Efficient, continuous oxidation of durene to pyromellitic dianhydride mediated by a V-Ti-P ternary catalyst: The remarkable doping effect

Da Ke; Minjia Wang; Jiancheng Ruan; Xinzhi Chen; Shaodong Zhou

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Efficient, continuous oxidation of durene to pyromellitic dianhydride mediated by a V-Ti-P ternary catalyst: The remarkable doping effect

Full Length Article | Updated：2026-01-06

- Efficient, continuous oxidation of durene to pyromellitic dianhydride mediated by a V-Ti-P ternary catalyst: The remarkable doping effect
- Chinese Journal of Chemical Engineering Vol. 55, Issue 3, Pages: 156-164(2023)
- Affiliations：
  
  1. College of Chemical and Biological Engineering, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Zhejiang University,Hangzhou,China,310027
  2. Institute of Zhejiang University –, Quzhou,Quzhou,China,324000
- Author bio：
- Funds：
- DOI：
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- Published：2023
- Accepted：
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Da Ke, Minjia Wang, Jiancheng Ruan, Xinzhi Chen, Shaodong Zhou. Efficient, continuous oxidation of durene to pyromellitic dianhydride mediated by a V-Ti-P ternary catalyst: The remarkable doping effect[J]. Chinese Journal of Chemical Engineering, 2023, 55(3): 156-164.
DOI：

Da Ke, Minjia Wang, Jiancheng Ruan, Xinzhi Chen, Shaodong Zhou. Efficient, continuous oxidation of durene to pyromellitic dianhydride mediated by a V-Ti-P ternary catalyst: The remarkable doping effect[J]. Chinese Journal of Chemical Engineering, 2023, 55(3): 156-164. DOI：

摘要

Abstract

Continuous preparation of pyromellitic dianhydride (PMDA) from durene has been studied using a fixed-bed reactor. The reaction was performed using a phosphorus-vanadium-titanium ternary catalyst. Relatively high selectivity and yield of PMDA was obtained. The

in-situ

characterization was combined with theoretical calculation to reveal the reaction mechanisms

and the remarkable doping effect was discussed.

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