期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 61, 期 51, 页码 18636-18645出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.2c02955
关键词
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资金
- National Natural Science Fund for Distinguished Young Scholars [22025803]
- Joint Fund of the Yulin University
- Dalian National Laboratory for Clean Energy (YLU-DNL Fund) [2021018]
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences [IAGM-2019-A14]
- Key Resources and Environment Projects of Hebei Province [20374002 D]
A new industrial catalyst has been developed that allows for control of the distribution of active components through adjusting the preparation conditions, providing valuable process parameters for industrial production of catalysts.
For supported catalysts, it is particularly important to ensure the effective loading of the active component on the support. A new industrial Cs-P/gamma-Al2O3 catalyst with controllable distribution of active components was developed and applied to the aldol condensation reaction of methyl propionate and formaldehyde. The distribution of active components was controlled by adjusting the preparation conditions, especially the adsorption time, to form the catalyst with a gradient concentration of active components, which had been confirmed by the EMPA and SEM-EDS characterization. In addition, the kinetic equations including pseudo-first- and pseudo-second-order kinetic models as well as isotherm equations based on Freundlich and Langmuir models were used to describe the adsorption process to provide valuable process parameters for industrial production of catalysts.
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