Preparation of titanosilicate ETS-10 and vanadosilicate AM-6 membranes


Pure titanosilicate (ETS-10) and vanadosilicate (AM-6) membranes were synthesized on ceramic tubular supports by seeded hydrothermal synthesis. The membranes have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and temperature programmed permeation (TPP) to measure the single gas permeances showing activated flow. At ambient temperature, the membranes exhibit promising propylene/propane separation factors (between 3.8–6.5 for ETS-10 membrane and about 2.3 for AM-6 membranes.


Tiscornia I, Lin Z, Rocha J, Téllez C, Coronas J

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