中文摘要：

以煅烧高岭土和水玻璃为原料制备地质聚合物,采用水热合成法原位合成了自支撑八面沸石（简称FAU型）膜。利用X射线衍射、扫描电子显微镜、万能压力试验机表征了沸石膜材料的抗压强度和微观结构,通过渗透汽化实验及数学模型考察了乙醇/水混合物体系进料组成和温度对沸石膜的渗透通量以及分离因数的影响。结果表明：该沸石膜表面的晶粒细小,膜覆盖完全且连续致密;提高养护时间有利于提高地质聚合物的压缩强度,提高水热时间有利于改善FAU型沸石膜表面形貌和相组成。在进料温度为50℃、原料中乙醇的含量为70%的优化条件下,FAU型沸石膜具有较高的渗透通量和分离因数,其渗透通量和分离因数分别达到1.41kg/（hm2）和16.8。

英文摘要：

Self-supporting faujasite zeolite （FAU） membranes were synthesized by an in-situ hydrothermal growth method from geo-polymers, which were prepared with metakaolin and sodium silicate as raw materials. The crystal properties, microstructure and com-pressive strength of the membranes were analyzed by X-ray diffraction、scanning electron microscopy and universal pressure tester, respectively. The effects of feed composition and temperature on the permeation flux and separation factor of the FAU zeolite mem-brane were investigated via pervaporation （PV） experiment and mathematical model. The results show that the size of zeolite granular is small, and the membrane surface appears complete and continuous. The increase of the curing time can improve the compressive strength of geopolymers, and the increase of the hydrothermal time can enhance the phase composition of FAU zeolites. For the etha-nol content of 70%at 50℃, the permeation flux and separation factor of the FAU type zeolite membrane are 1.41 kg/（h·m2） and 16.8, respectively.