original process and is suitable for membrane mass production. Journal Article Separation and Purification Technology 186 78 89 13835866 Phase inversion; Polyetherimide; Sulfonated Poly (Ether Ether Ketone); Membrane fabrication; Characterisation 31 12 2017 2017-12-31 10.1016/j.seppur.2017.05.045 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2017-07-31T14:56:04.0102450 2017-05-30T08:12:11.9549749 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Thomas J. Ainscough 1 Darren Oatley-Radcliffe 0000-0003-4116-723X 2 Andrew Barron 0000-0002-2018-8288 3 0034016-30052017081430.pdf ainscough2017.pdf 2017-05-30T08:14:30.0930000 Output 3014232 application/pdf Accepted Manuscript true 2018-05-26T00:00:00.0000000 true eng
title Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
spellingShingle Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
Darren Oatley-Radcliffe
Andrew Barron
title_short Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
title_full Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
title_fullStr Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
title_full_unstemmed Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
title_sort Parametric optimisation for the fabrication of polyetherimide-sPEEK asymmetric membranes on a non-woven support layer
author_id_str_mv 6dfb5ec2932455c778a5aa168c18cffd
92e452f20936d688d36f91c78574241d
author_id_fullname_str_mv 6dfb5ec2932455c778a5aa168c18cffd_***_Darren Oatley-Radcliffe
92e452f20936d688d36f91c78574241d_***_Andrew Barron
author Darren Oatley-Radcliffe
Andrew Barron
author2 Thomas J. Ainscough
Darren Oatley-Radcliffe
Andrew Barron
format Journal article
container_title Separation and Purification Technology
container_volume 186
container_start_page 78
publishDate 2017
institution Swansea University
issn 13835866
doi_str_mv 10.1016/j.seppur.2017.05.045
college_str Faculty of Science and Engineering
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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
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description Casting of a novel polyetherimide-sulfonated poly (ether ether ketone) membrane onto a non-woven support layer to improve mechanical strength and robustness of the resulting membrane is studied. The resultant membrane performance is optimised by considering the phase inversion parameters of polymer concentration, casting thickness, casting speed, evaporation time and coagulation bath temperature. Performance analysis was measured by membrane flux and rejection of PEG 10,000, along with structural characterisation of the membrane by SEM. Polymer concentration and coagulation bath temperature had the greatest influence on the final rejection properties of the membrane; increasing rejection from 0.72 to 0.96 when increasing from 16 wt% to 28 wt% and decreasing rejection from 0.95 to 0.60 when increasing the temperature from 3°C to 50°C respectively. Increasing the polymer concentration had the adverse effect of significantly reducing the permeation rate of the membrane from 50 LMH/bar to 1 LMH/bar when increasing from 16 wt% to 28 wt%. Using defined control of the phase inversion parameters the membrane was changed from an open pore ultrafiltration membrane with a molecular weight cut-off of >10 kDa to a much narrower pore size membrane in the nanofiltration range with a molecular weight cut-off of ∼3000 Da. The fabrication process for the optimised membrane is far more robust than the original process and is suitable for membrane mass production.
published_date 2017-12-31T03:37:53Z
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