KINETICS OF OLIVE OIL HYDROLYSIS IN AN ENZYME MEMBRANE REACTOR BOND GRAPH NETWORK MODEL OF REACTOR PERFORMANCE .1.

Hydrolyses of olive oil were performed in a reactor with lipase immobi lized on a laboratory ultrafiltration poliamide-6 membrane. The reacto r consisted of two circulating phases of olive oil and buffer solution . For the characterization of the reactor performance, a model of the hydrolysis process was developed. It was created by means of thermodyn amic network representation of both the chemical processes and the tra nsport of the reactants. According to an estimated bond graph network, the model is represented quantitatively by a set of thirty-three diff erential equations representing the time derivatives of the particular species concentration. The parameters of the model were estimated bas ed on experimental data and/or literature notations. Close agreement o f numerical estimations of the product concentrations with experimenta l data was gained. The model enabled an extended analysis of the influ ence of different reaction parameters, enzyme inhibition and concentra tion of the reactants on reactor performance.