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| RASĀYAN - Journal Of Chemistry | RJC, Vol.4, No.3, 498-700(2011) |
DEGRADATION OF SALICYLIC ACID BY UV, UV/ H2O2, UV/O3, PHOTOFENTON PROCESSES
Authors: Susmita A. Mandavgane* and M. K. N. Yenkie
*E-mail : susmitamandavgane@rediffmail.com
The present study was used to probe the treatment of simulated wastewater containing salicylic acid by UV, UV/ H2O2, UV/O3, photofenton processes. Experiments were conducted in a batch photoreactor to examine the effects of operating variables like pH, ratio of H2O2/COD, and different combinations of oxidizing agents with UV, and their degradation rate is compared. A pseudo-first order kinetic model was adopted to represent the photo-oxidative degradation of salicylic acid. The degradation rate of salicylic acid obeys the following sequence: photoperoxone(O3/UV/ H2O2) > photofenton(UV/Fe2+/ H2O2)>photoperoxidation(UV/ H2O2) > photolysis(UV).
| Page No. : 640-647 | RJC-821/2011 |
