The dissolution heat,the mixing heat and the solvation energy of terephthalic acid in aqueous acetic acid solution were estimated by using the experimental solubility data.

• 应用实验得到的溶解度数据估算了对苯二甲酸的溶解热、混和热、活度系数、溶剂化平衡常数和溶剂化过程中氢键的生成焓,为对苯二甲酸的工业生产提供了热力学数据。