Zhenping Qu
Dalian Institute of Chemical Physics
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Publication
Featured researches published by Zhenping Qu.
Applied Catalysis B-environmental | 2002
Chuan Shi; Mojie Cheng; Zhenping Qu; Xuefeng Yang; Xinhe Bao
The catalytic performance of silver-modified ZSM-5 catalysts in the selectively catalytic reduction (SCR) of NOx with methane was investigated. NO was selectively reduced by CH4 to N2 in the presence of excess O2, and the catalytic activity depended on both the activation of CH4 and the adsorption properties of NOx. Silver incorporated in ZSM-5 zeolite activated CH4 at low temperatures and lowered the “light-off” temperature for the CH4-SCR of NOx. Temperature-programmed (TP) spectroscopy studies depicted that surface nitrosyl species directly decomposed to N2 in the absence of O2. CH4 could not effectively reduce surface nitrosyl species, but might facilitate the direct decomposition of NO through the removal of surface oxygen. Surface nitrates were formed in NO and O2 coexisting system and could be effectively reduced by CH4 to nitrogen. The priority of surface nitrates to O2 in the reaction with CH4 clearly demonstrated that CH4 selectively and preferentially reduced the surface nitrate species to N2 in the excess of oxygen.
Catalysis Today | 2004
Shenglin Liu; Zhenping Qu; Xiuwen Han; Chenglin Sun
Journal of Catalysis | 2005
Zhenping Qu; Mojie Cheng; Weixin Huang; Xinhe Bao
Journal of Physical Chemistry B | 2005
Zhenping Qu; Weixin Huang; Mojie Cheng; Xinhe Bao
Applied Catalysis B-environmental | 2004
Chuan Shi; Mojie Cheng; Zhenping Qu; Xinhe Bao
Journal of Catalysis | 2005
Zhenping Qu; Weixin Huang; Shutian Zhou; Heng Zheng; Xiumei Liu; Mojie Cheng; Xinhe Bao
Catalysis Today | 2004
Zhenping Qu; Mojie Cheng; Xinglong Dong; Xinhe Bao
Journal of Molecular Catalysis A-chemical | 2005
Zhenping Qu; Mojie Cheng; Chuan Shi; Xinhe Bao
Journal of Molecular Catalysis A-chemical | 2005
Chuan Shi; Mojie Cheng; Zhenping Qu; Xinhe Bao
Catalysis Letters | 2005
Zhenping Qu; Shutian Zhou; Weicheng Wu; Can Li; Xinhe Bao