Abstract
AbstractIn‐line monitoring of semi‐batch vinyl acetate emulsion polymerizations was performed combining heat flow and heat balance calorimetry to re‐estimate the overall heat transfer coefficient between the reactor and jacket. The initial UARJ was obtained applying a constant power through an electrical heater to the initial reactor charge. As UARJ changed during the reaction, it was re‐estimated combining the mass and energy balances of the jacket and the reactor and minimizing an objective function in terms of TJ_out. Results showed that good in‐line estimations of conversion can be performed without requiring the use of experimental conversion data to re‐estimate UARJ during the reaction. magnified image
Published Version
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