The filter cake of silica gel used as the carrier of polyolefine catalyst was dried by compartment drying and centrifugal spray drying respectively.

• 采用厢式干燥和离心喷雾干燥2种干燥方法,对聚烯烃催化剂用载体硅胶滤饼的干燥效果进行了比较,并研究了干燥过程对硅胶物性的影响。