Article (Scientific journals)
Functional role of B-site substitution on the reactivity of CaMFeO3 (M = Cu, Mo, Co) perovskite catalysts in heterogeneous Fenton-like degradation of organic pollutant
Alrozi, Rasyidah; Zubir, Nor Aida; Bakar, Noor Fitrah Abu et al.
2023In Journal of the Taiwan Institute of Chemical Engineers, 143, p. 104675
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Keywords :
B-site substitution; Degradation; Fenton-like; Organic pollutant; Perovskites; Reactivity; Acid Orange II; Active site; Catalytic reactivity; Fenton likes; Heterogeneous fenton; Perovskite catalysts; Redox cycling; ]+ catalyst; Chemistry (all); Chemical Engineering (all); B -site substitution; Fenton -like; General Chemical Engineering; General Chemistry
Abstract :
[en] Background: Substitution of different types of B-site metal cations in the perovskite structure led to a significant change in the catalytic reactivity of the resulting catalysts. In this work, the functional role of B-site substitution on the catalytic reactivity of mixed oxides containing B-site substituted CaMFeO3 (M = Cu, Mo and Co) perovskite catalysts is investigated. Methods: The catalysts were synthesized via a modified EDTA-citric acid complexation method and tested for the heterogeneous Fenton-like reaction for oxidative degradation of acid orange II (AOII) dye in the presence of H2O2. Significant findings: CaCuFeO3 exhibited the highest AOII degradation (97%) followed by CaMoFeO3 (90%), CaFeO3 (64%) and CaCoFeO3 (40%) within 60 min of reaction, and the reaction followed a pseudo-second-order kinetics model. Interestingly, the partial substitution of Cu in the B-site of CaFeO3 enhanced the reaction rate constant achieving a k value of 1.9 × 10−2 L mg−1 min−1, approximately twenty-one times higher than that of the blank catalyst CaFeO3. The enhanced catalytic reactivity of CaCuFeO3 is associated with the high reducibility of copper/iron ions within the B-site structure in the presence of oxidant which facilitated fast redox cycling of the active sites during catalysis. The fast redox cycling is attributed to the decent electron mobility due to low electron transfer resistance between the active sites.
Disciplines :
Chemical engineering
Author, co-author :
Alrozi, Rasyidah ;  Centre for Chemical Engineering Studies, Universiti Teknologi MARA, Permatang Pauh, Malaysia ; Hybrid Nanomaterials, Interfaces & Simulation (HYMFAST), Centre for Chemical Engineering Studies, Universiti Teknologi MARA, Permatang Pauh, Malaysia
Zubir, Nor Aida ;  Centre for Chemical Engineering Studies, Universiti Teknologi MARA, Permatang Pauh, Malaysia ; Hybrid Nanomaterials, Interfaces & Simulation (HYMFAST), Centre for Chemical Engineering Studies, Universiti Teknologi MARA, Permatang Pauh, Malaysia ; Water Research and Environmental Sustainability Growth (WAREG), Universiti Malaysia Perlis (UniMAP), Arau, Malaysia
Bakar, Noor Fitrah Abu;  School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA Shah Alam, Shah Alam, Malaysia
LADEWIG, Bradley Paul  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) ; Karlsruhe Institute of Technology, Institute for Micro Process Engineering, Eggenstein-Leopoldshafen, Germany
Motuzas, Julius;  The University of Queensland, FIM2Lab—Functional Interfacial Materials and Membranes Laboratory, School of Chemical Engineering, Brisbane, Australia
Bakar, Noor Hana Hanif Abu;  Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia
Wang, David K.;  School of Chemical and Biomolecular Engineering, The University of Sydney, New South Wales, Australia
da Costa, João C. Diniz;  The University of Queensland, FIM2Lab—Functional Interfacial Materials and Membranes Laboratory, School of Chemical Engineering, Brisbane, Australia ; LAQV-REQUIMTE, (Bio)Chemical Process Engineering, Department of Chemistry, Faculty of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal ; iBET – Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal
External co-authors :
yes
Language :
English
Title :
Functional role of B-site substitution on the reactivity of CaMFeO3 (M = Cu, Mo, Co) perovskite catalysts in heterogeneous Fenton-like degradation of organic pollutant
Publication date :
February 2023
Journal title :
Journal of the Taiwan Institute of Chemical Engineers
ISSN :
1876-1070
Publisher :
Taiwan Institute of Chemical Engineers
Volume :
143
Pages :
104675
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
The authors would like to acknowledge the Ministry of Higher Education Malaysia (MOHE) and Universiti Teknologi MARA Cawangan Pulau Pinang for the financial support under Fundamental Research Grant Scheme (600-IRMI/FRGS 5/3 (158/2019)) and the Sydney Southeast Asia Centre for the Collaborative Research Grant (100-TNCPI/INT 16/6/2 (006/2022)). The authors also acknowledge the scientific and technical assistance of the EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO CORE), Universiti Teknologi MARA. R. Alrozi gratefully acknowledges the generous financial support from Ministry of Higher Education Malaysia (MOHE) and Universiti Teknologi MARA (UiTM) for her study leave. J. C. Diniz da Costa gratefully thank as invited Professor funded by the Associate Laboratory for Green Chemistry – LAQV, financed by the National Portuguese funds from FCT/MCTES (UIDB/50006/2020).The authors would like to acknowledge the Ministry of Higher Education Malaysia (MOHE) and Universiti Teknologi MARA Cawangan Pulau Pinang for the financial support under Fundamental Research Grant Scheme (600-IRMI/FRGS 5/3 (158/2019)) and the Sydney Southeast Asia Centre for the Collaborative Research Grant (100-TNCPI/INT 16/6/2 (006/2022)). The authors also acknowledge the scientific and technical assistance of the EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO[sbnd]CORE), Universiti Teknologi MARA. R. Alrozi gratefully acknowledges the generous financial support from Ministry of Higher Education Malaysia (MOHE) and Universiti Teknologi MARA (UiTM) for her study leave. J. C. Diniz da Costa gratefully thank as invited Professor funded by the Associate Laboratory for Green Chemistry – LAQV, financed by the National Portuguese funds from FCT/MCTES (UIDB/50006/2020).
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