Preparation and characterization of composite membrane for high temperature gas separation. Quarterly technical report, December 1, 1996--February 28, 1997

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To develop a new class of permselective inorganic membranes, the authors have identified electroless plating as a potential route to deposit a thin metal film on a porous substrate. Electroless plating is a controlled autocatalytic deposition of continuous film on the surface of a substrate by the interactions of a metal salt and a chemical reducing agent. This method can give thin films of metals, alloys and composites on both conducting and nonconducting surfaces. The objective of this project is to develop thin film palladium membranes for separation of hydrogen in high temperature applications. The authors plan to use electroless ... continued below

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2 p.

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Ilias, S. & King, F.G. December 31, 1997.

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Description

To develop a new class of permselective inorganic membranes, the authors have identified electroless plating as a potential route to deposit a thin metal film on a porous substrate. Electroless plating is a controlled autocatalytic deposition of continuous film on the surface of a substrate by the interactions of a metal salt and a chemical reducing agent. This method can give thin films of metals, alloys and composites on both conducting and nonconducting surfaces. The objective of this project is to develop thin film palladium membranes for separation of hydrogen in high temperature applications. The authors plan to use electroless plating to deposit thin palladium films on microporous ceramic and silver substrates. They plan to characterize the membrane in terms of permeability and selectivity for gas separation. To accomplish the research objective, the project requires three tasks: (1) development of a process for composite membrane formation; (2) characterization of fabricated composite membrane; and (3) development of theoretical model for hydrogen gas separation. During this quarter they extended their single-staged complete-mixing and cross-flow models to design a Two-Unit-Series (TUS), a Two-Stage Counter-Current Recycle Membrane Cascade (CRMC) and a Five-Stage CRMC arrangement. These designs have been used to study the performance of membrane modules for the separation of hydrogen through Palladium-ceramic composite membranes. The results show that for high-selective membrane, the effect of flow arrangement is of no consequence. Multi-staged cascading significantly improve the product purity and product separation.

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2 p.

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OSTI as DE97054365

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  • Other Information: PBD: [1997]

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  • Other: DE97054365
  • Report No.: DOE/MT/93008--T12
  • Grant Number: FG22-93MT93008
  • DOI: 10.2172/584861 | External Link
  • Office of Scientific & Technical Information Report Number: 584861
  • Archival Resource Key: ark:/67531/metadc691225

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  • December 31, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 11, 2015, 12:35 p.m.

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Ilias, S. & King, F.G. Preparation and characterization of composite membrane for high temperature gas separation. Quarterly technical report, December 1, 1996--February 28, 1997, report, December 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc691225/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.