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Ziming Chen, Yuyan Gao, Zhihao Guo, Yan Du, Zhengyan Qu, Jiuxuan Zhang, Zhenchen Tang, Hong Jiang, Rizhi Chen. Integrated reaction–separation in a pilot-scale catalytic membrane reactor for efficient continuous p-nitrophenol hydrogenation. Green Energy&Environment. doi: 10.1016/j.gee.2025.10.001
Citation: Ziming Chen, Yuyan Gao, Zhihao Guo, Yan Du, Zhengyan Qu, Jiuxuan Zhang, Zhenchen Tang, Hong Jiang, Rizhi Chen. Integrated reaction–separation in a pilot-scale catalytic membrane reactor for efficient continuous p-nitrophenol hydrogenation. Green Energy&Environment. doi: 10.1016/j.gee.2025.10.001
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Integrated reaction–separation in a pilot-scale catalytic membrane reactor for efficient continuous p-nitrophenol hydrogenation

doi: 10.1016/j.gee.2025.10.001

  • a. State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu, P.R. China, 211816;

  • b. School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu, P.R. China, 211816;

  • c. Suzhou Laboratory, Suzhou, 215000, P.R. China

Funds:

The authors are grateful for the financial support from the National Key R&

D Program (2022YFB3805504), the National Natural Science Foundation (U24A20536, U23A20117, 22208149, 22278209, 22178165, 21921006), and the Jiangsu Province Natural Science Foundation (BK20220354, BK20211262) of China.

  • Received date 01 July 2025, Accepted date 08 October 2025, RevRecd date 29 August 2025, Available online 13 October 2025
    Abstract
  • Hydrogenation reactions, vital in chemical engineering, are hampered by limitations including catalyst recovery, mass transfer issues, and scalability. Catalytic membrane reactors offer a promising alternative by integrating reaction and separation, boosting efficiency and simplifying catalyst handling. However, scaling these membranes to industrial levels while ensuring long-term stability and high efficiency remains a significant challenge. This study tackles this by developing and demonstrating a pilot-scale multi-channel ceramic catalytic membrane reactor system. This system, featuring three 19-channel ceramic catalytic membranes, achieved nearly 100% p-nitrophenol hydrogenation conversion consistently over 600 h of continuous liquid-phase operation. This underscores the multi-channel ceramic catalytic membrane superior catalytic efficiency, remarkable long-term stability, and strong scalability. This work establishes a robust platform for continuous-flow hydrogenation, providing a solid foundation for practical catalytic membrane reactors technology application in the chemical industry.

     

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