An Experimental Study on NOx Treatment in Diesel Engine Combustion Exhaust Gases by Ozone Injection and Absorption Processes

Author

Kikuchi, S. ; Ohyama, R.

Author_Institution

Dept. of Electr. Eng., Tokai Univ.

fYear

2006

fDate

15-18 Oct. 2006

Firstpage

170

Lastpage

173

Abstract

For requirements of nitric oxide (NO_x) removal process in diesel engine combustion exhaust gases, a combination process of non-thermal plasma (NTP) chemical applications with physical or chemical adsorption filter is experimentally investigated. The experiments are conducted to evaluate the NO_x removal effects of the following processes: an economical conversion process to nitrogen dioxide (NO₂) from nitric oxide (NO) molecules with injecting ozone (O₃) gas produced by a dielectric barrier type discharge equipment, and a NO₂ absorption process passed through an activated carbon filter or a hydrated lime filter for the oxidized by-products in exhaust gases. The experimental results indicate the quantitatively characterized NO_x removal processes. The effect of the presented combination process is discussed in the NO_x removal efficiency.

Keywords

air pollution control; combustion equipment; diesel engines; environmental factors; exhaust systems; nitrogen compounds; ozone; NO; NO₂; NO₂ absorption process; NO_x removal efficiency; NO_x treatment; O₃; activated carbon filter; chemical adsorption filter; dielectric barrier type discharge equipment; diesel engine combustion exhaust gases; economical conversion process; hydrated lime filter; nitric oxide removal process; nonthermal plasma chemical applications; ozone injection process; physical adsorption filter; Absorption; Chemical processes; Combustion; Dielectrics; Diesel engines; Filters; Gases; Nitrogen; Plasma applications; Plasma chemistry;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 2006 IEEE Conference on

Conference_Location

Kansas City, MO

Print_ISBN

1-4244-0546-7

Electronic_ISBN

1-4244-0547-5

Type

conf

DOI

10.1109/CEIDP.2006.312088

Filename

4105396