Decolorization of an azo dye Orange G in aqueous solution by Fenton oxidation process: Effect of system parameters and kinetic study

• Published in: Journal of hazardous materials Vol. 161; no. 2; pp. 1052 - 1057
• Main Authors: Sun, Sheng-Peng, Li, Cheng-Jie, Sun, Jian-Hui, Shi, Shao-Hui, Fan, Mao-Hong, Zhou, Qi
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 30.01.2009; Elsevier
• Subjects: Applied sciences; Azo Compounds - chemistry; Azo dye; Chemical engineering; Chlorides - chemistry; Coloring Agents - chemistry; Exact sciences and technology; Fenton's reaction; General purification processes; Hydrogen Peroxide - chemistry; Hydrogen-Ion Concentration; Hydroxyl radical; Ions; Iron - chemistry; Kinetic; Kinetics; Models, Chemical; Orange G; Oxygen - chemistry; Pollution; Pressure; Reactors; Spectrophotometry, Ultraviolet; Temperature; Time Factors; Wastewaters; Water treatment and pollution; Fenton's reaction; Orange G; Kinetic; Azo dye; Hydroxyl radical; Second order; Discoloration; Hydrogen peroxide; Operating conditions; Waste water; Chlorides; Hydroxyl radicals; pH; Fenton reaction; Physicochemical purification; Oxidation; Kinetics; Aqueous solution; Thermodynamic properties; Activation energy

To establish cost-efficient operating conditions for potential application of Fenton oxidation process to treat wastewater containing an azo dye Orange G (OG), some important operating parameters such as pH value of solutions, dosages of H 2O 2 and Fe 2+, temperature, presence/absence of chloride io...