Catalytic performance of Ag(<i>x</i>)/ZSM-5 catalysts for selective catalytic reduction of nitric oxide by methane

SUN Jin-ru; WANG Ying; MA Qiang; LI Bin; ZHAO Yu; TIAN Yu; WANG Hong; CHI Yao-ling; LI Cui-qing; SONG Yong-ji

Volume 48 Issue 2

Feb. 2020

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Article Navigation > Journal of Fuel Chemistry and Technology > 2020 > 48(2): 197-204

SUN Jin-ru, WANG Ying, MA Qiang, LI Bin, ZHAO Yu, TIAN Yu, WANG Hong, CHI Yao-ling, LI Cui-qing, SONG Yong-ji. Catalytic performance of Ag(x)/ZSM-5 catalysts for selective catalytic reduction of nitric oxide by methane[J]. Journal of Fuel Chemistry and Technology, 2020, 48(2): 197-204.

Citation:

SUN Jin-ru, WANG Ying, MA Qiang, LI Bin, ZHAO Yu, TIAN Yu, WANG Hong, CHI Yao-ling, LI Cui-qing, SONG Yong-ji. Catalytic performance of Ag(x)/ZSM-5 catalysts for selective catalytic reduction of nitric oxide by methane[J]. Journal of Fuel Chemistry and Technology, 2020, 48(2): 197-204.

Citation:

SUN Jin-ru, WANG Ying, MA Qiang, LI Bin, ZHAO Yu, TIAN Yu, WANG Hong, CHI Yao-ling, LI Cui-qing, SONG Yong-ji. Catalytic performance of Ag(x)/ZSM-5 catalysts for selective catalytic reduction of nitric oxide by methane[J]. Journal of Fuel Chemistry and Technology, 2020, 48(2): 197-204.

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Catalytic performance of Ag(x)/ZSM-5 catalysts for selective catalytic reduction of nitric oxide by methane

SUN Jin-ru^{1, 2},
WANG Ying¹,
MA Qiang¹,
LI Bin¹,
ZHAO Yu¹,
TIAN Yu^{1, 2},
WANG Hong^{1
,
,},
CHI Yao-ling¹,
LI Cui-qing¹,
SONG Yong-ji¹

1.
College of Chemical Engineering, Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing Institute of Petrochemical Technology, Beijing 102617, China
2.
College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

Funds:

The project was supported by the National Natural Science Foundation of China U1662103

The project was supported by the National Natural Science Foundation of China 2167329

the National College Students Innovation and Entrepreneurship Training Program 2020J00212

More Information

Corresponding author: WANG Hong, E-mail: wanghong@bipt.edu.cn
Received Date: 2019-11-05
Rev Recd Date: 2019-12-31

Available Online: 2021-01-23

Publish Date: 2020-02-10

Abstract

Abstract

Ag(x)/ZSM-5 (x=3, 6, 9) catalysts for selective catalytic reduction of nitric oxide by methane (CH₄-SCR) were prepared by impregnation method. The physicochemical properties of the catalysts were characterized by XRD, SEM, NH₃-TPD, Py-FTIR, XPS and NO-TPD. The catalytic performance for selective catalytic reduction of nitric oxide by methane was evaluated in a fixed-bed micro-reactor under atmospheric pressure and the influence of Ag loading were investigated.The results show that the impregnation of Ag has changed the acidity and amount of acid of the catalyst and improved the adsorption and desorption performance of NO on ZSM-5 molecular sieve. With the increase of Ag loading, Ag particle size increases and results in higher methane activation as well as the denitration activity of CH₄-SCR over Ag(x)/ZSM-5 catalyst. Ag(9)/ZSM-5 has better denitration activity and the NO conversion is 41.87% at 350℃.
- methane,
- NO,
- Ag,
- ZSM-5,
- selective reduction

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References(33)

References

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