无水乙醇制备的研究进展

Progress in manufacture of anhydrous ethanol

介绍了采用精馏法、分子筛分离法、膜分离法和作物吸附法制备无水乙醇的方法及其近年来无水乙醇制备的新进展。评述了这些方法的优缺点,并且指出如何改进产品质量和降低生产的能耗。最后,展望了无水乙醇制备的发展前景,同时对我国无水乙醇研究与开发提出了一些建议。

The following dehydration techniques of ethanol: distillation, molecular sieve separation, membrane separation and corn adsorption are mainly concerned. Recent application progress of ethanol dehydration is introduced at the same time. Characteristics, advantages and disadvantages are explained, and it is pointed out how to improve the product quality and lower the energy consumption. Finally, promising application fields and expected development are predicted, some suggestions for research and development of anhydrous ethanol in China are also put forward.