Temperature vs. time sequences to palliate deactivation in parallel and in series-parallel with the main reaction: parametric study

The Chemical Engineering Journal Pub Date : 1993-06-01 DOI:10.1016/0300-9467(93)80027-L

A.G. Gayubo, J.M. Arandes, A.T. Aguayo, M. Olazar, J. Bilbao

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引用次数: 4

Abstract

The calculation of temperature vs. time sequences to palliate catalyst deactivation in an integral reactor has been studied either by maintaining constant the conversion at the reactor outlet in a simple reaction or by maintaining constant the concentration of a given component at the outlet in a complex reaction system. The experimental systems studied, which are a simple one (dehydration of 2-ethylhexanol) and a complex one (isomerization of cis-butene), have kinetic models of the Langmuir-Hinshelwood-Hougen-Watson type for the main reaction and deactivation, with deactivation by coke dependent on the concentration of the reaction components. In the reaction of dehydration of 2-ethylhexanol deactivation occurs in parallel with the main reaction and in the isomerization of cis-butene deactivation occurs in series-parallel with the main reaction. A parametric study has been carried out for both reaction systems. The sequences calculated have been experimentally proven in an automated reaction apparatus.

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与主反应平行或串联平行的温度与时间序列缓和失活:参数化研究

通过在简单反应中保持反应器出口的转化率恒定或在复杂反应系统中保持出口给定组分的浓度恒定，研究了在整体反应器中减轻催化剂失活的温度与时间序列的计算。所研究的实验体系有一个简单的(2-乙基己醇脱水)和一个复杂的(顺丁烯异构化)，主反应和失活的动力学模型为Langmuir-Hinshelwood-Hougen-Watson型，焦炭的失活取决于反应组分的浓度。在2-乙基己醇脱水反应中与主反应平行失活，在顺丁烯异构化反应中与主反应平行失活。对两种反应体系进行了参数化研究。所计算的序列已在自动反应装置上进行了实验验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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