Experimental analysis in different batch operating units for process intensification: methyl acetate production case study

International Journal of Industrial Chemistry

دوره 5، شماره 3، اسفند 2014، صفحه 85-93

نوع مقاله: research article

شناسه دیجیتال (DOI): https://doi.org/10.1007/s40090-014-0023-7

نویسندگان

B. Ganesh¹؛ K. Yamuna Rani^{* 1}؛ B. Satyavathi¹؛ K. S. K. Rao Patnaik²

¹Chemical Engineering Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500 007, India

²University College of Technology, Osmania University, Hyderabad, 500 007, India

چکیده

In the present study, different process intensification options in batch mode are considered for a class of reactions, and are evaluated with respect to enhancement in conversion and product purity considering methyl acetate formation reaction as an experimental case study. The options explored include operation in different batch operating units and use of different molar ratios of reactants. Integrated reaction and separation is considered in two ways, namely by simple reactive batch distillation, and by multi-stage reactive batch distillation with partial reflux. It is observed that conversions beyond equilibrium conversion are achieved by process intensification, and relatively purer products are obtained compared to the base case. The purity and conversions in the multi-stage column are found to be higher than with simple distillation. Increasing the molar ratio of methanol in the reaction feed mixture is found to yield high conversions at the expense of purity of methyl acetate in the product. The present study considers a typical case of an esterification reaction with azeotropic mixtures, and the analysis is applicable to a class of reactions satisfying the criteria mentioned.

کلیدواژه‌ها

Process intensification؛ Batch reactor؛ Reactive batch distillation؛ Simple reactive batch distillation؛ Azeotropes؛ Methyl acetate production