Research On Plasma Chemistry Reactions In C3H6/NO/O2/N2 ...

Skip to contentPlasma Science and Technology Institute of Plasma Physics, Chinese Academy of Sciences Research on Plasma Chemistry Reactions in C3H6/NO/O2/N2 Mixture Gases

Cai Yixi, Zhang Lefu, Wang Jun, Zhao Weidong and Wang Jing

Published under licence by IOP Publishing Ltd Plasma Science and Technology, Volume 12, Number 4Citation Cai Yixi et al 2010 Plasma Sci. Technol. 12 482DOI 10.1088/1009-0630/12/4/19

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Cai Yixi

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Zhang Lefu

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Wang Jun

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

EMAIL

[email protected]

Zhao Weidong

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Wang Jing

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

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Open scienceAuthors

Cai Yixi

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Zhang Lefu

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Wang Jun

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

EMAIL

[email protected]

Zhao Weidong

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

Wang Jing

AFFILIATIONS

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China

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Dates

1. Received 1 March 2010
2. Accepted 4 June 2010

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Abstract

A DBD-type (dielectric barrier discharge) NTP (non-thermal plasma) reactor was designed and an experimental system was established, in order to study the mechanism of plasma chemistry reactions in a gas mixture of C3H6/NO/O2/N2. This paper is focused on a. the effects of the initial concentrations of both NO and O2 upon NO conversion rate and the variations of NOx and O3 concentrations versus SED (specific energy density) when mixed gases of NO/O2/N2 passed the NTP reactor; b. the effects of the initial concentration of C3H6 upon NO oxidation and reduction reactions in mixed gases of NO/N2/C3H6 and NO/N2/O2/C3H6. The conclusions drawn are as follows. a. When the mixed gases of NO/O2/N2 passed the NTP reactor, NO was simultaneously involved in oxidation and reduction reactions with the former dominant and NO2 concentration increased at the NTP reactor outlet. The NO conversion rate decreased with the increase of the initial concentration of NO and O2, the O3 concentration firstly increased and then decreased with the increase in SED value. b. NO reduction reaction was very weak and energy consumption was very high in a mixed gases of NO/N2. However, when C3H6 was added, the NO conversion rate was significantly increased. When C3H6 was added to the mixed gases of NO/O2/N2, the NO conversion rate was significantly increased and the energy consumption was considerably reduced.

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