- 4:55 PM

A Study of the Effects on Dissolution Constants and Activation Energy in a Stirred Tank

Gustavo Adolfo Orozco1, Fabio Enrique Fajardo2, and Clara Tatiana González2. (1) Department of Chemical Engineering, Universidad de los Andes, Carrera 1 #18A-10 ML 787, Bogotá, Colombia, (2) Physics, Universidad Nacional de Colombia, Calle 45 # 30-00, Bogota, Colombia

It is studied the effects of the agitation velocity and three different geometries of agitators on the dissolution constant and the activation energy of solids with spherical geometry in a particular solvent. Subsequently, the temperature was varied in order to determine the effect of the two variables studied. It was found that the dissolution constants follows the Hixson-Crowell model and also that the activation energy is a function of the agitator's velocity and independent of its geometry.