期刊
ACS OMEGA
卷 4, 期 1, 页码 1077-1085出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.8b02741
关键词
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资金
- Thailand Research Fund (TRF) through the Royal Golden Jubilee Ph.D. Program [PHD/0139/2556]
- National Nanotechnology Center (NANOTEC), NSTDA, Ministry of Science and Technology, Thailand through its program of Research Network NANOTEC (RNN)
- Austrian Science Fund (FWF) [DK+ Solids4Fun W1243]
Cu-ZnO/Al-MCM-41 catalysts were studied for NOx reduction. The total metal loading was varied as 3, 5, and 7 wt %, whereas the Cu-to-ZnO ratio was fixed at 1:1. Too high metal loading led to lower reducibility of Cu2+, as CuO and ZnO covers on the catalyst surface could partially block pores and hinder gas molecules to access the Cu2+ ions. Subsequently, Cu loading was fixed at 2.5 wt %, whereas ZnO content was varied as 0, 2.5, and 3.5 wt %. The results demonstrated that 2.5Cu-2.5ZnO catalyst exhibits the best catalytic activity, as it gave the average NO conversion of 87%.
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