Chemical Kinetics for Synthesis of Triacetin from Biodiesel Byproduct

Zahrul Mufrodi, Sutijan, Rochmadi, Arief Budiman

Abstract


The reaction kinetic of the glycerol acetylation with acetic acid catalyzed by sulfuric acid has been studied in the frame of continuous triacetin production. Glycerol, acetic acid and sulfuric acid catalyst were reacted in a batch reactor, in order to get reaction kinetics data. The mole ratio of catalyst to glycerol and temperature were studied during the experience. This study concluded that the selectivity of triacetin increased with increase in mole ratio of catalyst to glycerol. Increasing temperatures lead to increase selectivity of triacetin. It will decreased at the time of acetic acid has begun to evaporate. Triacetin synthesis is an exothermic reaction, a higher reaction temperature will cause in shifting the balance toward formation of reactants. This needs to be anticipated by taking one of the products so that the equilibrium shifting toward product formation.


Full Text: PDF DOI: 10.5539/ijc.v4n2p101

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International Journal of Chemistry   ISSN 1916-9698 (Print)   1916-9701 (Online)

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