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1887
Volume 70, Issue 2
  • ISSN: 2056-5135
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  • oa Hotspot Research on Ozone in Environmental Catalysis

    A bibliometric analysis

  • Authors: Qingrong Yang1, Bingxin Hu2, Chaoyue Zhang1, Wenjie Duan3 and Rencheng Zhu1,4
  • 1 School of Ecology and Environment, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, 450001, China 2 Institute of Atmospheric Research, Chinese Research Academy of Environmental Sciences, No. 8 Dayangfang, Beijing, 100012, China 3 Institute of Chemistry, Henan Academy of Sciences, No. 56 Hongzhuan Road, Zhengzhou, 450003, China 4 Zhengzhou Engineering Research Center on VOCs Treatment, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, 450001, China
    *[email protected] §[email protected]
  • Source: Johnson Matthey Technology Review, Volume 70, Issue 2, Apr 2026, p. 244 - 257
  • DOI: https://doi.org/10.1595/205651326X17466063775855
    • Received: 10 Feb 2025
    • Accepted: 06 May 2025

Abstract

In order to systematically sort out the current research status, application areas and development direction of ozone in environmental catalysis, a bibliometric analysis of the relevant literature published in the Web of Science database from 2005 to 2025 was carried out. VOSviewer 1.6.20 and CiteSpace 6.4.R1 software were utilised to view data from 1379 journal articles. Data visualisation and analysis identified 5330 authors, 249 journals and 1276 institutions. The results show that the number of publications in the field of ozone-related environmental catalysis is on an increasing trend, especially after 2017. China, Spain, the USA, Iran and India are the main driving forces, with China being the most active country. The and the are the journals that publish the most relevant research. Harbin Institute of Technology, China, University of Engineering and Technology Lahore, Pakistan and Beijing Forestry University, China are the three institutions that publish the most literature. Currently, a more complete theoretical framework and research methodology on ozone environmental catalysis is being developed worldwide. However, the research network is too centralised, with fewer frontier peripheral branches. The research focus has gradually shifted from the early direct oxidation of ozone to the design of catalytic materials, radical modulation and multi-technology coupling (photocatalysis, plasma), and in recent years, more attention has been paid to the synergistic degradation of complex pollutants (antibiotics, volatile organic compounds (VOCs)) and the optimisation of the green and sustainable processes. It is necessary to overcome the bottlenecks of catalyst stability, energy consumption and byproduct control, and promote the scale-up of ozone catalysis technology in water treatment and air purification. The present study is of great importance for a better understanding and further supporting the research of ozone environmental catalytic processes.

© 2026 Johnson Matthey
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Hotspot Research on Ozone in Environmental Catalysis
Johnson Matthey Technology Review 70, 244 (2026); https://doi.org/10.1595/205651326X17466063775855
/content/journals/10.1595/205651326X17466063775855
/content/journals/10.1595/205651326X17466063775855
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  • Article Type: Review Article
Keyword(s): bibliometrics; environmental catalysis; ozone; research hotspots; visualisation

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