Ozonation of Model Compounds in Stirred Tank Reactor L.A. Fernández, C. Alvarez, D. Jardines, P. Alvarez(1), Ch. Baluja. Ozone Research Center, Cuba. 1 - Chemical Engineering and Energetic Deparment. Extremadura University, Badajoz Spain. The reaction of ozone with water solutions of cinnamic and crotonic acids in a 1 500 mL stirred tank reactor has been studied under different conditions of pH, temperature and concentration of reactant. The mass transfer study has been focused from the point of view of the film theory. The kinetic regime of absorption was found to be fast. In both systems, secondary reactions of the products with ozone, as well as the ozone radical decomposition at pH 7 were detected. Source: 2nd International Symposium on Ozone Applications Havana, Cuba - Mach 24-26, 1997.