The development and design of climbing film process producing 73 wt% flake caustic soda from 45 wt% diaphragm caustic soda are discussed.

• 介绍了国内73%25碱生产现状和升膜工艺情况,对以45%25隔膜碱生产73%25片碱的升膜蒸发工艺开发设计进行了探讨。