Journal ArticleDOI
Synthesis of a zeolite NaA membrane for pervaporation of water/organic liquid mixtures
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This article is published in Journal of Materials Science Letters.The article was published on 1995-01-01. It has received 265 citations till now. The article focuses on the topics: Pervaporation & Sodium aluminosilicate.read more
Citations
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Journal ArticleDOI
Membranes for hydrogen separation.
Nathan W. Ockwig,Tina M. Nenoff +1 more
TL;DR: Comparing H2 versus CO2 Selective Polymeric Membranes 4103 and Disadvantages of Carbon Membrane 4098 5.2.1.
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Zeolite membranes – state of their development and perspective
TL;DR: In this article, the authors focus on composite membranes which consist of a zeolite top layer on a mesoporous ceramic or metal support, and special attention is given to supported MFI membranes.
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Zeolite membranes – Recent developments and progress
Juergen Caro,Manfred Noack +1 more
TL;DR: The remarkable progress made in the preparation and characterization of zeolite membranes during the last few years has stimulated several industrial R&D projects exploiting the shape-selectivity of ZO membranes in mass separation as mentioned in this paper.
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Fundamentals and applications of pervaporation through zeolite membranes
TL;DR: In this article, the fundamental aspects of separations by pervaporation through zeolite membranes are reviewed, and examples of the selectivities and fluxes obtained are presented, including the effects of coverage, competitive adsorption, heat of adaption, molecular sizes, temperature, membrane structure, non-zeolite pores, concentration polarization and support resistance on transport and separations.
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The first large-scale pervaporation plant using tubular-type module with zeolite NaA membrane
TL;DR: In this article, the first large-scale NaA zeolite membrane plant was put into industrial operation and the successful fabrication of the plant and the high level of PV properties of the module were discussed.
References
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Synthesis and characterization of zeolite (MFI) membranes on porous ceramic supports
TL;DR: In this paper, a continuous polycrystalline films of ZSM-5 (MFI-type) crystals have been grown on porous ceramic (clay) supports, and the films are thermomechanically stable upon calcination at 400 °C in air to remove template ions (tetrapropylammonium), during which process the porous support seems to have a stabilizing effect.
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Synthesis and characterization of a pure zeolitic membrane
TL;DR: In this paper, a new membranous material was synthesized, composed of a continuous intergrowth of 10-100 μm ZSM-5 crystals, and the membrane was crystallized under hydrothermal conditions at 180°C on a variety of flat nonporous surfaces including Teflon, silver, and stainless steel and on the external surface of a porous Vycor disk.
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Use of pervaporation systems in the chemical industry
G.F. Tusel,H.E.A. Brüschke +1 more
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Materials chemistry communications. Synthesis of a zeolite NaA membrane
TL;DR: In this paper, a self-supporting zeolite NaA membrane was synthesized from an initially homogeneous hydrothermal solution, which was applied to polyethylene, glass and poly(tetrafluoroethylene) substrates.
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Vapor permeation and pervaporation separation of water-ethanol mixtures through polyimide membranes
Ken-ichi Okamoto,Nozomu Tanihara,Hitoshi Watanabe,Kazuhiro Tanaka,Hidetoshi Kita,Asumaru Nakamura,Yoshihiro Kusuki,Kanji Nakagawa +7 more
TL;DR: In this article, a series of polyimide membranes were investigated for the separation of water-ethanol mixtures and the performance of the membrane was described by both the permeability coefficient of water, P W, which was caluclated using the equilibrium partial pressure as the driving force, and the separation factor at the membrane separation step, α mem.