Modeling And Simulation Of Reactive Distillation For Biodiesel Production

In this thesis, theoretical investigations have been made concerning reactive distillationrncolumns. The detailed steady state modeling, and simulation are made for biodieselrnproduced by reactive distillation. This study was performed through several steps in orderrnto construct and develop an improved steady state model based on recent manner of MESHrnequations (Mass balance, Equilibrium, Summation of composition, and Heat balance) thernreaction portion added to the mass and energy balance. This model was developed to studyrnthe behavior of multi component non ideal mixture in reactive distillation. The set ofrnalgebraic equations governing steady state composition profile in a reactive distillationrncolumn are solved by using equation tearing or sequential method. The developed modelrncan be employed to simulate the reactive distillation operation. This model required the inrnadvance specification of number of reactive and non-reactive trays, the reflux ratio,rncomposition and flow rates of the feed, and heat duty to determine the result of the liquidrnand vapor composition profiles, the temperature profile and the vapor and liquid flow raternprofile. The validity of the developed steady state equilibrium model had been evaluated byrncomparing its predictions with another theoretical work. The calculations and simulationsrnin this thesis were obtained by using MATLAB environment, version 10.

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