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A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations

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

Journal of Water Process Engineering, Volume: 19, Pages: 220 - 230

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

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DOI (Published version): 10.1016/j.jwpe.2017.08.006

Abstract

A novel hybrid membrane-adsorption process has been developed for the production of clean water supplies. A 0.2 μm ceramic membrane has been functionalised to produce a super-hydrophilic surface on the microfiltration membrane capable of maintaining flux with little or no fouling under normal operat...

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Published in: Journal of Water Process Engineering
ISSN: 2214-7144
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34952
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spelling 2023-02-08T14:09:16.2611562 v2 34952 2017-08-21 A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2017-08-21 CHEG A novel hybrid membrane-adsorption process has been developed for the production of clean water supplies. A 0.2 μm ceramic membrane has been functionalised to produce a super-hydrophilic surface on the microfiltration membrane capable of maintaining flux with little or no fouling under normal operating conditions. The adsorbent used is a supported epoxidised carbon nanotube material capable of removing heavy metals from solution. Both the membrane and the adsorbent can be easily cleaned when necessary using only a solution of readily available vinegar. The intended aim for this new water production system is for the production of clean water in remote locations, in disaster relief zones and for humanitarian purposes. Laboratory studies have shown that the membrane is capable of maintaining flux over a significant period of time and even when tested with an extreme foulant (used motor oil) performed admirably. The rejection properties of the membrane are as expected for small pore microfiltration, i.e. microbial contamination is easily removed. The adsorbent was shown to remove heavy metals (Cd, Hg, Ni, Co and Pb) to a very high degree (>99.3% in all cases) and was easily regenerated to almost complete adsorptive capacity. The hybrid-process was briefly deployed to the Rio Las Vacas (Guatemala) as part of a basic feasibility study and the unit performed as expected. No microbial contamination was detected in the permeate and the flux was maintained consistently at one third of the clean water flux. This demonstrates the system is capable of microbial removal and has good antifouling properties. Journal Article Journal of Water Process Engineering 19 220 230 2214-7144 Wastewater; Filtration; Adsorption; Carbon nanotube; Functionalised membrane 31 10 2017 2017-10-31 10.1016/j.jwpe.2017.08.006 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2023-02-08T14:09:16.2611562 2017-08-21T15:19:47.8690864 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Thomas J. Ainscough 1 Perry Alagappan 2 Darren Oatley-Radcliffe 0000-0003-4116-723X 3 Andrew Barron 0000-0002-2018-8288 4 0034952-22082017085945.pdf ainscough2017(2).pdf 2017-08-22T08:59:45.9170000 Output 1435142 application/pdf Accepted Manuscript true 2018-08-16T00:00:00.0000000 true eng
title A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
spellingShingle A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
Darren Oatley-Radcliffe
Andrew Barron
title_short A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
title_full A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
title_fullStr A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
title_full_unstemmed A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
title_sort A hybrid super hydrophilic ceramic membrane and carbon nanotube adsorption process for clean water production and heavy metal removal and recovery in remote locations
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
Perry Alagappan
Darren Oatley-Radcliffe
Andrew Barron
format Journal article
container_title Journal of Water Process Engineering
container_volume 19
container_start_page 220
publishDate 2017
institution Swansea University
issn 2214-7144
doi_str_mv 10.1016/j.jwpe.2017.08.006
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
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description A novel hybrid membrane-adsorption process has been developed for the production of clean water supplies. A 0.2 μm ceramic membrane has been functionalised to produce a super-hydrophilic surface on the microfiltration membrane capable of maintaining flux with little or no fouling under normal operating conditions. The adsorbent used is a supported epoxidised carbon nanotube material capable of removing heavy metals from solution. Both the membrane and the adsorbent can be easily cleaned when necessary using only a solution of readily available vinegar. The intended aim for this new water production system is for the production of clean water in remote locations, in disaster relief zones and for humanitarian purposes. Laboratory studies have shown that the membrane is capable of maintaining flux over a significant period of time and even when tested with an extreme foulant (used motor oil) performed admirably. The rejection properties of the membrane are as expected for small pore microfiltration, i.e. microbial contamination is easily removed. The adsorbent was shown to remove heavy metals (Cd, Hg, Ni, Co and Pb) to a very high degree (>99.3% in all cases) and was easily regenerated to almost complete adsorptive capacity. The hybrid-process was briefly deployed to the Rio Las Vacas (Guatemala) as part of a basic feasibility study and the unit performed as expected. No microbial contamination was detected in the permeate and the flux was maintained consistently at one third of the clean water flux. This demonstrates the system is capable of microbial removal and has good antifouling properties.
published_date 2017-10-31T03:43:23Z
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