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Study on the acetylene hydrogenation process for ethylene production: simulation, modification, and optimization
, Article Chemical Engineering Communications ; Volume 200, Issue 7 , Mar , 2013 , Pages 863-877 ; 00986445 (ISSN) ; Zolfaghari Sharak, A ; Mousavi, S. A ; Bakhtiari Ziabari, F ; Shariati, J ; Azizi, S ; Sharif University of Technology
2013
Abstract
In this study, an industrial acetylene hydrogenation unit is simulated utilizing three available kinetic models. The results are compared against six-day experimental data and the best model is selected. Effects of feed temperature and the amount of injected hydrogen on ethylene selectivity are also studied. According to the simulation results, the unit is not working under its optimum conditions. Furthermore, by reduction of the hydrogen flow rate to 52 kg/h, process selectivity is increased. In addition, a new approach is proposed to modify the hydrogenation process and reduce undesired by-products. In the simulation of the modified process, hydrogenation reactors temperature, hydrogen...