ZrO2 and TiO2 membranes for nanofiltration and pervaporation Part 1. Preparation and characterization of a corrosion-resistant ZrO2 nanofiltration membrane with a MWCO < 300
作者： Tim Van Gestel , Henk Kruidhof , Dave H.A. Blank , Henny J.M. Bouwmeester
DOI: 10.1016/J.MEMSCI.2006.07.020
关键词: Pervaporation 、 Aqueous solution 、 Ceramic membrane 、 Materials science 、 Chromatography 、 Microporous material 、 Mesoporous material 、 Nanofiltration 、 Membrane 、 Chemical engineering 、 Corrosion
摘要: This paper reports the sol–gel preparation and subsequent characterization of ceramic multilayer membranes, comprising a mesoporous -Al2O3 or ZrO2 interlayer microporous toplayer. The optimized membranes show molecular weight cut-off (MWCO) 200–300 in standard nanofiltration tests after firing toplayer at 400 ◦C. For all-ZrO2 membrane, detailed study was made its corrosion behaviour. PEGretention, MWCO permeability were studied dynamic using aqueous solutions both low high pH values. Long-term (4 weeks) successive values 2, 13 1 demonstrated no significant loss performance for showing range 200–300.
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