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Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies

Sedar Dogan, Graham Smith, Chedly Tizaoui Orcid Logo

Euro-Mediterranean Journal for Environmental Integration, Volume: 11, Issue: 5, Start page: 184

Swansea University Authors: Sedar Dogan, Chedly Tizaoui Orcid Logo

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DOI (Published version): 10.1007/s41207-026-01149-1

Abstract

The release of phosphate into water bodies promotes eutrophication and disrupts water treatment processes, highlighting the need for efficient phosphate removal technologies in water systems. This study examines the performance of FerrIX A33E, an iron nanoparticle-impregnated strong-base anion excha...

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Published in: Euro-Mediterranean Journal for Environmental Integration
ISSN: 2365-6433 2365-7448
Published: Springer Nature 2026
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URI: https://cronfa.swan.ac.uk/Record/cronfa71840
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last_indexed 2026-05-15T05:41:46Z
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spelling 2026-05-14T09:25:32.6939111 v2 71840 2026-04-30 Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies cc3c22b9fc0683ffbc89606e04b57772 Sedar Dogan Sedar Dogan true false 4b34a0286d3c0b0b081518fa6987031d 0000-0003-2159-7881 Chedly Tizaoui Chedly Tizaoui true false 2026-04-30 The release of phosphate into water bodies promotes eutrophication and disrupts water treatment processes, highlighting the need for efficient phosphate removal technologies in water systems. This study examines the performance of FerrIX A33E, an iron nanoparticle-impregnated strong-base anion exchange resin, for phosphate removal in water using batch and fixed-bed column ion exchange experiments. The Freundlich equation fitted the isotherm data well (R2>0.999), with the coefficients Kf = 3.621 (mg P)0.7805L0.2195g-1 and 1/n = 0.2195. Batch kinetic data were analysed using first-order reversible, Elovich, and particle diffusion models at varying mixing speeds, with the first-order reversible and Elovich models providing the best description of the experimental results. A dual mechanism for phosphate removal with FerrIX A33E involving ion exchange and sorption/complexation with iron oxides was suggested. To understand the effects of key operational parameters on column breakthrough curves (bed height, inlet concentration, and flowrate), conventional models including Bohart-Adams, Thomas and Clark models in conjunction with newly developed models B-A n order and fractal models were used to describe the experimental data. The B-A n order and fractal models were found most suitable due to the asymmetric nature of the breakthrough curves. The resin was successfully regenerated using 5% sodium chloride solution and repeated ion exchange/regeneration cycles did not significantly affect the average resin capacity. This study provides data useful for process design and demonstrates that nanoparticle iron impregnated ion exchange resin could offer a sustainable method to address the phosphate challenge in the aquatic environment. Journal Article Euro-Mediterranean Journal for Environmental Integration 11 5 184 Springer Nature 2365-6433 2365-7448 Phosphates; Phosphorus; Ion exchange; Freundlich; Fractal model; FerrIX A33E 1 6 2026 2026-06-01 10.1007/s41207-026-01149-1 COLLEGE NANME COLLEGE CODE Swansea University Not Required The authors acknowledge the Materials and Manufacturing Academy (M2A) funding from the European Social Fund via the Welsh Government (c80816), Swansea University, and Tata Steel. 2026-05-14T09:25:32.6939111 2026-04-30T12:27:18.9127881 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Sedar Dogan 1 Graham Smith 2 Chedly Tizaoui 0000-0003-2159-7881 3 71840__36725__62d1ee0c71f6468ea33deb146a270af6.pdf 71840.AAM.pdf 2026-05-14T09:22:07.2684556 Output 1175093 application/pdf Accepted Manuscript true Author accepted manuscript document released under the terms of a Creative Commons CC-BY licence using the Swansea University Research Publications Policy (rights retention). true eng https://creativecommons.org/licenses/by/4.0/
title Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
spellingShingle Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
Sedar Dogan
Chedly Tizaoui
title_short Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
title_full Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
title_fullStr Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
title_full_unstemmed Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
title_sort Enhanced phosphate removal from water using iron-nanoparticle impregnated ion exchange resin (FerrIX A33E): batch and column studies
author_id_str_mv cc3c22b9fc0683ffbc89606e04b57772
4b34a0286d3c0b0b081518fa6987031d
author_id_fullname_str_mv cc3c22b9fc0683ffbc89606e04b57772_***_Sedar Dogan
4b34a0286d3c0b0b081518fa6987031d_***_Chedly Tizaoui
author Sedar Dogan
Chedly Tizaoui
author2 Sedar Dogan
Graham Smith
Chedly Tizaoui
format Journal article
container_title Euro-Mediterranean Journal for Environmental Integration
container_volume 11
container_issue 5
container_start_page 184
publishDate 2026
institution Swansea University
issn 2365-6433
2365-7448
doi_str_mv 10.1007/s41207-026-01149-1
publisher Springer Nature
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
active_str 0
description The release of phosphate into water bodies promotes eutrophication and disrupts water treatment processes, highlighting the need for efficient phosphate removal technologies in water systems. This study examines the performance of FerrIX A33E, an iron nanoparticle-impregnated strong-base anion exchange resin, for phosphate removal in water using batch and fixed-bed column ion exchange experiments. The Freundlich equation fitted the isotherm data well (R2>0.999), with the coefficients Kf = 3.621 (mg P)0.7805L0.2195g-1 and 1/n = 0.2195. Batch kinetic data were analysed using first-order reversible, Elovich, and particle diffusion models at varying mixing speeds, with the first-order reversible and Elovich models providing the best description of the experimental results. A dual mechanism for phosphate removal with FerrIX A33E involving ion exchange and sorption/complexation with iron oxides was suggested. To understand the effects of key operational parameters on column breakthrough curves (bed height, inlet concentration, and flowrate), conventional models including Bohart-Adams, Thomas and Clark models in conjunction with newly developed models B-A n order and fractal models were used to describe the experimental data. The B-A n order and fractal models were found most suitable due to the asymmetric nature of the breakthrough curves. The resin was successfully regenerated using 5% sodium chloride solution and repeated ion exchange/regeneration cycles did not significantly affect the average resin capacity. This study provides data useful for process design and demonstrates that nanoparticle iron impregnated ion exchange resin could offer a sustainable method to address the phosphate challenge in the aquatic environment.
published_date 2026-06-01T17:20:29Z
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