科研之友
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摘要
Application of plasma chemistry for gas cleaning is gaining prominence in recent years, mainly from an energy efficiency point of view. In this paper we conducted a comparative study of NO/NO(x) removal using two different types of dielectric barrier discharge electrodes, wire-cylinder reactor, pipe-cylinder reactor. Investigations were first carried out with synthetic gases to obtain the baseline information on the NO/NO(x) removal with respect to the two geometries studied. Further, experiments were carried out with raw diesel exhaust under loaded condition. A high NO(x) removal effciency of 90% was observed for the pipe-cylinder reactor as compared to that of 53.4% for the wire-cylinder reactor. Furthermore, for the same energy consumed per NO molecule (about 73 eV/NO molecule), the removal effciency increased from 67% for the wire-cylinder to about 98% for the pipe-cylinder which was quite appreciable.
- 出版日期2008-4
