Process Parameters Optimization of the MTBE Reactive Distillation by Orthogonal Numberical Test and Least Square Method

Wu Xiao; Yan Yan Zhou; Shou Cheng Du; Gao Hong He

doi:10.4028/www.scientific.net/AMR.550-553.947

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Effect of Adding Pump-Around Circuits and Reducing Stripping Steam Flow Rate on the Improving Energy Efficiency and Increasing Processing Capacity of the Atmospheric Column
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Effect of Adjusting Feed Thermal Conditions on the Capacity of Complex Distillation Columns
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Process Parameters Optimization of the MTBE Reactive Distillation by Orthogonal Numberical Test and Least Square Method
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The Relationship between Elemental Form of Solid Phase and COS Formation over MnO_X Desulfurization Sorbent
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Deep Desulfurization of Model Oil Using Ionic Liquid and Active Carbon Binary System
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Enhanced Adsorption of Methyl Orange on Mesoporous TiO_2-XC_X Modified by CTAB
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Process Parameters Optimization of the MTBE Reactive Distillation by Orthogonal Numberical Test and Least Square Method

Abstract:

Because of the large number of operating and equipment parameters of the reactive distillation(RD) and a strong coupling between them, it is difficult to find the optimal process parameters. A novel hybrid method on process parameters optimization of methyl tertiary butyl ether (MTBE) RD was developed in the paper. MTBE RD process was firstly simulated with Aspen Plus. Then based on the MTBE RD model, sensitivity analysis of various parameters was accomplished to determine the key decision parameters. After that, the orthogonal numerical tests were performed in feasible fields to obtain nearly optimal parameters. Finally, with the orthogonal numerical test results, the least square method was used to regress equation, which showed the relationship between objective function and the key decision parameters, thus determining the optimal operating parameters and equipment parameters. Results of analysis indicated that the combination of orthogonal numerical test and the least square method can be attractive since the number of tests was reduced substantially while the specification of the products can be met.