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Ozone-initiated degradation of 1,2-dichlorobenzene over ceria-supported manganese, nickel, vanadium and iron catalysts

  • Nomthandazo Mkhize und Viswandha Srirama Rajasekhar Pullabhotla ORCID logo EMAIL logo
Veröffentlicht/Copyright: 4. März 2024
Pure and Applied Chemistry
Aus der Zeitschrift Pure and Applied Chemistry Band 96 Heft 5

Abstract

Oxidative degradation of 1,2-dichlorobenzene using different loadings of metal (Mn, Ni, V, and Fe) supported on CeO2 was studied. All metal (Mn, Ni, V, and Fe) loaded CeO2 catalysts were synthesized using the method called wet impregnation and the as-synthesized catalyst materials were characterized using different analytical instruments such as FT-IR, SEM-EDX, XRD, BET, ICP-OES, and TEM methods. The oxidation reactions of 1,2-dichlorobenzene were studied by bubbling substrate (1,2-dichlorobenzene) with ozone (0.0794 mg/L) into a glass reactor via a porous bubbler of porosity 2 over a period of 24 h. A 2.5 % Fe/CeO2 catalyst was found to be the most active catalyst with a percentage conversion of 62 % within 24 h of ozonation. The oxidation products were identified using GC-MS and FT-IR spectroscopy was used to study the functional groups present in the ozonation product. The ozonation products that were identified are mucochloric acid and 3,4-dichloro-2,5-furandione. All the V loaded on CeO2 catalysts produced 100 % mucohloric acid at the end of ozonation (24 h).

Keywords: 1,2-dichlorobenzene; catalytic ozonation; CeO2 catalyst; metal (Mn, Ni, V, and Fe) supported on ceria catalysts; ozone; VCCA-2023
Corresponding author: Viswandha Srirama Rajasekhar Pullabhotla, Department of Chemistry, Faculty of Science, Agriculture and Engineering, University of Zululand, P/Bag X1001, KwaDlangezwa, 3886, South Africa, Phone: + 27 35 902 6155, Fax: + 27 35 902 6568, e-mail:
Article note: A collection of invited papers based on presentations at the Virtual Conference on Chemistry and its Applications 2023 (VCCA-2023).

Funding source: National Research Foundation

Award Identifier / Grant number: Developmental Grant for Rated Researchers (112145)

Award Identifier / Grant number: Incentive Fund Grant (Grant No: 132468)

Acknowledgments

The authors acknowledge the EMU at the University of KwaZulu-Natal, Westville campus, for providing us access to their TEM facility. Rajasekhar Pullabhotla would like to acknowledge the National Research Foundation (NRF, South Africa) for the financial support in the form of the Incentive Fund Grant (Grant No: 132468) and Research Developmental Grant for Rated Researchers (112145).

  1. Research ethics: All subjects gave their informed consent for inclusion before they participated in the study. The study was conducted in accordance with the Declaration of University of Zululand Research Ethics and protocol was approved University of Zululand Research ethics Commitee.

  2. Author contributions: Nomthandazo Mkhize: Formal analysis, Investigation, Writing - original draft; Viswanadha Srirama Rajasekhar Pullabhotla: Conceptualization, Supervision, Methodology, Formal analysis, Writing - original draft, Writing - review & editing, Funding acquisition.

  3. Competing interests: The authors declare no conflict of interest.

  4. Research funding: The authors would like to acknowledge the Research and Innovation Office, UZ, for the financial support n the form of Project S 451/12 and the National Research Foundation (NRF, South Africa) for the financial support in the form of the Incentive Fund Grant.

  5. Data availability: Supplementary data related to this article can be found, in the online version, at (https://doi.org/10.1515/pac-2023-1019).

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/pac-2023-1019).

Published Online: 2024-03-04
Published in Print: 2024-05-27

© 2024 IUPAC & De Gruyter

Artikel in diesem Heft

  1. Frontmatter
  2. In this issue
  3. Special topic papers
  4. Ozone-initiated degradation of 1,2-dichlorobenzene over ceria-supported manganese, nickel, vanadium and iron catalysts
  5. The effect of chemical modification using citraconic anhydride on the stability of α-amylase from Aspergillus fumigatus
  6. Decarbonizing our environment via the promotion of biomass methanation in developing nations: a waste management tool
  7. Maximising the consistency of the presentation of the molecular level with its quantum mechanical description: challenges and opportunities
  8. The amide group and its preparation methods by acid-amine coupling reactions: an overview
  9. Surface tension measurement of FAP-based ionic liquid pendant drops in a high vacuum/gas cell
  10. Investigating the bioactive compounds from Capsicum annum as a probable alternative therapy for prostate cancer treatment: a structure-based drug design approach
  11. Crucial role of the internalisation of the distinction between dependent and independent variables for clearer chemistry understanding
  12. 3-(4-methoxyphenyl) acrylic acid halts redox imbalance and modulate purinergic enzyme activity in iron-induced testicular injury
  13. Computational study on reactivity, aromaticity, and absorption spectra of chrysene: effect of BN doping and substituents
  14. Health benefit of lipid composition of orange (Citrus sinensis) fruit pulp at different maturation stages
https://doi.org/10.1515/pac-2023-1019
Schlagwörter für diesen Artikel
1,2-dichlorobenzene; catalytic ozonation; CeO2 catalyst; metal (Mn, Ni, V, and Fe) supported on ceria catalysts; ozone; VCCA-2023

Artikel in diesem Heft

  1. Frontmatter
  2. In this issue
  3. Special topic papers
  4. Ozone-initiated degradation of 1,2-dichlorobenzene over ceria-supported manganese, nickel, vanadium and iron catalysts
  5. The effect of chemical modification using citraconic anhydride on the stability of α-amylase from Aspergillus fumigatus
  6. Decarbonizing our environment via the promotion of biomass methanation in developing nations: a waste management tool
  7. Maximising the consistency of the presentation of the molecular level with its quantum mechanical description: challenges and opportunities
  8. The amide group and its preparation methods by acid-amine coupling reactions: an overview
  9. Surface tension measurement of FAP-based ionic liquid pendant drops in a high vacuum/gas cell
  10. Investigating the bioactive compounds from Capsicum annum as a probable alternative therapy for prostate cancer treatment: a structure-based drug design approach
  11. Crucial role of the internalisation of the distinction between dependent and independent variables for clearer chemistry understanding
  12. 3-(4-methoxyphenyl) acrylic acid halts redox imbalance and modulate purinergic enzyme activity in iron-induced testicular injury
  13. Computational study on reactivity, aromaticity, and absorption spectra of chrysene: effect of BN doping and substituents
  14. Health benefit of lipid composition of orange (Citrus sinensis) fruit pulp at different maturation stages
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