Equilibrium relationships for non-equilibrium chemical dependencies

被引：38

作者：

Yablonsky, G. S. ^{[1
,2
]}

Constales, D. ^{[3
]}

Marin, G. B. ^{[4
]}

机构：

[1] St Louis Univ, Dept Chem, Parks Coll, St Louis, MO 63103 USA

[2] Langmuir Res Inst, Lake St Louis, MO 63367 USA

[3] Univ Ghent, Dept Math Anal, B-9000 Ghent, Belgium

[4] Univ Ghent, Chem Technol Lab, B-9000 Ghent, Belgium

来源：

CHEMICAL ENGINEERING SCIENCE | 2011年 / 66卷 / 01期

关键词：

Kinetics Transient response; Thermodynamics process; Batch Time invariants; Detailed equilibrium;

D O I：

10.1016/j.ces.2010.10.014

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

It is shown that equilibrium constants determine the time-dependent behavior of particular ratios of concentrations for any system of reversible first-order reactions. Indeed, some special ratios actually coincide with the equilibrium constant at any moment in time. This is established for batch reactors, and similar relations hold for steady-state plug-flow reactors, replacing astronomic time by residence time. Such relationships can be termed time invariants of chemical kinetics. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：111 / 114

页数：4

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