Nanostructured palladium-iron membranes for hydrogen separation and membrane hydrogenation reactions

Kenneth J. Bryden; Jackie Y. Ying

doi:10.1016/S0376-7388(01)00736-0

Nanostructured palladium-iron membranes for hydrogen separation and membrane hydrogenation reactions

Kenneth J. Bryden, Jackie Y. Ying^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

Hydrogen permselectivity and poisoning resistance of nanostructured palladium-iron alloy films were examined to evaluate these materials for potential membrane applications. At 200°C, nanostructured palladium-iron films had hydrogen/helium selectivities of up to 35:1 and hydrogen fluxes of up to 10sccm/cm². The rate-limiting step for hydrogen transport was diffusion through the bulk metal. Hydrogen flux in the nanostructured palladium-based membranes decreased with increasing iron content. The nanocrystalline membranes had higher hydrogen fluxes than coarse-grained polycrystalline systems of similar compositions. Nanostructured membranes also exhibited better resistance to hydrogen sulfide poisoning than polycrystalline membranes. When applied for the hydrogenation of ethene, the palladium-iron nanocrystalline membranes displayed stable activities over long time periods.

Original language	English
Pages (from-to)	29-42
Number of pages	14
Journal	Journal of Membrane Science
Volume	203
Issue number	1-2
DOIs	https://doi.org/10.1016/S0376-7388(01)00736-0
State	Published - 30 Jun 2002
Externally published	Yes

Keywords

Gas separations
Membrane reactors
Metal membranes
Nanostructured materials
Poisoning

ASJC Scopus subject areas

Biochemistry
General Materials Science
Physical and Theoretical Chemistry
Filtration and Separation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/S0376-7388(01)00736-0

Cite this

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title = "Nanostructured palladium-iron membranes for hydrogen separation and membrane hydrogenation reactions",

abstract = "Hydrogen permselectivity and poisoning resistance of nanostructured palladium-iron alloy films were examined to evaluate these materials for potential membrane applications. At 200°C, nanostructured palladium-iron films had hydrogen/helium selectivities of up to 35:1 and hydrogen fluxes of up to 10sccm/cm2. The rate-limiting step for hydrogen transport was diffusion through the bulk metal. Hydrogen flux in the nanostructured palladium-based membranes decreased with increasing iron content. The nanocrystalline membranes had higher hydrogen fluxes than coarse-grained polycrystalline systems of similar compositions. Nanostructured membranes also exhibited better resistance to hydrogen sulfide poisoning than polycrystalline membranes. When applied for the hydrogenation of ethene, the palladium-iron nanocrystalline membranes displayed stable activities over long time periods.",

keywords = "Gas separations, Membrane reactors, Metal membranes, Nanostructured materials, Poisoning",

author = "Bryden, \{Kenneth J.\} and Ying, \{Jackie Y.\}",

year = "2002",

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doi = "10.1016/S0376-7388(01)00736-0",

language = "English",

volume = "203",

pages = "29--42",

journal = "Journal of Membrane Science",

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publisher = "Elsevier B.V.",

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}

TY - JOUR

T1 - Nanostructured palladium-iron membranes for hydrogen separation and membrane hydrogenation reactions

AU - Bryden, Kenneth J.

AU - Ying, Jackie Y.

PY - 2002/6/30

Y1 - 2002/6/30

N2 - Hydrogen permselectivity and poisoning resistance of nanostructured palladium-iron alloy films were examined to evaluate these materials for potential membrane applications. At 200°C, nanostructured palladium-iron films had hydrogen/helium selectivities of up to 35:1 and hydrogen fluxes of up to 10sccm/cm2. The rate-limiting step for hydrogen transport was diffusion through the bulk metal. Hydrogen flux in the nanostructured palladium-based membranes decreased with increasing iron content. The nanocrystalline membranes had higher hydrogen fluxes than coarse-grained polycrystalline systems of similar compositions. Nanostructured membranes also exhibited better resistance to hydrogen sulfide poisoning than polycrystalline membranes. When applied for the hydrogenation of ethene, the palladium-iron nanocrystalline membranes displayed stable activities over long time periods.

AB - Hydrogen permselectivity and poisoning resistance of nanostructured palladium-iron alloy films were examined to evaluate these materials for potential membrane applications. At 200°C, nanostructured palladium-iron films had hydrogen/helium selectivities of up to 35:1 and hydrogen fluxes of up to 10sccm/cm2. The rate-limiting step for hydrogen transport was diffusion through the bulk metal. Hydrogen flux in the nanostructured palladium-based membranes decreased with increasing iron content. The nanocrystalline membranes had higher hydrogen fluxes than coarse-grained polycrystalline systems of similar compositions. Nanostructured membranes also exhibited better resistance to hydrogen sulfide poisoning than polycrystalline membranes. When applied for the hydrogenation of ethene, the palladium-iron nanocrystalline membranes displayed stable activities over long time periods.

KW - Gas separations

KW - Membrane reactors

KW - Metal membranes

KW - Nanostructured materials

KW - Poisoning

UR - https://www.scopus.com/pages/publications/0037199051

U2 - 10.1016/S0376-7388(01)00736-0

DO - 10.1016/S0376-7388(01)00736-0

M3 - Article

AN - SCOPUS:0037199051

SN - 0376-7388

VL - 203

SP - 29

EP - 42

JO - Journal of Membrane Science

JF - Journal of Membrane Science

IS - 1-2

ER -

Nanostructured palladium-iron membranes for hydrogen separation and membrane hydrogenation reactions

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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