液-液-固三相脉冲筛板塔萃取棉仁 1.塔安全操作范围的确定

L-L-S three-phase extraction of cottonseed using a pulsed sieve column 1. determination of safe operation curve of column

确定了脉冲筛板塔在无实际萃取存在时甲醇 石油醚体系的安全操作曲线 ,认为比较安全和萃取效率较高的操作条件为持液量为 2 4 %。

The safe operation curve of a pulsed sieve plate column for methanol-petroleum ether system was determined and 24% hold up was proposed for safe and high efficient operation .