Time optimal start-up strategies for reactive distillation columns

被引：42

作者：

Reepmeyer, F ^{[1
]}

Repke, JU ^{[1
]}

Wozny, G ^{[1
]}

机构：

[1] Tech Univ Berlin, Dept Proc Dynam & Operat, D-10623 Berlin, Germany

来源：

CHEMICAL ENGINEERING SCIENCE | 2004年 / 59卷 / 20期

关键词：

reactive distillation; start-up; dynamic simulation; ethyl acetate; transesterification;

D O I：

10.1016/j.ces.2004.06.029

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this contribution, a rigorous process model to simulate the start-up of a cold and empty reactive distillation (RD) column is developed and experimentally validated with a transesterification process. Strategies for time optimal start-up of an RD column are presented. The mostly used strategy for conventional distillation of total reflux for RD is only recommendable with limitations. New, alternative strategies, like the recycling of the off-spec bottom and top product or the initial charging with product, to minimize the necessary start-up time are presented. Suitable strategies can save up to 82% of the needed time for the column start-up. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：4339 / 4347

页数：9

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