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ABSTRACT
CeO2-TiO2/FA catalysts with the selective catalytic reduction (SCR), using industrial solid waste-Fly Ash (FA) as the supporter was prepared by sol-gel and insuccation methods. Ammonia was used as reducing gas to detect the catalytic performance of as-prepared catalyst. Surface structure and catalytic properties of the catalyst were characterized by using BET, XRD, SEM and denitrification tests, respectively. It was confirmed that the loading of CeO2 and TiO2 on FA supporter led to the increased the specific surface area of catalysts, which resulted in the enhanced catalytic performance toward removing NOx. The NOx conversion over this catalyst can reach 95.3%.
Funding
This project was financially supported by Key Laboratory of Salt Lake Resources and Chemistry of Qinghai Province (KLSLRC-KF-13-HX-10), Key Laboratory of Comprehensive Utilization of Salt Lake Resources of Qinghai Province (Q-SYS-2014-KF-02), Key Laboratory Project of Qinghai Province (2014-Z-Y04) and Science and Technology Research of Xining city (2015-G-06).