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Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance

SAFAL MESTRI, Sedar Dogan, Chedly Tizaoui Orcid Logo

Ozone: Science & Engineering, Volume: 45, Issue: 3, Pages: 291 - 304

Swansea University Authors: SAFAL MESTRI, Sedar Dogan, Chedly Tizaoui Orcid Logo

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DOI (Published version): 10.1080/01919512.2022.2114420

Abstract

In this study, the removal of bromate, a regulated ozone by-product, was evaluated using a strong-base anion (SBA) exchange resin in batch and column experiments. The kinetics studies in batch mode showed that film diffusion-controlled bromate exchange in SBA and the isotherm studies showed that the...

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Published in: Ozone: Science & Engineering
ISSN: 0191-9512 1547-6545
Published: Informa UK Limited 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa60883
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spelling v2 60883 2022-08-24 Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance 4755102bc2f989a51e63e4ae2a1b99a5 SAFAL MESTRI SAFAL MESTRI true false cc3c22b9fc0683ffbc89606e04b57772 Sedar Dogan Sedar Dogan true false 4b34a0286d3c0b0b081518fa6987031d 0000-0003-2159-7881 Chedly Tizaoui Chedly Tizaoui true false 2022-08-24 In this study, the removal of bromate, a regulated ozone by-product, was evaluated using a strong-base anion (SBA) exchange resin in batch and column experiments. The kinetics studies in batch mode showed that film diffusion-controlled bromate exchange in SBA and the isotherm studies showed that the Langmuir model fitted the experimental results with a maximum exchange capacity of 296.66 mg BrO3−/g (~1.3 meq/mL resin). In the fixed-bed column studies, breakthrough curves were obtained under different operating conditions to examine the effects of feed flow rate, inlet bromate concentration, and bed height on column performance. A modified n-order Bohart and Adams model (n-BAM-c), which considered the asymmetry of the breakthrough curve and flow channeling, was applied for the first time to describe the experimental data obtained from the column and to predict the breakthrough curves. It was found that n-BAM-c fitted the experimental data well (R2 > 0.99) and the effects of the key operating conditions on the model parameters were determined. Overall, the results show that SBA exchange is suitable for bromate removal from water and n-BAM-c could be a powerful tool for the design and upscaling of bromate ion exchange columns. Journal Article Ozone: Science &amp; Engineering 45 3 291 304 Informa UK Limited 0191-9512 1547-6545 Breakthrough curve; bromate; Fixed bed; Ion exchange; Modified Bohart and Adams model; ozone 4 5 2023 2023-05-04 10.1080/01919512.2022.2114420 http://dx.doi.org/10.1080/01919512.2022.2114420 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2023-07-31T14:28:23.8071609 2022-08-24T10:33:25.3419675 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised SAFAL MESTRI 1 Sedar Dogan 2 Chedly Tizaoui 0000-0003-2159-7881 3 60883__25206__5834e2e5042d4928b6e11178b6f249a3.pdf 60883_VoR.pdf 2022-09-23T15:32:40.5553626 Output 1555413 application/pdf Version of Record true © 2022 The Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
spellingShingle Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
SAFAL MESTRI
Sedar Dogan
Chedly Tizaoui
title_short Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
title_full Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
title_fullStr Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
title_full_unstemmed Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
title_sort Bromate Removal from Water Using Ion Exchange Resin: Batch and Fixed Bed Column Performance
author_id_str_mv 4755102bc2f989a51e63e4ae2a1b99a5
cc3c22b9fc0683ffbc89606e04b57772
4b34a0286d3c0b0b081518fa6987031d
author_id_fullname_str_mv 4755102bc2f989a51e63e4ae2a1b99a5_***_SAFAL MESTRI
cc3c22b9fc0683ffbc89606e04b57772_***_Sedar Dogan
4b34a0286d3c0b0b081518fa6987031d_***_Chedly Tizaoui
author SAFAL MESTRI
Sedar Dogan
Chedly Tizaoui
author2 SAFAL MESTRI
Sedar Dogan
Chedly Tizaoui
format Journal article
container_title Ozone: Science &amp; Engineering
container_volume 45
container_issue 3
container_start_page 291
publishDate 2023
institution Swansea University
issn 0191-9512
1547-6545
doi_str_mv 10.1080/01919512.2022.2114420
publisher Informa UK Limited
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://dx.doi.org/10.1080/01919512.2022.2114420
document_store_str 1
active_str 0
description In this study, the removal of bromate, a regulated ozone by-product, was evaluated using a strong-base anion (SBA) exchange resin in batch and column experiments. The kinetics studies in batch mode showed that film diffusion-controlled bromate exchange in SBA and the isotherm studies showed that the Langmuir model fitted the experimental results with a maximum exchange capacity of 296.66 mg BrO3−/g (~1.3 meq/mL resin). In the fixed-bed column studies, breakthrough curves were obtained under different operating conditions to examine the effects of feed flow rate, inlet bromate concentration, and bed height on column performance. A modified n-order Bohart and Adams model (n-BAM-c), which considered the asymmetry of the breakthrough curve and flow channeling, was applied for the first time to describe the experimental data obtained from the column and to predict the breakthrough curves. It was found that n-BAM-c fitted the experimental data well (R2 > 0.99) and the effects of the key operating conditions on the model parameters were determined. Overall, the results show that SBA exchange is suitable for bromate removal from water and n-BAM-c could be a powerful tool for the design and upscaling of bromate ion exchange columns.
published_date 2023-05-04T14:28:19Z
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