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On-line Access: 2007-11-25

Received: 2007-07-20

Revision Accepted: 2007-10-20

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.113~117

http://doi.org/10.1631/jzus.A073019


Effect of nitrogen doping on the reduction of nitric oxide with activated carbon in the presence of oxygen


Author(s):  Xian-kai WAN, Hui-xiang SHI, Xue-quan ZOU, Peng GE, Da-hui WANG

Affiliation(s):  Institute of Environmental Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   xkwan@zju.edu.cn, huixiangshi@163.com

Key Words:  Activated carbon (AC), Nitric oxide, Doping, Reduction


Xian-kai WAN, Hui-xiang SHI, Xue-quan ZOU, Peng GE, Da-hui WANG. Effect of nitrogen doping on the reduction of nitric oxide with activated carbon in the presence of oxygen[J]. Journal of Zhejiang University Science A, 2008, 9(1): 113~117.

@article{title="Effect of nitrogen doping on the reduction of nitric oxide with activated carbon in the presence of oxygen",
author="Xian-kai WAN, Hui-xiang SHI, Xue-quan ZOU, Peng GE, Da-hui WANG",
journal="Journal of Zhejiang University Science A",
volume="9",
number="1",
pages="113~117",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A073019"
}

%0 Journal Article
%T Effect of nitrogen doping on the reduction of nitric oxide with activated carbon in the presence of oxygen
%A Xian-kai WAN
%A Hui-xiang SHI
%A Xue-quan ZOU
%A Peng GE
%A Da-hui WANG
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 1
%P 113~117
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A073019

TY - JOUR
T1 - Effect of nitrogen doping on the reduction of nitric oxide with activated carbon in the presence of oxygen
A1 - Xian-kai WAN
A1 - Hui-xiang SHI
A1 - Xue-quan ZOU
A1 - Peng GE
A1 - Da-hui WANG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 1
SP - 113
EP - 117
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A073019


Abstract: 
Nitrogen doping of activated carbon (AC) was performed by annealing both in ammonia and nitric oxide, and the activities of the modified carbons for NO reduction were studied in the presence of oxygen. Results show that nitrogen atoms were incorporated into the carbons, mostly in the form of pyridinic nitrogen or pyridonic nitrogen. The effect of nitrogen doping on the activities of the carbons can be ignored when oxygen is absent, but the doped carbons show desirable activities in the low temperature regime (≤500 °C) when oxygen is present. The role of the surface nitrogen species is suggested to promote the formation of NO2 in the presence of oxygen, and NO2 can facilitate decomposition of the surface oxygen species in the low temperature regime.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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