Res. Chem. Intermed.
, Vol. 34, Nos 8–9, pp. 863–870 (2008)
Koninklijke Brill NV, Leiden, 2008.
Also available online - www.brill.nl/rci
Novel hybrid technology for VOC control using an electron
beam and catalyst
, KI-JOON KIM
, JO-CHUN KIM
, KI-HYUNG KIM
, YOUNG SUNWOO
and YOUNG-KWON PARK
Department of Earth and Environmental Sciences, Sejong University, Kun Ja Dong, Kwang Jin
Goo, Seoul, South Korea
Department of Environmental Engineering, Konkuk University, Hwayang Dong, Kwan Jin Goo,
Seoul, South Korea
Department of Advanced Technology Fusion, Kaskule University, Hwayang Dong, Kwan Jin Goo,
Seoul, South Korea
Faculty of Environmental Engineering, University of Seoul, 90 Jeonnong-dong,
Dongdaemun-gu, Seoul, South Korea
Received 9 July 2007; accepted 29 August 2007
Abstract—Noble (Pt, Pd) and transition metals (Mn, Cu) were employed as coupling catalysts to
evaluate the toluene (1500 ppm C of initial concentration) removal efﬁciencies in the electron beam
(EB)–catalyst coupling system. The toluene removal efﬁciency was 60.1% in the EB-only system at
a dose of 8.7 kGy. In the presence of the metal catalysts (Pt, Pd, Cu and Mn), the removal efﬁciency
was enhanced by 37, 33, 6 and 22%, respectively, compared to that of EB-only treatment. It was found
that the selectivity to CO
with Pt and Pd coupling were relatively higher than those of Cu and Mn.
Especially the CO
selectivity of EB–Pt coupling was signiﬁcantly high at a relatively low absorbed
dose. The removal efﬁciencies were compared for loading of catalyst and there was no signiﬁcant
difference among 0.1, 0.5 and 1.0 wt%.
Keywords: Electron beam; catalyst; coupling; Pt; VOC.
Volatile organic compounds (VOCs) have been well documented as one of the
most important ozone (O
) precursors. Many countries raise concerns about
VOCs as they have adverse effects on human health as carcinogenic and toxic
substances [1, 2].
Electron beam (EB) technology for the decomposition of VOCs has been widely
investigated in many advanced countries. The method of VOC removal by EB irra-
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