Pervaporation membranes for batch processes-comparions of ceramic, zeolite on polymeric membranes

摘要

In the oleochemistry the application of pervaporation membranes for dehydration of alcohol containing mixtures seems very attractive. Also, their use in catalytic esterification processes has a number of advantages, a.o. improved yield. However, in the past polymeric membranes appeared not to work very well in this type (of (batch-wise) operation. The membranes adapt too slowly to the reaction conditions while robostness is relatively poor.