Computation of heteroazeotropes. Part I: Theory

被引:15
|
作者
Tolsma, JE [1 ]
Barton, PI [1 ]
机构
[1] MIT, Dept Chem Engn, Cambridge, MA 02139 USA
基金
美国能源部;
关键词
heteroazeotropy; continuation methods; bifurcation analysis; interval arithmetic;
D O I
10.1016/S0009-2509(00)00032-4
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
This paper describes an algorithm for the computation of the homogeneous and heterogeneous azeotropes present in a multicomponent mixture. The approach (which is an extension of an approach developed by Fidkowski, Malone and Doherty (1993, Computers and Chemical Engineering, 17, 1141-1155) for the computation of homogeneous azeotropes) is independent of the representation of the nonideality of the system and the topology of the liquid-liquid region. Furthermore, the approach can be readily extended to handle any number of liquid phases in equilibrium. The second paper in this series discusses how the approach can be used to compute efficiently ganges in equilibrium structure with parameters such as pressure (i.e., the appearance and disappearance of azeotropes and heteroazeotropcs) and contains several numerical examples of the approach described in this paper. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3817 / 3834
页数:18
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