According to the flows measured under different conditions and the rejection rates of the standard material-PEG, the ratios of every part of membrane resistance and the changes of characteristic of the separations of UF membranes were presented.

• 通过测定不同条件下膜样品的通量，对聚乙二醇标准物的截留率，指出在超滤黑液过程中各部分阻力的比例和超滤膜的分离特性的变化。