Staff View: Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]

Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]

This study explores the efficacy of a spent iron-based (Fe.S) catalyst for the photo-assisted electrochemical for removal of Methylene Blue (MB) dye. The catalyst performance was assessed under various operational parameters, including catalyst loading, initial solution pH, current density, and init...

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Main Authors:	Azizan, Nurul Athikah, Nasuha, Norhaslinda, Imam Maarof, Hawaiah, Wan Ismail, Wan Izhan Nawawi, Sufian, Suriati, Ahmad Shakri, Nurul Izzah, Zahar, Nadiatul Nabilah
Format:	Article
Language:	English
Published:	Penerbit UiTM (UiTM Press) 2025
Subjects:	Electrochemical analysis
Online Access:	https://ir.uitm.edu.my/id/eprint/111164/1/111164.pdf https://ir.uitm.edu.my/id/eprint/111164/
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id	my.uitm.ir.111164
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spelling	my.uitm.ir.1111642025-03-05T23:56:36Z https://ir.uitm.edu.my/id/eprint/111164/ Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.] srj Azizan, Nurul Athikah Nasuha, Norhaslinda Imam Maarof, Hawaiah Wan Ismail, Wan Izhan Nawawi Sufian, Suriati Ahmad Shakri, Nurul Izzah Zahar, Nadiatul Nabilah Electrochemical analysis This study explores the efficacy of a spent iron-based (Fe.S) catalyst for the photo-assisted electrochemical for removal of Methylene Blue (MB) dye. The catalyst performance was assessed under various operational parameters, including catalyst loading, initial solution pH, current density, and initial dye concentration. The commercial iron oxide (Fe3O4) performance was benchmarked against spent iron-based catalyst under similar operational conditions. The results revealed that the best catalyst dosage was found at 0.02 g and 0.06 g for Fe.S and Fe3O4, respectively. Interestingly, the Fe.S achieved complete MB decolorization, surpassing Fe3O4 which only reached 75% under similar conditions. To support these comparative performances, the catalysts were characterized using SEM-EDX, XRD, FTIR, and BET analyses. After five cycles of reusability, the Fe.S maintained complete removal of MB, whereas the Fe3O4 reusability maintained 45% after three cycles. However, Fe.S experienced leaching of metal ions concentration range 0.1 – 0.5 mgL-1, which is exceed the allowable regulatory limits. Overall, the study highlights the potential of Fe.S for efficient MB dye removal. Nonetheless, the metal leaching concern must be resolved prior to practical application. Penerbit UiTM (UiTM Press) 2025-03 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/111164/1/111164.pdf Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]. (2025) Scientific Research Journal <https://ir.uitm.edu.my/view/publication/Scientific_Research_Journal/>, 22 (1): 2. pp. 19-37. ISSN 1675-7009
institution	Universiti Teknologi Mara
building	Tun Abdul Razak Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Mara
content_source	UiTM Institutional Repository
url_provider	http://ir.uitm.edu.my/
language	English
topic	Electrochemical analysis
spellingShingle	Electrochemical analysis Azizan, Nurul Athikah Nasuha, Norhaslinda Imam Maarof, Hawaiah Wan Ismail, Wan Izhan Nawawi Sufian, Suriati Ahmad Shakri, Nurul Izzah Zahar, Nadiatul Nabilah Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
description	This study explores the efficacy of a spent iron-based (Fe.S) catalyst for the photo-assisted electrochemical for removal of Methylene Blue (MB) dye. The catalyst performance was assessed under various operational parameters, including catalyst loading, initial solution pH, current density, and initial dye concentration. The commercial iron oxide (Fe3O4) performance was benchmarked against spent iron-based catalyst under similar operational conditions. The results revealed that the best catalyst dosage was found at 0.02 g and 0.06 g for Fe.S and Fe3O4, respectively. Interestingly, the Fe.S achieved complete MB decolorization, surpassing Fe3O4 which only reached 75% under similar conditions. To support these comparative performances, the catalysts were characterized using SEM-EDX, XRD, FTIR, and BET analyses. After five cycles of reusability, the Fe.S maintained complete removal of MB, whereas the Fe3O4 reusability maintained 45% after three cycles. However, Fe.S experienced leaching of metal ions concentration range 0.1 – 0.5 mgL-1, which is exceed the allowable regulatory limits. Overall, the study highlights the potential of Fe.S for efficient MB dye removal. Nonetheless, the metal leaching concern must be resolved prior to practical application.
format	Article
author	Azizan, Nurul Athikah Nasuha, Norhaslinda Imam Maarof, Hawaiah Wan Ismail, Wan Izhan Nawawi Sufian, Suriati Ahmad Shakri, Nurul Izzah Zahar, Nadiatul Nabilah
author_facet	Azizan, Nurul Athikah Nasuha, Norhaslinda Imam Maarof, Hawaiah Wan Ismail, Wan Izhan Nawawi Sufian, Suriati Ahmad Shakri, Nurul Izzah Zahar, Nadiatul Nabilah
author_sort	Azizan, Nurul Athikah
title	Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
title_short	Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
title_full	Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
title_fullStr	Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
title_full_unstemmed	Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]
title_sort	performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (mb) dye / nurul athikah azizan ... [et al.]
publisher	Penerbit UiTM (UiTM Press)
publishDate	2025
url	https://ir.uitm.edu.my/id/eprint/111164/1/111164.pdf https://ir.uitm.edu.my/id/eprint/111164/
_version_	1825814856059584512
score	13.244413

Performance of spent iron-based catalyst in the photo assisted electrochemical system for the removal of methylene blue (MB) dye / Nurul Athikah Azizan ... [et al.]

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