title: Kinetics of 2,6-dimethylaniline oxidation by various Fenton processes.
abstract: The kinetics of 2,6-dimethylaniline degradation by Fenton process, electro-Fenton process and photoelectro-Fenton process was investigated. This study attempted to eliminate the potential interferences from intermediates by making a kinetics comparison of Fenton, electro-Fenton and photoelectro-Fenton methods through use initial rate techniques during the first 10 min of the reaction. Exactly how the initial concentration of 2,6-dimethylaniline, ferrous ions and hydrogen peroxide affects 2,6-dimethylaniline degradation was also examined. Experimental results indicate that the 2,6-dimethylaniline degradation in the photoelectro-Fenton process is superior to the ordinary Fenton and electro-Fenton processes. Additionally, for 100% removal of 1mM 2,6-dimethylaniline, the supplementation of 1mM of ferrous ion, 20mM of hydrogen peroxide, current density at 15.89 A m(-2) and 12 UVA lamps at pH 2 was necessary. The overall rate equations for 2,6-dimethylaniline degradation by Fenton, electro-Fenton and photoelectro-Fenton processes were proposed as well.
authors.affiliation: Department of Interdisciplinary Programs in Environmental Science, Graduate School, Chulalongkorn University, Bangkok, Thailand.
authors.forename: Nalinrut
authors.initials: N
authors.lastname: Masomboon
authors.forename: Chavalit
authors.initials: C
authors.lastname: Ratanatamskul
authors.forename: Ming-Chun
authors.initials: MC
authors.lastname: Lu
mesh_terms: D000814:Aniline Compounds / Q000737:chemistry*; D006861:Hydrogen Peroxide / Q000737:chemistry*; D007501:Iron / Q000737:chemistry*; D007700:Kinetics; D010084:Oxidation-Reduction
chemical_list: D000814:Aniline Compounds; C045076:Fenton's reagent; C007766:2,6-xylidine; D006861:Hydrogen Peroxide; D007501:Iron