title: Influence of nitrogen excited species on the destruction of naphthalene in nitrogen and air using surface dielectric barrier discharge.
abstract: The destruction of naphthalene, as representative polycyclic aromatic hydrocarbons, by surface dielectric barrier discharge is investigated in air as well as dry and humidified nitrogen at ambient temperature. Naphthalene destruction efficiency is evaluated in terms of chemical change vis-a-vis energy utilization. The detected byproducts are qualitatively evaluated in order to understand the role of the active species in the destruction process. The results show that the destruction efficiency and the energy efficiency are higher in the dry nitrogen than in the humidified nitrogen, and these decrease with the increase of the humidity. Measured concentration of ozone as a byproduct qualitatively indicates the roles of oxygen and ozone in the destruction process in air. The analysis of the aerosol particles formed during the destruction process, both in the dry and humidified nitrogen, confirmed the adverse effects of the humidity on the byproducts formation and subsequently on the destruction process.
authors.affiliation: Department of Chemical and Material Engineering, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
authors.forename: Ayman A
authors.initials: AA
authors.lastname: Abdelaziz
authors.forename: Takafumi
authors.initials: T
authors.lastname: Seto
authors.forename: M
authors.initials: M
authors.lastname: Abdel-Salam
authors.forename: Yoshio
authors.initials: Y
authors.lastname: Otani
mesh_terms: D000393:Air Pollutants / Q000737:chemistry*; D009281:Naphthalenes / Q000737:chemistry*; D009584:Nitrogen / Q000737:chemistry*; D026361:Reactive Nitrogen Species / Q000737:chemistry*
chemical_list: D000393:Air Pollutants; D009281:Naphthalenes; D026361:Reactive Nitrogen Species; C031721:naphthalene; D009584:Nitrogen