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Zeolite membrane

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... solutions at existence of other co-ions or at increased ion concentration and operating pressure was experimentally tested on a pure silicalite zeolite membrane. Water fluxes increase linearly with increase of net driving force (ΔP!ΣriRTCc,f ). Ion flux is essentially independent of th ...
Desalination 228 (2008)

... of trichloromethane/water, 1,1,2-trichloroethane/water and trichloroethylene/water. The fluxes and the separation factors through silicalite-1 zeolite membranes were strongly affected by both the feed concentration and the operating temperature which results in the fugacity changes of th ...
Desalination 246 (2009)

Separation of ions from aqueous solutions was performed by reverse osmosis (RO) on an "-alumina-supported MFI-type zeolite membrane synthesized by in-situ crystallization. For the 0.1 M chloride single-salt solutions, the separation efficiency in terms of ion rejectio ...
Desalination 170 (2004)

... do not exist. Two prominent developments which are near to a commercialization are discussed: perovskite membranes for oxygen separation and zeolite membranes for molecular sieving. 6.0 The spinning process adopted from preparing polymer hollow fibre membranes can be successfully applied to th ...
Desalination 199 (2006)

... membranes yielded a water/ethanol separation factor of 150, at a water flux of 0.2 kg/m2·h. The XRD patterns showed that mordenite was the only zeolite material present in the membrane. The influence of synthesis conditions (synthesis time and level of dilution in the synthesis gel) during th ...
Desalination 148 (2002)

The present paper reports the in situ h ydrothermal synthesis of a vanadium-containing silicalite-1 zeolite film on a tubular alumina support. In this process, metal-MFI zeolite forms at the surface and within the pores of a porous ceramic alumina... of V +4 s pecies in the silicalite-1 framework was confirmed by XRD, DSC and EPR studies. Desalination 147 (2002) 333–338 VS-1 composite membrane: preparation and characterization Adalgisa Tavolaro Research Institute on Membranes and Modelling of Chemical Reactors (CNR-IRMERC), c/o Departmen ...
Desalination 147 (2002)

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