vacuum steam distillation

基本解释

A vacuum is also used on the condensers of our steam turbines, in our distillation processes, and in our refrigeration processes.
真空用于汽轮机的冷凝器，蒸馏技术和制冷处理。
blog.sina.com.cn
If you enable a suitable heated water into the vacuum or near vacuum distillation unit, it will rapidly evaporate in an instant steam.
如果使适当加温的海水，进入真空或接近真空的蒸馏室，便会在瞬间急速蒸发为蒸汽。
szzxwh.com
Dimethyldiallylammonium chloride(DM)was synthesized. Proper purification processes, namely vacuum distillation, steam distillation and active carbon adsorption, were proposed to obtain high purity DM.
通过两步法合成了高纯度氯化二甲基二烯丙基铵（DM），提出适宜DM提纯的流程为减压蒸馏、水蒸气蒸馏、活性炭吸附。