Journal
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Volume 56, Issue 14, Pages 10095-10104Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.est.2c02083
Keywords
Cu-VWT catalyst; coal-fired flue gas; synergistic removal; NOx and VOCs
Categories
Funding
- National Key Research and Development Program of China [2018YFB0605200]
- Scienti fi c Research Project of Guangzhou City [201804020026]
Ask authors/readers for more resources
A dual-function catalyst, Cu5-VWT, has been developed for the synergistic removal of NOx and volatile organic compounds in complex coal-fired flue gas conditions. The catalyst shows high removal efficiency for various pollutants and effectively inhibits the formation of polycyclic aromatic hydrocarbons. Mechanistic studies reveal the role of Cu and V sites in the catalytic processes. The monolithic catalyst also exhibits superior performance in removing total hydrocarbons and non-methane total hydrocarbons from real coal-fired flue gas, indicating great potential for industrial applications.
A dual-function catalyst, designated as Cu5-VWT, has been constructed for the synergistic removal of NOx and volatile organic compounds under complex coal-fired flue gas conditions. The removal of toluene, propylene, dichloromethane, and naphthalene all exceeded 99% (350 degrees C), and the catalyst could effectively block the generation of polycyclic aromatic hydrocarbons. Mechanistic studies have shown that Cu sites on the Cu5-VWT catalyst facilitate catalytic oxidation, while V sites facilitate NOx reduction. Thus, toluene oxidation and NOx reduction can proceed simultaneously. The removal of total hydrocarbons and non-methane total hydrocarbons from 1200 m(3 center dot)h(-1) real coal-fired flue gas by a monolithic catalyst were determined as 92 and 96%, respectively, much higher than those of 54 and 72% over a commercial VWT catalyst, indicating great promise for industrial application.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available