期刊
THIN SOLID FILMS
卷 516, 期 13, 页码 4423-4429出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2007.10.015
关键词
benzene; corona discharge; decomposition characteristics; infrared absorption spectroscopy; hazardous air pollutants
We investigated the decomposition characteristics of benzene in a positive DC corona discharge between multineedle and plane electrodes with a background gas of nitrogen-oxygen mixture at atmospheric pressure. We obtained C2H2, HCN, HCOOH, CO and CO2 as benzene fragments and by-products, and C2H2 and HCN as minor intermediate products. Benzene was primarily converted into CO2 via CO at low oxygen concentrations (0.2%) and via CO and HCOOH at the atmospheric oxygen concentration (20%). Further, 57% and 24% of carbon atoms were deposited on the plane electrode and the discharge chamber at oxygen concentrations of 0.2% and 20%, respectively. (c) 2007 Elsevier B.V. All rights reserved.
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