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A zeolite membrane was obtained by in situ crystallization of silicalite-1 from a layer of silica species prepared by the novel method of low-temperature chemical vapor deposition (LTCVD) on a porous cordierite support. The XRD and SEM analyses showed a three-layer membrane: a 3-5 μm-thick compact layer, a 45 μm-thick zeolite-in-pore layer and the support. The pure gas permeation data indicate that...
Polyacrylate-grafted polyethylene (PE-g-AA) membranes were studied in pervaporation. The membrane performances are improved by an increase in the acrylic grafting ratio. The water and ethanol sorption and diffusion properties in the membrane loaded with different counter-ions, as well as the interactions between the solvent and the membrane ion pairs, were measured. The results show that the ion pairs...
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