CIESC Journal ›› 2009, Vol. 60 ›› Issue (6): 1357-1361.
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LI Wenchao;XUAN Aiguo;WU Yuanxin; AI Jun;LIANG Lei
Online:
Published:
黎文超;宣爱国;吴元欣;艾军;梁蕾
Abstract:
The solubility of diphenyl carbonate (DPC) in ethanoldiethyl carbonate (DEC) was determined with the laserscattering methodThe 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 concentrationThe 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 satisfactoryThe mean deviation was less than 2.0%.Obviously, the correlated results using Wilson equations were superior to those obtained from λh equation.
Key words: 碳酸二苯酯, 固液平衡, 溶解度模型
碳酸二苯酯,
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。
关键词: 碳酸二苯酯, 固液平衡, 溶解度模型
LI Wenchao, XUAN Aiguo, WU Yuanxin, AI Jun, LIANG Lei. Measurement and correlation of solid-liquid equilibrium of diphenyl carbonate in ethanol-diethyl carbonate [J]. CIESC Journal, 2009, 60(6): 1357-1361.
黎文超, 宣爱国, 吴元欣, 艾军, 梁蕾. 碳酸二苯酯在乙醇-碳酸二乙酯中固液平衡的测定与关联 [J]. 化工学报, 2009, 60(6): 1357-1361.
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