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Osmotic's potential: An overview of draw solutes for forward osmosis

Daniel Johnson Orcid Logo, Wafa Ali Suwaileh, Abdul Wahab Mohammed, Nidal Hilal

Desalination, Volume: 434, Pages: 100 - 111

Swansea University Authors: Daniel Johnson Orcid Logo, Nidal Hilal

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DOI (Published version): 10.1016/j.desal.2017.09.017

Abstract

Forward osmosis (FO) is a membrane separation process using a highly concentrated draw solution with high osmotic potential to draw water across a semi-permeable membrane from a feed source. This feed source may be seawater, wastewater or other natural or contaminated water sources. Unlike other mem...

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Published in: Desalination
ISSN: 0011-9164
Published: 2018
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa35617
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first_indexed 2017-09-23T13:05:18Z
last_indexed 2020-06-02T18:49:38Z
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spelling 2020-06-02T15:22:07.0516570 v2 35617 2017-09-23 Osmotic's potential: An overview of draw solutes for forward osmosis 4bdcc306062428d2715b0dd308cc092f 0000-0001-6921-0389 Daniel Johnson Daniel Johnson true false 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2017-09-23 Forward osmosis (FO) is a membrane separation process using a highly concentrated draw solution with high osmotic potential to draw water across a semi-permeable membrane from a feed source. This feed source may be seawater, wastewater or other natural or contaminated water sources. Unlike other membrane driven purification processes, the product is not clean water, but a diluted draw solution. As a result a second step is often needed to produce a pure water product. A major advantage of FO is that the low hydrodynamic pressure involved leads to lowered fouling of membranes and greater flux recovery after cleaning, as well as often providing a low energy process which can recover clean water from difficult or highly fouling sources. Selection of an appropriate and effective draw solution is essential for the practical operation of an FO process. This review will give an overview of the theoretical underpinnings of draw solution performance and a comprehensive summary of the current literature regarding the different types of draw solutions which have been investigated and their respective benefits and detriments. Journal Article Desalination 434 100 111 0011-9164 Forward osmosis, draw solution, membrane separation, desalination, water treatment 1 6 2018 2018-06-01 10.1016/j.desal.2017.09.017 COLLEGE NANME COLLEGE CODE Swansea University 2020-06-02T15:22:07.0516570 2017-09-23T05:37:43.2208627 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Daniel Johnson 0000-0001-6921-0389 1 Wafa Ali Suwaileh 2 Abdul Wahab Mohammed 3 Nidal Hilal 4 0035617-23092017054223.pdf Johnson.pdf 2017-09-23T05:42:23.2770000 Output 1740704 application/pdf Accepted Manuscript true 2018-09-27T00:00:00.0000000 false eng
title Osmotic's potential: An overview of draw solutes for forward osmosis
spellingShingle Osmotic's potential: An overview of draw solutes for forward osmosis
Daniel Johnson
Nidal Hilal
title_short Osmotic's potential: An overview of draw solutes for forward osmosis
title_full Osmotic's potential: An overview of draw solutes for forward osmosis
title_fullStr Osmotic's potential: An overview of draw solutes for forward osmosis
title_full_unstemmed Osmotic's potential: An overview of draw solutes for forward osmosis
title_sort Osmotic's potential: An overview of draw solutes for forward osmosis
author_id_str_mv 4bdcc306062428d2715b0dd308cc092f
3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv 4bdcc306062428d2715b0dd308cc092f_***_Daniel Johnson
3acba771241d878c8e35ff464aec0342_***_Nidal Hilal
author Daniel Johnson
Nidal Hilal
author2 Daniel Johnson
Wafa Ali Suwaileh
Abdul Wahab Mohammed
Nidal Hilal
format Journal article
container_title Desalination
container_volume 434
container_start_page 100
publishDate 2018
institution Swansea University
issn 0011-9164
doi_str_mv 10.1016/j.desal.2017.09.017
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
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description Forward osmosis (FO) is a membrane separation process using a highly concentrated draw solution with high osmotic potential to draw water across a semi-permeable membrane from a feed source. This feed source may be seawater, wastewater or other natural or contaminated water sources. Unlike other membrane driven purification processes, the product is not clean water, but a diluted draw solution. As a result a second step is often needed to produce a pure water product. A major advantage of FO is that the low hydrodynamic pressure involved leads to lowered fouling of membranes and greater flux recovery after cleaning, as well as often providing a low energy process which can recover clean water from difficult or highly fouling sources. Selection of an appropriate and effective draw solution is essential for the practical operation of an FO process. This review will give an overview of the theoretical underpinnings of draw solution performance and a comprehensive summary of the current literature regarding the different types of draw solutions which have been investigated and their respective benefits and detriments.
published_date 2018-06-01T03:44:22Z
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score 11.036706

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