ANALYSIS OF THE LUMPED AND DISTRIBUTED OPTIMAL TEMPERATURE TRAJECTORIES FOR PACKED-BED REACTORS WITH CONCENTRATION DEPENDENT CATALYST DEACTIVATION

被引：5

作者：

GONZALEZVELASCO, JR

GUTIERREZORTIZ, MA

GUTIERREZORTIZ, JI

GONZALEZMARCOS, JA

机构：

[1] Departamento de Ingeniería Química, Facultad de Ciencias, Universidad del País Vasco, Bibao, E-48080

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 1990年 / 68卷 / 05期

关键词：

catalyst deactivation; control; distributed control; optimal control; temperature control;

D O I：

10.1002/cjce.5450680517

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Algorithms published previously by the authors for solving the problem of spatially uniform and non‐uniform temperature optimal control in tubular fixed bed reactors have been applied to three systems with series catalyst deactivation and different ratios between the activation energies of the main and deactivation reactions. The optimal temperature and conversion trajectories as well as the maximum production obtained have been compared at the same final duration of operation. Systems with slow deactivation obtain maximum production with spatially uniform control, whilst for systems with rapid deactivation the temperature trajectory distributed both in space and time improves the production obtained with lumped control. Copyright © 1990 Canadian Society for Chemical Engineering

引用

页码：860 / 866

页数：7

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