Simulation and optimization of fixed bed solid acid catalyzed isobutane/2-butene alkylation process

Simulation and optimization of fixed bed solid acid catalyzed isobutane/2-butene alkylation process Fuel 216 (2018) 686–696 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Simulation and optimization of fixed bed solid acid catalyzed isobutane/2- butene alkylation process You Li, Ruixia Liu, Guoying Zhao, Zhimao Zhou, Junping Zhang, Chunyan Shi, Xiaomin Liu, Xiangping Zhang, Suojiang Zhang Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The isobutane/2-butene alkylation process using fixed bed arrays as reactors and β-zeolite as the catalyst is Solid acid catalyzed alkylation simulated and analyzed. By employing the Lagrange’s method, numerical problems that originate from nonlinear Fixed bed reactions and Eulerian girds are neutralized. Sensitivity of operating parameters on process performance are Non-linear reaction discussed, such as paraffin/olefine ratio, alkylate reflux ratio and liquid velocity. It is found that larger paraffin/ Lagrange’s method olefine is required for greater olefine to alkylate selectiviy. And alkylate reflux is also necessary to save energy Process optimization cost in the distillation operations. Alternative configurations such as multiple inlet points and radical bed are discussed. To determine the optimal operating parameters, a techno-economical model is established and op- timized. In the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

Simulation and optimization of fixed bed solid acid catalyzed isobutane/2-butene alkylation process

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2017.12.050
Publisher site
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Abstract

Fuel 216 (2018) 686–696 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Simulation and optimization of fixed bed solid acid catalyzed isobutane/2- butene alkylation process You Li, Ruixia Liu, Guoying Zhao, Zhimao Zhou, Junping Zhang, Chunyan Shi, Xiaomin Liu, Xiangping Zhang, Suojiang Zhang Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The isobutane/2-butene alkylation process using fixed bed arrays as reactors and β-zeolite as the catalyst is Solid acid catalyzed alkylation simulated and analyzed. By employing the Lagrange’s method, numerical problems that originate from nonlinear Fixed bed reactions and Eulerian girds are neutralized. Sensitivity of operating parameters on process performance are Non-linear reaction discussed, such as paraffin/olefine ratio, alkylate reflux ratio and liquid velocity. It is found that larger paraffin/ Lagrange’s method olefine is required for greater olefine to alkylate selectiviy. And alkylate reflux is also necessary to save energy Process optimization cost in the distillation operations. Alternative configurations such as multiple inlet points and radical bed are discussed. To determine the optimal operating parameters, a techno-economical model is established and op- timized. In the

Journal

FuelElsevier

Published: Mar 15, 2018

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