期刊
CATALYSIS COMMUNICATIONS
卷 146, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.catcom.2020.106133
关键词
Ethylene combustion; Metal-support interactions; Gold; Co3O4; Structured catalyst
资金
- National Natural Science Foundation of China [21707028]
- Science and Technology Foundation of Henan Province [202102310233]
- Doctor Programs Foundation of Henan University of Technology [2016BS017, 2019BS059]
- Fundamental Research Funds for Henan Provincial Colleges and Universities in Henan University of Technology [2017QNJH31]
- Province Key Laboratory of Cereal Resource Transformation and Utilization in Henan University of Technology [PL2017004]
- Zhengzhou University of Light Industry [2018BSJJ025]
Microfibrous structured Au/Co3O4/Al-fiber catalyst to be used for the combustion of ethylene (C2H4) traces was developed by hydrothermal growth of Co(OH)(2) nanoarrays onto thin-sheets of Al-fiber followed by solvent assisted incipient wetness impregnation of Au NPs. Such catalyst supported on the Co(OH)(2)/Al-fiber nanoarrays with different morphology exhibits different C2H4 conversion under the same combustion reaction conditions. Notably, the Au/Co3O4/Al-100 of low Au content provides unique combination of high low-temperature activity and high throughput. It was found that the strong Au-Co3O4 interactions over the Au/Co3O4/Al-100 catalyst prepared at 100 degrees C under hydrothermal conditions facilitate oxygen adsorption and activation, thereby enhancing the low-temperature catalytic activity for ethylene combustion.
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