公开(公告)号：US20100018926A1

公开(公告)日：2010-01-28

申请号：US12145559

申请日：2008-06-25

申请人： Chunqing Liu ,  Jaime G. Moscoso ,  Raisa Serbayeva ,  Stephen T. Wilson ,  David A. Lesch

发明人： Chunqing Liu ,  Jaime G. Moscoso ,  Raisa Serbayeva ,  Stephen T. Wilson ,  David A. Lesch

IPC分类号： B01D61/02 ,  B01D61/00 ,  B01D53/22 ,  B01D53/48 ,  B01D53/54 ,  C08K3/34 ,  C08L85/00

CPC分类号： B01D71/028 ,  B01D67/0079 ,  B01D69/148 ,  B01D2323/21 ,  B01D2323/36 ,  B01D2325/16

摘要： The present invention discloses mixed matrix membranes (MMMs) comprising ion-exchanged molecular sieves such as UZM-5 zeolite ion-exchanged with Li+ cation (Li-UZM-5) and a continuous polymer matrix and methods for making and using these membranes. These MMMs, comprising ion-exchanged molecular sieves, in the form of symmetric dense films, asymmetric flat sheets, asymmetric hollow fibers, or thin-film composites, have exhibited simultaneously increased selectivity and permeability (or permeance) over polymer-only membranes and the mixed matrix membranes made from molecular sieves that have not been ion exchanged for gas separations. These MMMs are suitable for a variety of liquid, gas, and vapor separations such as desalination of water by reverse osmosis, deep desulfurization of gasoline and diesel fuels, ethanol/water separations, pervaporation dehydration of aqueous/organic mixtures, CO2/CH4, CO2/N2, H2/CH4, O2/N2, olefin/paraffin, iso/normal paraffins separations, and other light gas mixture separations.

摘要翻译： 本发明公开了包含离子交换分子筛（例如与Li +阳离子（Li-UZM-5）离子交换的UZM-5沸石）和连续聚合物基质的混合基质膜（MMM）以及制造和使用这些膜的方法。 这些包含离子交换分子筛，以对称致密膜，不对称平板，不对称中空纤维或薄膜复合材料形式的MMM已经显示出与聚合物膜相比增加的选择性和渗透性（或渗透性），并且 由分子筛制成的未经离子交换进行气体分离的混合基质膜。 这些MMM适用于各种液体，气体和蒸汽分离，如通过反渗透脱水，汽油和柴油燃料的深度脱硫，乙醇/水分离，水/有机混合物的渗透蒸发脱水，CO 2 / CH 4，CO 2 / N2，H2 / CH4，O2 / N2，烯烃/石蜡，异/正链烷烃分离和其他轻质气体混合物分离。