Electron Beam Treatment Of VOCs In Air
Author(s)
K. Hirota, T. Hakoda & S. Hashimoto
Abstract
Electron-beam treatment was carried out for volatile organic compounds (VOCs)
in air. The treated VOCs were xylene, chlorobenzene, butylacetate, chloroethene,
and carbon tetrachloride. The treatment showed that an absorbed dose of 10 kGy
gave more than 80% decomposition of 20 ppm xylene. Approximately 60%
decomposition rate was obtained when 20 ppm chlorobenzene was irradiated to
the same dose. The decomposition of aromatics initiated with reactions with OH
radicals and produced gaseous fragmentations and particles. The gaseous
fragmentations were identified to be oxygenates, such as carboxylic acids and
esters, CO, and CO2. The particles contained R-O-NO2 group, which had low-
vapor-pressure. On the other hand, butylacetate and carbon tetrachloride required
more energy to decompose. They
Keywords
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