Measurement and correlation of solid-liquid equilibrium of  diphenyl carbonate in ethanol-diethyl carbonate

LI Wenchao; XUAN Aiguo; WU Yuanxin; AI Jun; LIANG Lei

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Measurement and correlation of solid-liquid equilibrium of  diphenyl carbonate in ethanol-diethyl carbonate

更新时间：2025-12-10

- Measurement and correlation of solid-liquid equilibrium of  diphenyl carbonate in ethanol-diethyl carbonate
- CIESC Journal Issue 6, Pages: 1357-1361(2009)
- 作者机构：
  
  1. 绿色化工过程省部共建教育部重点实验室
  2. 武汉工程大学湖北省新型反应器与绿色化学工艺重点实验室
  3. 武汉市化学工程技术中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 June 2009，
  
  Published：05 June 2009
- 稿件说明：
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LI Wenchao, XUAN Aiguo, WU Yuanxin, et al. Measurement and correlation of solid-liquid equilibrium of  diphenyl carbonate in ethanol-diethyl carbonate[J]. CIESC Journal, 2009, (6): 1357-1361.
DOI：

LI Wenchao, XUAN Aiguo, WU Yuanxin, et al. Measurement and correlation of solid-liquid equilibrium of  diphenyl carbonate in ethanol-diethyl carbonate[J]. CIESC Journal, 2009, (6): 1357-1361. DOI：

摘要

采用激光法测定了碳酸二苯酯(DPC)在乙醇碳酸二乙酯(DEC)混合溶剂中的溶解度。结果表明，在283.15～333.15 K下，碳酸二苯酯在混合溶剂中的溶解度随温度的升高而增大;相同温度下，溶解度随着乙醇浓度的增大而减小。进一步选用Wilson方程和λh方程拟合DPC的溶解度，根据实验数据回归了模型参数，溶解度拟合值与实验值非常吻合，平均误差小于2.0%。计算表明Wilson方程对碳酸二苯酯-乙醇-碳酸二乙酯体系的计算精度更高些。

Abstract

The solubility of diphenyl carbonate (DPC) in ethanoldiethyl carbonate (DEC) was determined with the laserscattering methodThe results showed that the solubility of DPC in the mixed solvents always increased with rising temperature.At 283.15—333.15 K

the solubility decreased with the increase of ethanol concentrationThe experimental data were further correlated with Wilson equation and λh equation

and model parameters were regressed For the DPC- C2H5OH-DEC system

the agreement between the experimental solubilities and calculated values was satisfactoryThe mean deviation was less than 2.0%.Obviously

the correlated results using Wilson equations were superior to those obtained from λh equation.

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