Improvement is made on evaporation and concentration technology of saponification waste alkali liquor: exterior heating inner pipe boiling rising membrane evaporator is innovated into an exterior heating boiling forcefully recycling evaporator ,and an eva
Improvement is made on evaporation and concentration technology of saponification waste alkali liquor: exterior heating inner pipe boiling rising membrane evaporator is innovated into an exterior heating boiling forcefully recycling evaporator ,and an eva
对皂化废碱液蒸发浓缩技术进行了改进：将外加热式管内沸腾升膜蒸发器改造为外加热式管外沸腾强制循环蒸发器，并在皂化废碱液中添加蒸发助剂。