期刊
RADIATION PHYSICS AND CHEMISTRY
卷 81, 期 6, 页码 686-692出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2012.02.011
关键词
Electron beam; Styrene; Absorbed dose; By-product; Hydroxyl radical
资金
- Korea Ministry of Education
- Korean Ministry of Environment
- Seoul Scholarship Foundation
In this research, the absorbed dose, background gases, relative humidity, and initial concentrations were selected as control factors to discover decomposition characteristics of styrene using electron beam irradiation. It was confirmed that a considerable amount of styrene was removed by primary electrons as well as radicals and ions, which were produced after the electron beam irradiation. Moreover, the removal efficiencies of styrene were observed to rise when the initial concentration was lower, moisture content was higher, and the absorbed dose increased. For instance, 50 ppmv styrene showed extremely high removal efficiency (over 98%) at a condition of 2.5 kGy. A small amount of styrene oxide, benzaldehyde. aerosol, CO, and CO2 were produced as by-products after EB irradiation. (C) 2012 Elsevier Ltd. All rights reserved.
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