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Title: Functionalized inorganic membranes for gas separation

Abstract

A porous membrane for separation of carbon dioxide from a fluid stream at a temperature higher than about 200.degree. C. with selectivity higher than Knudsen diffusion selectivity. The porous membrane comprises a porous support layer comprising alumina, silica, zirconia or stabilized zirconia; a porous separation layer comprising alumina, silica, zirconia or stabilized zirconia, and a functional layer comprising a ceramic oxide contactable with the fluid stream to preferentially transport carbon dioxide. In particular, the functional layer may be MgO, CaO, SrO, BaO, La.sub.2O.sub.3, CeO.sub.2, ATiO.sub.3, AZrO.sub.3, AAl.sub.2O.sub.4, A.sup.1FeO.sub.3, A.sup.1MnO.sub.3, A.sup.1CoO.sub.3, A.sup.1NiO.sub.3, A.sup.2HfO.sub.3, A.sup.3CeO.sub.3, Li.sub.2ZrO.sub.3, Li.sub.2SiO.sub.3, Li.sub.2TiO.sub.3 or a mixture thereof; wherein A is Mg, Ca, Sr or Ba; A.sup.1 is La, Ca, Sr or Ba; A.sup.2 is Ca, Sr or Ba; and A.sup.3 is Sr or Ba.

Inventors:
 [1];  [2];  [3];  [4]
  1. Rexford, NY
  2. Delmar, NY
  3. Marietta, GA
  4. Niskayuna, NY
Publication Date:
Research Org.:
General Electric Company (Niskayuna, NY)
Sponsoring Org.:
USDOE
OSTI Identifier:
984482
Patent Number(s):
7,396,382
Application Number:
11/263,165
Assignee:
General Electric Company (Niskayuna, NY)
DOE Contract Number:  
FC26-05NT42451
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Ku, Anthony Yu-Chung, Ruud, James Anthony, Molaison, Jennifer Lynn, Schick, Louis Andrew ,, and Ramaswamy, Vidya. Functionalized inorganic membranes for gas separation. United States: N. p., 2008. Web.
Ku, Anthony Yu-Chung, Ruud, James Anthony, Molaison, Jennifer Lynn, Schick, Louis Andrew ,, & Ramaswamy, Vidya. Functionalized inorganic membranes for gas separation. United States.
Ku, Anthony Yu-Chung, Ruud, James Anthony, Molaison, Jennifer Lynn, Schick, Louis Andrew ,, and Ramaswamy, Vidya. Tue . "Functionalized inorganic membranes for gas separation". United States. https://www.osti.gov/servlets/purl/984482.
@article{osti_984482,
title = {Functionalized inorganic membranes for gas separation},
author = {Ku, Anthony Yu-Chung and Ruud, James Anthony and Molaison, Jennifer Lynn and Schick, Louis Andrew , and Ramaswamy, Vidya},
abstractNote = {A porous membrane for separation of carbon dioxide from a fluid stream at a temperature higher than about 200.degree. C. with selectivity higher than Knudsen diffusion selectivity. The porous membrane comprises a porous support layer comprising alumina, silica, zirconia or stabilized zirconia; a porous separation layer comprising alumina, silica, zirconia or stabilized zirconia, and a functional layer comprising a ceramic oxide contactable with the fluid stream to preferentially transport carbon dioxide. In particular, the functional layer may be MgO, CaO, SrO, BaO, La.sub.2O.sub.3, CeO.sub.2, ATiO.sub.3, AZrO.sub.3, AAl.sub.2O.sub.4, A.sup.1FeO.sub.3, A.sup.1MnO.sub.3, A.sup.1CoO.sub.3, A.sup.1NiO.sub.3, A.sup.2HfO.sub.3, A.sup.3CeO.sub.3, Li.sub.2ZrO.sub.3, Li.sub.2SiO.sub.3, Li.sub.2TiO.sub.3 or a mixture thereof; wherein A is Mg, Ca, Sr or Ba; A.sup.1 is La, Ca, Sr or Ba; A.sup.2 is Ca, Sr or Ba; and A.sup.3 is Sr or Ba.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {7}
}

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