Plantwide Design of Biodiesel Production by Simultaneous Esterification and Transesterification over Solid Acid Catalyst
Date Issued
2009
Date
2009
Author(s)
Kuo, Zi-Liang
Abstract
Based-on rigorous thermodynamics and kinetics data, this work utilize UNIQUAC-RK activity coefficient equation and Eley-Rideal kinetics model to calculate the thermodynamic equilibrium and reactions rate more precisely.erify the possibility of decreasing the molar ratio of methanol to oil (FR) as well as the amount of catalyst needed by designing the reaction system with internal recycle of glycerol phase then. The results show that FR lowers down more than 20% when reaction systems designed properly, and it corresponds to lower amount of catalyst needed as well.he last section is to compare the conventional and the proposed systems, including the process which allows esterification and transesterification to be carried out simultaneously. The simulation results show that 12% saving of total annual cost (TAC ) by designing the systems with internal recycle of glycerol phase. And the design of simultaneous esterification and transesterification reactions is feasible. Moreover, with cheaper resource of oil utilized, the minimum TAC is expected.
Subjects
Heterogeneous biodiesel production
Reactor design
Process design
Type
thesis
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