Multi-layer membrane composites and their use in hydrocarbon par

Details Multi-layer membrane composites and their use in hydrocarbon par Multi-layer membrane composites and their use in hydrocarbon par

1997-03-20

1998-12-08

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

55498, 55523, 55524, 95 54, 96 4, 96 10, 428116, 4283105, 4283157, 4283159, 4283166, 4283191, 502 4, 502300, B01D 5322, B01D 7102, B01J 3510, B32B 312

Patent

active

058466410

ABSTRACT:
The present invention discloses a mixed ionic electronic conductor membrane comprising a dense layer sandwiched between two porous layers. Furthermore the invention discloses the application of this membrane to the use of partial oxidation of hydrocarbons. One porous layer, which is in contact with air, promotes the generation of oxygen ions. The oxygen ions diffuse through the dense layer to the second porous layer which is in contact with a hydrocarbon and result in partial oxidation of the hydrocarbon.

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patent: 5569633 (1996-10-01), Carolan et al.
patent: 5599383 (1997-02-01), Dyer et al.
U. Balachandran, et al., American Ceramic Society Bulletin vol. 74, pp. 71-75, 1995. Methane to Syngas via Ceramic Membranes.
T.J. Mazanec, Electropox: BP's Novel Oxidation Technology, in The Activation of Dioxygen and Homogeneous Catalytic Oxidation, Edited by D.H.R. Barton, et al., Plenum Press, New York 1993.
H.J.M. Bouwmeester, et al., Importance of the surface exchange kinetics as rate limiting step in oxygen permeation through mixed-conducting oxides, Solid State Ionics 72 (1994) 185-194.
H. Deng, et al., Solid State Ionics 74(1994) 75-84, Diffusion-reaction in mixed ionic-electronic solid oxide membranes with porous electrodes.
H. Deng, et al, Solid State Ionics 80(1995) 213-222. Transport in solid oxide porous electrodes: Effect of gas diffusion.

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