Solubilities of Isophthalic Acid in Acetic Acid+Water Solvent Mixtures

成有为; 霍磊; 李希

doi:10.1016/S1004-9541(13)60520-0

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Solubilities of Isophthalic Acid in Acetic Acid+Water Solvent Mixtures

化工热力学 | Updated：2026-01-06

- Solubilities of Isophthalic Acid in Acetic Acid+Water Solvent Mixtures
- Chinese Journal of Chemical Engineering Vol. 21, Issue 7, Pages: 754-7581004-954160520-0(2013)
- Affiliations：
  
  Department of Chemical and Biochemical Engineering, Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60520-0
  CLC：
- Published：2013
- Accepted：
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CHENG Youwei, HUO Lei, LI Xi . Solubilities of Isophthalic Acid in Acetic Acid+Water Solvent Mixtures[J]. Chin.J.Chem.Eng., 2013, 21(7): 754-758.
DOI：

CHENG Youwei, HUO Lei, LI Xi . Solubilities of Isophthalic Acid in Acetic Acid+Water Solvent Mixtures[J]. Chin.J.Chem.Eng., 2013, 21(7): 754-758. DOI： 10.1016/S1004-9541(13)60520-0.

摘要

Abstract

The solubilities of isophthalic acid (1) in binary acetic acid (2)+water (3) solvent mixtures were determined in a pressurized vessel. The temperature range was from 373.2 to 473.2K and the range of the mole fraction of acetic acid in the solvent mixtures was from x

0 to 1. A new method to measure the solubility was developed

which solved the problem of sampling at high temperature. The experimental results indicated that within the temperature range studied

the solubilities of isophthalic acid in all mixtures showed an increasing trend with increasing temperature. The experimental solubilities were correlated by the Buchowski equation

and the calculate results showed good agreement with the experimental solubilities. Furthermore

the mixed solvent systems were found to exhibit a maximum solubility effect on the solubility

which may be attributed to the intermolecular association between the solute and the solvent mixture. The maximum solubility effect was well modeled by the modified Wilson equation.

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