UV/H2O2 Oxidation: Kinetics of Dichloroacetic Acid Mineralization

C.S. ZALAZAR; M.L. LABAS; R.J. BRANDI; A.E. CASSANO

Islas Canarias, España

Congreso; 4th European Meeting on Solar Chemistry and Photocatalysis: Environmental Applications; 2006

CIDIA (ULPGC)

Dichloroacetic acid (DCA) is a pollutant that can be found in water as a byproduct of chlorine disinfection (DBPs). In addition to this, DCA can be found anywhere in nature today, because it is a metabolite of different chlorinated substances such as trichloroacetic acid, perchloroethylene and others. Conventional methods such as air stripping or adsorption by activated carbon are not good alternatives for DCA due to its high solubility in water and low vapor pressure. Thus, the combination of H2O2/UV is a suitable process for treating these types of pollutants. This work was planned to derive a mathematical model able to represent the kinetics oxidation of DCA, and validate its quality with experiments.