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A new-type of multi-layer percolation equipment was developed and utilized to extract effective component of a certain traditional Chinese medicine. Porosity and penetration rate of 100-mesh medicine powders were measured respectively. Moreover, the superiority of the performance of such equipment over single percolation method and repercolation method was studied where the total solids content in percolated fluid was utilized as the evaluation index. The results show that for 100-mesh medicine powders, porosity and penetration rate of medicine powder layer both decrease with the increase of particle layer height; total solids content in percolated fluid of 100-mesh medicine powders is high, and the new-type multi-layer percolation equipment has the best performance in the extraction of effective component in the medicine.

Research on Performance of a New-Type Percolation Equipment Used to Extract Effective Medicine Components