title: Total oxidation of naphthalene with high selectivity using a ceria catalyst prepared by a combustion method employing ethylene glycol.
abstract: During the catalytic combustion of naphthalene, compounds other than CO(2) are often obtained. These products, as polymerized polycyclic aromatic hydrocarbons, oxygenated aromatic compounds and benzene derivate compounds, are usually more toxic than naphthalene. At the present work it is shown a nanocrystalline cerium oxide prepared by a combustion method employing a proper ethylene glycol concentration that exhibits very high activity in the decomposition of naphthalene in the presence of air and, most importantly, a selectivity value towards CO(2) of 100% for any range of conversions and/or temperatures used. In addition, it has been demonstrated that the amount of ethylene glycol employed in the synthesis of the catalyst is determinant to achieve the optimal catalytic performance. The catalytic results have been explained in terms of the amount of cerium oxide defects.
authors: Instituto de Carboquímica, C/Miguel Luesma, 50018 Zaragoza, Spain.
authors: Asunción
authors: A
authors: Aranda
authors: José M
authors: JM
authors: López
authors: Ramón
authors: R
authors: Murillo
authors: Ana M
authors: AM
authors: Mastral
authors: Ana
authors: A
authors: Dejoz
authors: Isabel
authors: I
authors: Vázquez
authors: Benjamin
authors: B
authors: Solsona
authors: Stuart H
authors: SH
authors: Taylor
authors: Tomás
authors: T
authors: García
mesh_terms: D000388:Air; D000393:Air Pollutants / Q000737:chemistry; D002245:Carbon Dioxide / Q000737:chemistry; D002384:Catalysis; D003460:Crystallization; D019855:Ethylene Glycol / Q000737:chemistry*; D005740:Gases; D008855:Microscopy, Electron, Scanning / Q000379:methods; D053758:Nanoparticles; D009281:Naphthalenes / Q000737:chemistry*; D010100:Oxygen / Q000737:chemistry*; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: D000393:Air Pollutants; D005740:Gases; D009281:Naphthalenes; D002245:Carbon Dioxide; C031721:naphthalene; D019855:Ethylene Glycol; D010100:Oxygen