Polydopamine modified Au/FAU catalytic membrane for CO preferential oxidation

Li Peng; Limin Wang; Feng Zhu; Jinyun Liu; Wenfu Yan; Xuehong Gu

doi:10.1016/j.cjche.2019.03.029

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Polydopamine modified Au/FAU catalytic membrane for CO preferential oxidation

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Polydopamine modified Au/FAU catalytic membrane for CO preferential oxidation
- Chinese Journal of Chemical Engineering Vol. 27, Issue 10, Pages: 2560-2565(2019)
- Affiliations：
  
  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 5 Xinmofan Road,Nanjing,China,210009
  2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University,Changchun,China,130012
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.03.029
  CLC：
- Published：2019
- Accepted：
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Li Peng, Limin Wang, Feng Zhu, Jinyun Liu, Wenfu Yan, Xuehong Gu. Polydopamine modified Au/FAU catalytic membrane for CO preferential oxidation[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2560-2565.
DOI：

Li Peng, Limin Wang, Feng Zhu, Jinyun Liu, Wenfu Yan, Xuehong Gu. Polydopamine modified Au/FAU catalytic membrane for CO preferential oxidation[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2560-2565. DOI： 10.1016/j.cjche.2019.03.029.

摘要

Abstract

A hollow-fiber-supported stable Au/FAU catalytic membrane was successfully synthesized through a polydopamine coating modification-removal strategy and used as a flow-through catalytic membrane reactor for preferential oxidation of CO. Small Au nanoparticles can be efficiently isolated by dopamine and the dopamine-derived carbon shells. The interactions between Au nanoparticles and zeolite layer support are enhanced during annealing at high temperature under an inert atmosphere. A zeolite membrane supported Au nanoparticle catalyst was obtained after the removal of carbon shells

which showed high catalytic activity and stability for the removal of CO from hydrogen.

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