NO oxidation with H2O2 catalyzed by zeolites in a fixed-bed reactor: Experimental and mechanism

Jing Li,Suxia Ma,Rongji Cui,Nuo Xu,Ting Pei

Molecular Catalysis（2022）

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摘要

•The NO removal efficiencies of β, SAPO-34 and ZSM-5 under optimal conditions were 92%, 83% and 67%, respectively.•NO+ was determined as the key species for NO oxidation with H2O2 by In-situ DRIFTS spectroscopy study.•Adsorbed NO+ is in equilibrium with gas-phase NO and desorbs to yield an oxidized acid site (Si-O•-Al).

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关键词

Zeolite,H2O2,Catalytic mechanism,Brønsted acid sites

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