何成
- 教授
- Supervisor of Doctorate Candidates
- Supervisor of Master's Candidates
- E-Mail:
- Date of Employment:2009-11-25
- Professional Title:教授
- Status:Employed
- Alma Mater:吉林大学
- College:School Of Materials Science And Engineering
- Discipline:Materials Science and Engineering
- Papers
Promotional mechanism of propane on selective catalytic reduction ofNOxby methane over In/H-BEA at low temperature
Release Time:2025-04-30 Hits:
- Date:2025-04-30
- Title of Paper:Promotional mechanism of propane on selective catalytic reduction ofNOxby methane over In/H-BEA at low temperature
- Journal:Applied Surface Science
- Summary:Effects of propane/methane ratios on NOxreduction by mixtures of methane and propane over In/H-BEAcatalyst were investigated at temperatures ranging from 250 to 550◦C. The higher catalytic activity ofIn/H-BEA was exhibited for CH4-SCR at high temperatures above 450◦C, while the higher NOxconver-sion was achieved in C3H8-SCR at below 425◦C. A broadened temperature window and enhanced CO2selectivity were achieved by combining of methane and propane as the co-reductant. The mixtures withpropane/methane of 1/2 showed the most superior T50(325◦C) and T90(500◦C) temperatures for NOxreduction over In/H-BEA catalyst. For the promotion mechanism of propane on NO reduction by methaneat low temperature, the formation of carbonaceous species (e.g. R-COOH) were enhanced by the activa-tion of C3H8on Brønsted acid sites at low temperature, and further promoted the generation of NCOspecies, which was a crucial determining step for NO reduction.
- Co-author:Hua Pan, Yanfei Jian, Yanke Yu, Ningna Chen, Chi He∗, Cheng He*
- Volume:390 (2016) 608–616
- Page Number:390 (2016) 608–616
- Translation or Not:No
- Date of Publication:2016-09-01