Catalytic nanoporous membranes

Pellin, Michael J; Hryn, John N; Elam, Jeffrey W

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Title: Catalytic nanoporous membranes

Abstract

A nanoporous catalytic membrane which displays several unique features Including pores which can go through the entire thickness of the membrane. The membrane has a higher catalytic and product selectivity than conventional catalysts. Anodic aluminum oxide (AAO) membranes serve as the catalyst substrate. This substrate is then subjected to Atomic Layer Deposition (ALD), which allows the controlled narrowing of the pores from 40 nm to 10 nm in the substrate by deposition of a preparatory material. Subsequent deposition of a catalytic layer on the inner surfaces of the pores reduces pore sizes to less than 10 nm and allows for a higher degree of reaction selectivity. The small pore sizes allow control over which molecules enter the pores, and the flow-through feature can allow for partial oxidation of reactant species as opposed to complete oxidation. A nanoporous separation membrane, produced by ALD is also provided for use in gaseous and liquid separations. The membrane has a high flow rate of material with 100% selectivity. Also provided is a method for producing a catalytic membrane having flow-through pores and discreet catalytic clusters adhering to the inside surfaces of the pores.

Inventors:: Pellin, Michael J; Hryn, John N; Elam, Jeffrey W

Issue Date:: Tue Aug 27 00:00:00 EDT 2013

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1093288

Patent Number(s):: 8518845

Application Number:: 12/610,897

Assignee:: UChicago Argonne, LLC (Chicago, IL)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J23/22 - Vanadium
B01J23/26 - Chromium
B01J23/42 - Platinum
B01J23/462 - {Ruthenium}
B01J23/755 - Nickel
B01J35/065 - {Membranes}
B01J35/1057 - {less than 2 nm}
B01J35/1061 - {2-50 nm}
B01J37/0226 - {Oxidation of the substrate, e.g. anodisation}
B01J37/0238 - {via the gaseous phase-sublimation}
B01J37/0244 - {Coatings comprising several layers}

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/045 - {Coating cavities or hollow spaces, e.g. interior of tubes
C23C16/18 - from metallo-organic compounds
C23C16/402 - {Silicon dioxide}
C23C16/403 - {of aluminium, magnesium or beryllium}
C23C16/405 - {of refractory metals or yttrium}
C23C16/407 - {of zinc, germanium, cadmium, indium, tin, thallium or bismuth}
C23C16/45525 - {Atomic layer deposition [ALD]}
C23C16/45555 - {applied in non-semiconductor technology}

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DOE Contract Number:: W-31-109-ENG-38

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Pellin, Michael J, Hryn, John N, and Elam, Jeffrey W. Catalytic nanoporous membranes.  United States: N. p., 2013. 
        Web.

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                    Pellin, Michael J, Hryn, John N, & Elam, Jeffrey W. Catalytic nanoporous membranes.  United States.

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                    Pellin, Michael J, Hryn, John N, and Elam, Jeffrey W. Tue .  
        "Catalytic nanoporous membranes".  United States.  https://www.osti.gov/servlets/purl/1093288.

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@article{osti_1093288,

  title        = {Catalytic nanoporous membranes},

  author       = {Pellin, Michael J and Hryn, John N and Elam, Jeffrey W},

  abstractNote = {A nanoporous catalytic membrane which displays several unique features Including pores which can go through the entire thickness of the membrane. The membrane has a higher catalytic and product selectivity than conventional catalysts. Anodic aluminum oxide (AAO) membranes serve as the catalyst substrate. This substrate is then subjected to Atomic Layer Deposition (ALD), which allows the controlled narrowing of the pores from 40 nm to 10 nm in the substrate by deposition of a preparatory material. Subsequent deposition of a catalytic layer on the inner surfaces of the pores reduces pore sizes to less than 10 nm and allows for a higher degree of reaction selectivity. The small pore sizes allow control over which molecules enter the pores, and the flow-through feature can allow for partial oxidation of reactant species as opposed to complete oxidation. A nanoporous separation membrane, produced by ALD is also provided for use in gaseous and liquid separations. The membrane has a high flow rate of material with 100% selectivity. Also provided is a method for producing a catalytic membrane having flow-through pores and discreet catalytic clusters adhering to the inside surfaces of the pores.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Aug 27 00:00:00 EDT 2013},

  month        = {Tue Aug 27 00:00:00 EDT 2013}

}

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Similar Records

Title: Catalytic nanoporous membranes

Abstract

Citation Formats

Catalyst preparation patent, November 2002

Coated products patent, September 2003

Nanostructure, electron emitting device, carbon nanotube device, and method of producing the same patent, January 2005

Method of forming a porous inorganic membrane on a porous support using a reactive inorganic binder patent, January 1991

Nanostructured ceramic platform for micromachined devices and device arrays patent, March 2004

Porous aluminum oxide film and method of forming of the same patent, December 1991

Heterogeneous catalyst and process for its manufacture patent, September 1984

Molecular sieve - photoactive semiconductor membranes and reactions employing the membranes patent, November 1995

Porous aluminum oxide film and method of forming of the same patent, February 1992

Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof patent, October 1987

Nanostructure, electron emitting device, carbon nanotube device, and method of producing the same patent, August 2001

Process of making electroplated anodized aluminum articles and electroless plating patent, May 1977

Porous anodic aluminium oxide membrane catalyst support patent, May 1990

Porous aluminum oxide film and method of forming of the same patent, February 1992

Catalytic converter with metal monolith having an integral catalyst patent, March 2001

Porous ceramic laminate and production thereof patent, March 2006

Aligned molecular sieve crystals grown on anodic alumina membrane patent, May 2000

Porous aluminum oxide film and method of forming of the same patent, October 1991

Porous inorganic siliceous-containing gas enriching material and process of manufacture and use patent, August 1989

Catalyst product and method of manufacture patent, April 2001

Catalyst preparation
patent, November 2002

Coated products
patent, September 2003

Nanostructure, electron emitting device, carbon nanotube device, and method of producing the same
patent, January 2005

Method of forming a porous inorganic membrane on a porous support using a reactive inorganic binder
patent, January 1991

Nanostructured ceramic platform for micromachined devices and device arrays
patent, March 2004

Porous aluminum oxide film and method of forming of the same
patent, December 1991

Heterogeneous catalyst and process for its manufacture
patent, September 1984

Molecular sieve - photoactive semiconductor membranes and reactions employing the membranes
patent, November 1995

Porous aluminum oxide film and method of forming of the same
patent, February 1992

Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof
patent, October 1987

Nanostructure, electron emitting device, carbon nanotube device, and method of producing the same
patent, August 2001

Process of making electroplated anodized aluminum articles and electroless plating
patent, May 1977

Porous anodic aluminium oxide membrane catalyst support
patent, May 1990

Porous aluminum oxide film and method of forming of the same
patent, February 1992

Catalytic converter with metal monolith having an integral catalyst
patent, March 2001

Porous ceramic laminate and production thereof
patent, March 2006

Aligned molecular sieve crystals grown on anodic alumina membrane
patent, May 2000

Porous aluminum oxide film and method of forming of the same
patent, October 1991

Porous inorganic siliceous-containing gas enriching material and process of manufacture and use
patent, August 1989

Catalyst product and method of manufacture
patent, April 2001