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Shin, Hyun Ho; Yoon, Woong-Sup

doi:10.1023/a:1025595318945

Cited by 28 publications

(14 citation statements)

References 18 publications

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“…The kinetic of propane in non-thermal plasmas of atmospheric gases (N 2 /O 2 /H 2 O mixtures) is currently under study owing to various applications such as cleaning of polluted air streams [1][2][3][4][5][6], or more recently plasma assisted ignition and combustion [7][8][9][10][11][12][13]. Owing to other types of previously developed applications of low pressure plasmas, for example carbon compounds thin films production [14], numerous works have been performed in the past about electron collisions on this hydrocarbon molecule [15][16][17][18], especially on ionisation processes.…”

Section: Introductionmentioning

confidence: 99%

Propane dissociation in a non-thermal high-pressure nitrogen plasma

Moreau¹,

Pasquiers²,

Blin-Simiand³

et al. 2010

J. Phys. D: Appl. Phys.

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Abstract. The removal and the conversion processes of propane in N 2 /C 3 H 8 mixtures (concentration of hydrocarbon molecules up to 5500 ppm) energised by a photo-triggered discharge (homogeneous plasma) are studied at 460 mbar total pressure, both experimentally and theoretically. A self-consistent 0D discharge and kinetic model is used to interpret chromatographic measurements of propane and some by-products concentrations (hydrogen and hydrocarbons with 2 or 3 carbon atoms). It is suggested, from the comparison between measurements and model predictions, that quenching processes of nitrogen metastable states by C 3 H 8 lead to the dissociation of the hydrocarbon molecule, and are the most important processes for the removal of propane. Such a result is obtained using the quenching coefficient value previously determined by Callear and Wood for the A 3 Σ + u state [19], whereas the coefficient for collisions of the singlet states with C 3 H 8 is estimated to be 3.0x10 -10 cm 3 s -1 in order to explain the measured propane disappearance in the N 2 / C 3 H 8 mixture excited by the photo-triggered discharge. The hydrogen molecule is the measured most populated by-product and, also from the comparison between experimental results and model predictions, the most probable dissociation products of propane appear to be H 2 and C 3 H 6 . The propene molecule is also efficiently dissociated by quenching processes of N 2 states, and probably leads to the production of hydrogen atoms and methyl radicals with equivalent probabilities. The kinetic model predicts that the carbon atom is distributed amongst numerous molecules, including HCN, CH 4 , C 2 H 2 , C 2 H 4 , C 2 H 6 , C 3 H 6 .

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Section: Introductionmentioning

confidence: 99%

Propane dissociation in a non-thermal high-pressure nitrogen plasma

Moreau¹,

Pasquiers²,

Blin-Simiand³

et al. 2010

J. Phys. D: Appl. Phys.

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“…Besides NO and NO 2 , diesel exhaust contains considerable amounts of soot (particulate matters) and hydrocarbons, which can be converted into carbon oxides and partially oxidized hydrocarbon compounds in the DBD reactor. (23,24) As can be seen in Fig. 10, carbon monoxide (CO) and formaldehyde (HCHO) were observed at the outlet of the DBD reactor (before catalyst).…”

Section: Dielectric Barrier Discharge-catalysis Hybrid Systemmentioning

confidence: 92%

Simultaneous Removal of Nitrogen Oxides and Particulate Matters from Diesel Engine Exhaust using Dielectric Barrier Discharge and Catalysis Hybrid System

Mok

Huh

2005

Plasma Chem Plasma Process

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Dielectric barrier discharge (DBD) and catalysis hybrid process was used to remove nitrogen oxides and particulate matters from diesel engine exhaust. The DBD reactor converts a part of NO into NO 2 , and then the exhaust gas containing the mixture of NO and NO 2 enters the catalytic reactor where both NO and NO 2 are reduced to N 2 . The effect of energy density (power input divided by gas flow rate) and reaction temperature on the removal of nitrogen oxides was investigated with a stationary diesel engine. The hybrid process was able to remove about 80% of the initial nitrogen oxides at an energy density of 25 J/L and 150 • C. The removal of particulate matters did not largely depend on the electrode structure, but it was a strong function of the energy density. On the basis of 80% removal efficiency, the energy yield for nitrogen oxides was 40 eV/molecule while that for particulate matters was 83 kJ/mg. The present study suggests that this kind of hybrid process can be applied to simultaneous removal of nitrogen oxides and particulate matters from diesel engine exhausts.

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“…In the 1990 s, foreign began to research use the low temperature plasma technology to reduce the diesel exhaust [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18].Using the low NTP technology research and development of automobile 3rd International Conference on Mechatronics and Information Technology (ICMIT 2016) exhaust purification device besides general automobile exhaust purifier has the function of, still have the following features: 1) Reduce the engine's fuel consumption. 2) Reduce the engine's noise, smooth operation.…”

Section: Research Actualitymentioning

confidence: 99%

Design and Research of Marine Non-thermal Plasma Reactor

Jiang¹,

Wei²

2016

Proceedings of the 2016 3rd International Conference on Mechatronics and Information Technology

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Abstract. This paper introduces a new technology of exhaust treatment: dielectric barrier discharge plasma technology. Non-thermal plasma (NTP) has been studied as a potential candidate for diesel engine exhaust after-treatment, and the NTP reactor was the critical component in the technology. Research shows that, combined the NTP catalytic purification technology with the existing purification technology could overcome the shortcomings of existing catalyze, improve the efficiency of the engine exhaust particulate matter, hydrocarbons and nitrogen oxides, and has a wide application prospect.

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Untitled

Cited by 28 publications

References 18 publications

Propane dissociation in a non-thermal high-pressure nitrogen plasma

Propane dissociation in a non-thermal high-pressure nitrogen plasma

Simultaneous Removal of Nitrogen Oxides and Particulate Matters from Diesel Engine Exhaust using Dielectric Barrier Discharge and Catalysis Hybrid System

Design and Research of Marine Non-thermal Plasma Reactor

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