Non-thermal plasma for diesel exhaust treatment

Chae, Jae Ou

doi:10.1016/s0304-3886(02)00165-1

Cited by 133 publications

(69 citation statements)

References 6 publications

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“…A non-thermal plasma (NTP) process, using a dielectric barrier discharge (DBD), has been introduced as a promising technology for NOx and particulate matter removal [1,[5][6][7]. It has great potential for emission treatment since it can operate stably at atmospheric pressure and even at low temperature [8].…”

Section: Introductionmentioning

confidence: 99%

Experimental study on the optimization of dielectric barrier discharge reactor for NO<inf>x</inf>treatment

Talebizadeh

Rahimzadeh

Anaghizi

et al. 2016

IEEE Trans. Dielect. Electr. Insul.

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In this paper, a comprehensive study of a DBD reactor is conducted to investigate the optimum operating conditions of the reactor for NOx treatment. For each parameter, the objective is to find the maximum NOx removal efficiency with the minimum consumed power. Different effective parameters of the reactor i.e. electrode length and diameter, electrode and dielectric materials as well as parameters of power generator, i.e. voltage and frequency, are investigated. The results show that for this configuration, the electrode with 20 cm length and 10 mm diameter has the best performance. Aluminum as the inside electrode material and quartz as the dielectric material are selected. Furthermore, the optimum value for the pulse frequency is 16.6 kHz. For the mentioned optimum conditions, the NOx removal efficiency achieved is equal to almost 82% at the input power of 486 W. Furthermore, the highest achieved NOx removal is almost 92% at the input power of 864 W. The results of this paper can be used to reduce the energy consumption of NTP systems to acceptable levels.

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Section: Introductionmentioning

confidence: 99%

Experimental study on the optimization of dielectric barrier discharge reactor for NO<inf>x</inf>treatment

Talebizadeh

Rahimzadeh

Anaghizi

et al. 2016

IEEE Trans. Dielect. Electr. Insul.

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“…Furthermore, emission reduction in diesel engines at low temperature is important in some special applications of diesel engines such as mining industries where exhaust cooling occurs for safety reasons. In comparison with the numerous publications on NO x treatment by plasma (Lebouvier et al 2011;Vinh et al 2012;Arai et al 2004;Jolibois et al 2012;Mohapatro and Rajanikanth 2011;Chae 2003;Yoshida et al 2009), a limited amount of research has investigated particulate matter (Ye et al 2005;Thomas et al 2000;Babaie et al 2013) and most of it has emphasised PM mass reduction only (Yao et al 2006;Fushimi et al 2008). In this paper, the effect of plasma technique on particulate matter constitutes (soot, SOF and sulphates) and NO, NO 2 and N 2 O emission concentrations have been studied.…”

Section: Introductionmentioning

confidence: 94%

Influence of non-thermal plasma after-treatment technology on diesel engine particulate matter composition and NOx concentration

Babaie

Kishi

Arai

et al. 2015

Int. J. Environ. Sci. Technol.

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The effect of non-thermal plasma technology for particulate matter removal and nitrogen oxide emission reduction from diesel exhaust has been investigated. A sample of exhaust was cooled to the ambient temperature and passed through a dielectric barrier discharge reactor. This reactor was employed for producing plasma inside the diesel exhaust. A range of discharge powers by varying the applied voltage from 7.5 to 13.5 kV (peak-peak) at a frequency of 50 Hz has been evaluated during the experiments. Regarding the NO x emission concentration, the maximum removal efficiency has been achieved at energy density of 27 J/L. Soot, soluble organic fraction and sulphate components of diesel particulate matter have been analysed separately, and the consequence of plasma exposure on particle size distribution on both the nucleation and accumulation modes has been studied. Plasma was found to be very effective for soot removal, and it could approach complete removal efficiency for accumulation mode particles. However, when applied voltage approached 12 kV, the total number of nucleation mode particles increased by a factor of 50 times higher than the total particle numbers at the reactor inlet. This increase in nucleation mode particles increased even more when applied voltage was set at 13.5 kV.

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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%

“…Diesel NOx after-treatment is a serious problem since the concentration of oxygen is a high value in exhaust gas. It may be more than 5 vol% [2].…”

Section: Introductionmentioning

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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Non-thermal plasma for diesel exhaust treatment

Cited by 133 publications

References 6 publications

Experimental study on the optimization of dielectric barrier discharge reactor for NO<inf>x</inf>treatment

Experimental study on the optimization of dielectric barrier discharge reactor for NO<inf>x</inf>treatment

Influence of non-thermal plasma after-treatment technology on diesel engine particulate matter composition and NOx concentration

Design and Research of Marine Non-thermal Plasma Reactor

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