The Effect of Recycle Stream on The Selectivity and Yield of The Formation of Triacetin from Glycerol

International Conference on Industrial Technology for Sustainable Development 2017

工业技术;经济学

Mufrodi, Zahrul^1 ; Astuti, Erna^1 ; Aktawan, Agus^1 ; Purwono, Suryo^2

Department of Chemical Engineering, Universitas Ahmad Dahlan, Jl. Prof. Dr. Soepomo, S.H., Janturan, Umbul Harjo, Yogyakarta, Indonesia^1

Department of Chemical Engineering, Universitas Gadjah Mada, Jl. Grafika no 2, Yogyakarta, Indonesia^2

关键词: Biodiesel production;    Fine Chemicals;    Glycerol conversions;    Low costs;    Reactive distillations;    Recycle rate;    Recycle stream;    Triacetin;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/175/1/012013/pdf
DOI  :  10.1088/1755-1315/175/1/012013

学科分类：工业工程学

来源: IOP

【 摘 要 】

Biodiesel is an alternative fuel that recently widely used to substitute fossil fuels. Biodiesel production from vegetable oil produces glycerol as by-product which is a very promising low-cost feedstock for producing a wide variety of special and fine chemicals. One of the potential glycerol derivatives is triacetin, a promising alternative chemical to be fuel additive. In this work, triacetin was synthesized using reactive distillation with recycle stream from bottom product to increase the conversion of monoacetin became diacetin and diacetin became triacetin. The effects of using catalyst and recycle stream are evaluated. The experiments showed recycle stream made contact between reactant were better. So the selectivity and the yield increased. The optimum recycle rate is 65.5 mL/men and the results are 98.38% of glycerol conversion and 9.00% of triacetin yield.