A formulation methodology for multicomponent distillation sequences based on stochastic optimization

FeiWang; Yiqing Luo; Xigang Yuan

doi:10.1016/j.cjche.2016.04.046

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A formulation methodology for multicomponent distillation sequences based on stochastic optimization

Process Systems Engineering and Process Safety | Updated：2026-01-06

- A formulation methodology for multicomponent distillation sequences based on stochastic optimization
- A formulation methodology for multicomponent distillation sequences based on stochastic optimization
- 中国化学工程学报（英文版） 2016年24卷第9期页码：1229-1235
- Affiliations：
  
  1. Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
  2. State Key Laboratory of Chemical Engineering, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.04.046
  中图分类号： 10.1016/j.cjche.2016.04.046
- 纸质出版：2016
- Accepted：
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FeiWang, Yiqing Luo, Xigang Yuan. A formulation methodology for multicomponent distillation sequences based on stochastic optimization[J]. 中国化学工程学报（英文版）, 2016,24(9):1229-1235.

FeiWang, Yiqing Luo, Xigang Yuan. A formulation methodology for multicomponent distillation sequences based on stochastic optimization[J]. , 2016, 24(9): 1229-1235.
FeiWang, Yiqing Luo, Xigang Yuan. A formulation methodology for multicomponent distillation sequences based on stochastic optimization[J]. 中国化学工程学报（英文版）, 2016,24(9):1229-1235. DOI： 10.1016/j.cjche.2016.04.046.

FeiWang, Yiqing Luo, Xigang Yuan. A formulation methodology for multicomponent distillation sequences based on stochastic optimization[J]. , 2016, 24(9): 1229-1235. DOI： 10.1016/j.cjche.2016.04.046.

摘要

中图分类号:

Abstract

Based on stochastic optimization strategy

a formulation methodology is proposed for synthesizing distillation column sequences

allowing more than one middle component as the distributing components between a pair of key components in the non-sharp split. In order to represent and manipulate the distillation configuration structures

a new coding procedure is proposed in the form of one-dimensional array. Theoretically

an array can represent any kind of split (non-sharp and sharp).With the application of a binary sort tree approach

a robust flow sheet encoding and decoding procedure is developed so that the problem formulation and solution becomes tractable. In this paper

the synthesis problem is formulated as a mixed-integer nonlinear programming (MINLP) problem and an improved simulated annealing approach is adopted to solve the optimization problem. Besides

a shortcut method is applied to the evaluation of all required design parameters as well as the total function.

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