The process for concentrating natural vitamin E in the dual-column continuous countercurrent supercritical extraction is studied.
探讨了双塔连续逆流操作的超临界萃取和浓缩天然维生素E的工艺路线。
The study on hydrodynamics and mass transfer performance is carried out in a 25 mm diameter continuous countercurrent supercritical fluid extraction spray column.
建立了描述连续逆流超临界流体喷淋萃取塔的流体力学关联式，根据双膜理论，建立了用于计算液相总体积传质系数的质量传递模型。
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