南京大学学报(自然科学版) ›› 2019, Vol. 55 ›› Issue (3): 486497.doi: 10.13232/j.cnki.jnju.2019.03.016
王广辉,杨高东,周 政*,张志炳*
Wang Guanghui,Yang Gaodong,Zhou Zheng*,Zhang Zhibing*
摘要: 选用大孔阳离子交换树脂作催化剂,250 mL的三口烧瓶作为搅拌釜反应器,研究了莰烯与丙酸在不同反应条件下(搅拌速率、树脂类型、树脂含量、配比、温度、催化剂重复使用次数)对合成丙酸异龙脑酯的影响,并得到了优化的工艺条件. 采用UNIFAC基团贡献法估算活度系数,获得了不同温度下反应的平衡常数以及该反应的焓变、熵变、吉布斯自由能等热力学数据. 采用拟均相模型计算出此反应的反应速率常数及反应活化能等动力学数据. 此外,在固定床反应器上进行了对比实验,结果表明该反应在两种反应器中的效果基本相似.
中图分类号:
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