Magnitude of effect of reaction parameters on 2-chlorophenol decompositionby ultrasonic process

In the present work, decomposition of o-chlorophenol (2-cp) was carried out using an ultrasonic process. The extent of 2-cp decomposition depends on s everal parameters such as ultrasound wave energy (ultrasonic amplitude), ad dition of hydrogen peroxide (H2O2), pH value (H+ concentration), ionic stre ngth, and initial concentration of 2-cp. The experimental results showed th at the decomposition of 2-cp was affected by the various reaction condition s. The profiles of 2-cp decomposition fitted well with the first-order kine tic equation. A linear relationship was obtained between the rate constants of 2-cp decomposition and the varying reaction parameters. The magnitude o f effect of reaction parameters such as ultrasonic amplitude, H+ concentrat ion, ionic strength, H2O2 and 2-cp initial concentration on 2-cp decomposit ion were 0.60, 0,48, 0.19, 0.09 and -0.06, respectively. (C) 1999 Elsevier Science B.V. All rights reserved.