Simultaneous Decomposition of Diesel Particulate Material and NOx Using Dielectric Barrier Discharge

2006 ◽  
Vol 9 (2) ◽  
Author(s):  
Yukihiko Yamagata ◽  
Koichiro Niho ◽  
Toshifumi Jono ◽  
Yozo Kawagashira ◽  
Katsunori Muraoka
Keyword(s):  
Dielectric Barrier Discharge ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Particulate Material ◽  
Nitric Oxides ◽  
Closed Space ◽  
Gas Flow Rate ◽  
Diesel Particulate ◽  
Dielectric Barrier ◽  
A New Technique

AbstractWe propose a new technique for simultaneous decomposition of diesel particulate material (DPM) and nitric oxides (NOx) exhausted from a diesel engine. DPM and NOx are collected in a reactor using an electrostatic precipitation and a honeycomb-shaped adsorbent, respectively. After the sufficient collections, a dielectric barrier discharge (DBD) is generated in the closed space to condense and decompose DPM and NOx. DPM and NOx were decomposed simultaneously and effectively by the DBD, which act as the oxidant and reductant, respectively. It is considered that this technique is the most suitable for the decomposition of DPM and NOx with small concentration and high gas flow rate.

Removal of Toluene by Dielectric Barrier Discharge Combined with Modified Photocatalyst

2015 ◽  
Vol 737 ◽  
pp. 561-564
Author(s):  
Jing Xin Li ◽  
Bao Hui Li ◽  
Zhi Yong Li
Keyword(s):  
Energy Efficiency ◽  
Dielectric Barrier Discharge ◽  
Flow Rate ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Gas Flow Rate ◽  
Dielectric Barrier ◽  
Optimal Doping ◽  
Initial Concentration ◽  
Doping Ratio

The toluene being removed by dielectric barrier discharge (DBD) combined with modified photocatalyst was studied in the paper. Transition metal manganese was doped into crystal lattice of TiO2 in order to improve the activity of photocatalyst, and the optimal doping ratio was confirmed in the study. As one of main factors, the influence on toluene removal efficiency of gas flow rate, initial concentration and electric field intensity was analyzed in the study. Furthermore, the energy efficiency was another important index which had been compared amongγ-Al2O3, TiO2/γ-Al2O3 and Mn-TiO2/γ-Al2O3. The result of study showed that DBD combined with Mn-TiO2/γ-Al2O3 had the best buffer action against increasing of gas flow rate and initial concentration, the energy efficiency had the tendency as Mn-TiO2/γ-Al2O3 > TiO2/γ-Al2O3>γ-Al2O3, and the optimal doping ratio of manganese was 0.01.

Oligomerization of Carbon Monoxide in Plasma of the Dielectric Barrier Discharge

2016 ◽  
Vol 685 ◽  
pp. 635-638
Author(s):  
E. Litvishko ◽  
M. Goreshnev ◽  
Larisa Maletina
Keyword(s):  
Carbon Monoxide ◽  
Dielectric Barrier Discharge ◽  
Flow Rate ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Methane Formation ◽  
Gas Flow Rate ◽  
Dielectric Barrier

Influence of plasma dielectric barrier discharge on oligomerization of carbon monoxide was shown. The ratio of CO and H2 was equal to 2: 1. Gas flow-rate was 3 cm3/s for H2 and 6 sm3/s for CO. It was found that methane formation is 1.2% at parameters of dielectric barrier discharge of 0.1 J. per pulse, up to 2000 pulse per second.

The effects of gas flow pattern on the generation of ozone in surface dielectric barrier discharge

2019 ◽  
Vol 21 (5) ◽  
pp. 055505 ◽  
Author(s):  
Songru XIE ◽  
Yong HE ◽  
Dingkun YUAN ◽  
Zhihua WANG ◽  
Sunel KUMAR ◽  
...  
Keyword(s):  
Flow Pattern ◽  
Dielectric Barrier Discharge ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Dielectric Barrier ◽  
Surface Dielectric Barrier Discharge

Self-Organization of Microgap Dielectric-Barrier Discharge in Gas Flow

2008 ◽  
Author(s):  
Koichi Takaki ◽  
Kota Nawa ◽  
Seiji Mukaigawa ◽  
Tamiya Fujiwara ◽  
Takeshi Aizawa
Keyword(s):  
Dielectric Barrier Discharge ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Self Organization ◽  
Dielectric Barrier

scholarly journals Ar plasma jet generation and its application for water and surface sterilization

2019 ◽  
Vol 78 ◽  
pp. 02020
Author(s):  
Fada Feng ◽  
Xianjun He ◽  
Yingying Liang ◽  
Fengzhu Yang ◽  
Fushan Wang ◽  
...  
Keyword(s):  
Dielectric Barrier Discharge ◽  
Gas Flow ◽  
Barrier Discharge ◽  
Infrared Image ◽  
Atmospheric Pressure Plasma ◽  
Plasma Jet ◽  
Living Environment ◽  
Dielectric Barrier ◽  
Surface Sterilization ◽  
Ar Plasma

Microorganisms are widely distributed in the living environment of human, animals and plants. Some of the microorganisms are harmful for their pathogenic effects. Non-thermal plasma technology, especially, the atmospheric pressure plasma jet, is considered to be one of the promising technologies for sterilization. This work proposes a double-dielectric barrier discharge reactor for Ar plasma jet generation. Charteristics of discharge and temperature thermogram of plasma jet are investigated by the means of U-P curve and infrared image, respectively. Performance of the plasma jet is evaluated by surface and water sterilization. The results show that, Ar plasma jet is generated stable with double-dielectric barrier discharge. The length of plasma jet increases as the applied voltage, frequency or gas flow increased, but the plasma jet generation can be restricted in high frequency or gas flow. For E. coli in the water and surface, high sterilization efficiency is observed for a short time treatment by Ar plasma jet.

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