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Complex Concentrated Alloy Catalyst of AlCrFeCoNi for Heterogeneous degradation of Rhodamine B

1Research Center for Chemistry - BRIN, Building 452 KST BJ Habibie, Serpong, Tangerang Selatan 15314, Indonesia

2Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Riau, Kampus Bina Widya, Km 12.5, Pekanbaru, Riau, Indonesia

3Research Center for Advanced Materials - BRIN, Building 442 KST BJ Habibie, Serpong, Tangerang Selatan 15314, Indonesia

Received: 2 Jan 2024; Revised: 13 Feb 2024; Accepted: 14 Feb 2024; Available online: 16 Feb 2024; Published: 30 Apr 2024.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2024 by Authors, Published by BCREC Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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The Fe-based catalysts have attracted good attention due to their earth abundance and low toxicity with good Fenton-like performance. However, the narrow pH working range and iron-containing sludge produced during the reaction drove the necessary of developing a potential catalyst in the corresponding application. High entropy alloy that now expands to complex concentrated alloy (CCA) represents a new class of material owing to a broader range of functional and structural properties. A new application of CCA as a catalyst for catalytic degradation of azo dyes has already been a scientific research hotspot. AlCrFeCoNi CCA powder has been successfully synthesized by mechanical alloying (MA) method using a vertical planetary ball mill. Based on the characterization, the catalyst possessed a spherical morphology with a particle size range of 3.5-12.6 mm. The catalyst exhibited photo-Fenton performance up to 85.3% which would be a promising Fenton-like catalyst for wastewater treatment. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (

Keywords: complex concentrated alloy (CCA); azo dyes; AlCrFeCoNi, mechanical alloying, ball mill
Funding: Badan Riset dan Inovasi Nasional

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