期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 283, 期 -, 页码 25-30出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2019.03.032
关键词
Ethylene; Microporous zeolites
类别
资金
- Jiangsu Key Laboratory of Vehicle Emissions Control Program of China
- Mexican Research program CONACyT [3115621]
- ITQ
- EU [ERC-AdG-2014-671093]
Removal of trace amounts of C2H4 from air streams at low temperature is technologically important for fruit preservation in warehouses. For that reason, a systematic quantitative and comparative study of Ag-zeolites for trace ethylene adsorption has been carried out. Combining characterization results with trace ethylene adsorption in a fixed-bed system have allowed to stablish a correlation between Ag delta+ species present in the zeolites and trace ethylene adsorption capacity. Among the zeolites studied, silver exchanged zeolites with -CHA (SSZ-13) and -LTA (5A) frameworks exhibited the most stable and highly dispersed silver sites, with an excellent potential for indoor environmental control of trace ethylene at 0 degrees C.
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