Optimization Aspects for Reactive Batch Distillation

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概要

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• The optimal operation problem of a reactive batch distillation column is solved for various types of models and also for different objective functions. As the base case a detailed model, including a dynamic energy balance, is developed for the process producing ethyl acetate. The reflux ratio and the heat duty are selected as the variables to be optimized and are assumed to be piecewise constant. First, the effect of the number of piecewise constant time periods on the value of the objective function is investigated. The result indicates that the performance is considerably improved with an increase in the number of time periods. The optimization results, evaluating the effect of the reaction on the trays, show that, compared with the case where the reaction occurs only in the reboiler, the reaction of the trays sometimes has a negative impact on the progress of the reaction. The results obtained from the models of different preciseness show that the assumptions of an algebraic energy balance sometimes overestimate the performance of the column. The effects of the holdup dynamics, the type of objective function, and the non-ideality of the VLE model are also discussed by comparing various optimization results.

• 社団法人 化学工学会の論文

著者

• HASHIMOTO Iori

  Department of Chemical Engineering, Kyoto University

• Hasebe Shinji

  Department Of Chemical Engineering Kyoto University

• Hashimoto Iori

  Department Of Chemical Engineering Kyoto University

• GIESSLER Sabine

  Department of Chemical Engineering, Kyoto University

• Giessler Sabine

  Department Of Chemical Engineering Kyoto University

関連論文

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• SA-Based Scheduling Algorithm for Increasing Probability of Selecting Promising Schedules
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• Basic Examination of a Pilot Plant for Continuous Flow Microwave-Assisted Chemical Reaction Combined with Microreactors
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• Optimization Aspects for Reactive Batch Distillation
• Dynamics and Control of Heat Integrated Distillation Column (HIDiC)
• Effect of Operation Strategy and Control Structure on Multiple Steady-States of Heat Integrated Distillation Column (HIDiC)
• Isothermal Reactor for Continuous Flow Microwave-Assisted Chemical Reaction
• Investigation of Microwave Effects on Transition Metal Catalyzed Reaction Using an Isothermal Reactor
• Investigation of Microwave Effects on Transition Metal Catalyzed Reaction Using an Isothermal Reactor
• Study of energy efficiency of a wetted-wall distillation column with internal heat integration.
• A design method for a class of robust nonlinear observers.
• General Reordering Algorithm for Scheduling of Batch Processes
• ON DESIGN MARGIN FOR PROCESS SYSTEM WITH PARAMETER UNCERTAINTY
• Analyses of the characteristics of a binary packed distillation column with internal heat integration.
• A robustness study for chemical process control.

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