Research and Implementation of Decreasing the Acetic Acid Consumption in Purified Terephthalic Acid Solvent System

徐圆; 朱群雄

doi:10.1016/S1004-9541(08)60136-6

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Research and Implementation of Decreasing the Acetic Acid Consumption in Purified Terephthalic Acid Solvent System

Updated：2026-01-06

- Research and Implementation of Decreasing the Acetic Acid Consumption in Purified Terephthalic Acid Solvent System
- Chinese Journal of Chemical Engineering Vol. 16, Issue 4, Pages: 650-655(2008)
- Affiliations：
  
  College of Information Science & Technology, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60136-6
  CLC：
- Published：2008
- Accepted：
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XU Yuan, ZHU Qunxiong. Research and Implementation of Decreasing the Acetic Acid Consumption in Purified Terephthalic Acid Solvent System[J]. , 2008, 16(4): 650-655.
DOI：

XU Yuan, ZHU Qunxiong. Research and Implementation of Decreasing the Acetic Acid Consumption in Purified Terephthalic Acid Solvent System[J]. , 2008, 16(4): 650-655. DOI： 10.1016/S1004-9541(08)60136-6.

摘要

Abstract

Decreasing the acetic acid consumption in purified terephthalic acid (PTA) solvent system has become a hot issue with common concern. In accordance with the technical features

the electrical conductivity is in direct proportion to the acetic acid content. General regression neural network (GRNN) is used to establish the model of electrical conductivity on the basis of mechanism analysis

and then particle swarm optimization (PSO) algorithm with the improvement of inertia weight and population diversity is proposed to regulate the operating conditions. Thus

the method of decreasing the acid loss is derived and applied to PTA solvent system in a chemical plant. Cases studies show that the precision of modeling and optimization are higher. The results also provide the optimal operating conditions

which decrease the cost and improve the profit.

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