The experiment showed that the right amount of water added into the system could improve the selectivity of diisopropyl ether while the amount of propene in products decreased.

• 不加水时主要生成丙烯;加入适量的水有助于降低丙烯而提高异丙醚的选择性;催化活性除与酸性有关外,与杂多酸的特殊结构“假液相”模型密切相