The dependence of VMD performances on the membrane material and membrane pore sizes resulted mostly from different oxidation ability of hexavalent chromium and trivalent chromium.

• 详细考察了两种膜材料在减压膜蒸馏技术分离含铬溶液过程中的应用性能，发现由于溶液中六价铬和三价铬的氧化性不同，从而对膜材料和膜孔径的要求也有所不同；