The role of ozone in the plasma-catalytic destruction of environmental pollutants

Autor:	J. Christopher Whitehead, Kui Zhang, David J. Glover, Alice M. Harling
Rok vydání:	2009
Předmět:	inorganic chemicals chemistry.chemical_classification Pollutant Ozone Cyclohexane Process Chemistry and Technology chemistry.chemical_element Heterogeneous catalysis Oxygen Catalysis chemistry.chemical_compound Adsorption Hydrocarbon chemistry Environmental chemistry General Environmental Science
Zdroj:	Applied Catalysis B: Environmental. 90:157-161
ISSN:	0926-3373
DOI:	10.1016/j.apcatb.2009.03.005
Popis:	The destruction of low concentrations of toluene and cyclohexane in air streams using the combination of a novel multistage, non-thermal plasma reactor with either a MnO2 or a MnO2-CuO catalyst has been investigated. It is found possible to get complete destruction of the organic pollutant when the plasma and catalyst were combined. The different catalysts produced different outcomes in terms of the residual ozone in the outlet stream and the extent of oxidation to CO2. Neither of these compounds react to any measurable extent with ozone in the gas-phase nor are they decomposed by the catalyst at the temperature of the experiment. It is deduced that adsorption of ozone onto the catalyst surface and its subsequent dissociation into reactive atomic oxygen species is the key step in the heterogeneous destruction of toluene and cyclohexane.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c370cbc1850cbbd6bcb11b0ad0aeb848 https://doi.org/10.1016/j.apcatb.2009.03.005 Zobrazit plný text záznamu Full Text from ScienceDirect