Development of Pd-based double-skinned membranes for hydrogen production in fluidized bed membrane reactors

A. Arratibel Plazaola, D.A. Pacheco Tanaka, I. Laso, M. van Sint Annaland, F. Gallucci

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Abstract

This paper reports the preparation and performance characterization of new PdAg supported membranes with a porous protecting layer to protect the membrane surface from particles in a fluidized bed membrane reactor. Supported membranes with a selective layer of 1 µm and a protective layer have been prepared. Outstanding H2 permeance (5·10−6 mol m−2 s−1 Pa−1) and H2/N2 perm-selectivity (over 25,000) were measured at 400 °C and 1 bar of pressure difference. One membrane has been tested for more than 750 h in the presence of fluidized glass beads showing a decay in the perm-selectivity to approximately 5000, mainly due to sealing leakage. However, the protective layer was removed during this long-term test. Another membrane has been tested for more than 2000 h in a fluidized bed membrane reactor with a Rh reforming catalyst supported on promoted alumina in the bubbling fluidization regime. During tests with binary mixtures mass transfer limitations toward the membrane were observed due to large H2 permeance of the membranes.
Original languageEnglish
Pages (from-to)536-544
JournalJournal of Membrane Science
Volume550
DOIs
Publication statusPublished - 2018

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hydrogen production
Hydrogen production
Fluidized beds
beds
Hydrogen
reactors
membranes
Membranes
selectivity
Aluminum Oxide
Fluidization
sealing
Reforming reactions
Binary mixtures
Catalyst supports
beads
binary mixtures
mass transfer
Glass
leakage

Cite this

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title = "Development of Pd-based double-skinned membranes for hydrogen production in fluidized bed membrane reactors",
abstract = "This paper reports the preparation and performance characterization of new PdAg supported membranes with a porous protecting layer to protect the membrane surface from particles in a fluidized bed membrane reactor. Supported membranes with a selective layer of 1 µm and a protective layer have been prepared. Outstanding H2 permeance (5·10−6 mol m−2 s−1 Pa−1) and H2/N2 perm-selectivity (over 25,000) were measured at 400 °C and 1 bar of pressure difference. One membrane has been tested for more than 750 h in the presence of fluidized glass beads showing a decay in the perm-selectivity to approximately 5000, mainly due to sealing leakage. However, the protective layer was removed during this long-term test. Another membrane has been tested for more than 2000 h in a fluidized bed membrane reactor with a Rh reforming catalyst supported on promoted alumina in the bubbling fluidization regime. During tests with binary mixtures mass transfer limitations toward the membrane were observed due to large H2 permeance of the membranes.",
author = "{Arratibel Plazaola}, A. and {Pacheco Tanaka}, D.A. and I. Laso and {van Sint Annaland}, M. and F. Gallucci",
year = "2018",
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journal = "Journal of Membrane Science",
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}

Development of Pd-based double-skinned membranes for hydrogen production in fluidized bed membrane reactors. / Arratibel Plazaola, A.; Pacheco Tanaka, D.A.; Laso, I.; van Sint Annaland, M.; Gallucci, F.

In: Journal of Membrane Science, Vol. 550, 2018, p. 536-544.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Development of Pd-based double-skinned membranes for hydrogen production in fluidized bed membrane reactors

AU - Arratibel Plazaola, A.

AU - Pacheco Tanaka, D.A.

AU - Laso, I.

AU - van Sint Annaland, M.

AU - Gallucci, F.

PY - 2018

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AB - This paper reports the preparation and performance characterization of new PdAg supported membranes with a porous protecting layer to protect the membrane surface from particles in a fluidized bed membrane reactor. Supported membranes with a selective layer of 1 µm and a protective layer have been prepared. Outstanding H2 permeance (5·10−6 mol m−2 s−1 Pa−1) and H2/N2 perm-selectivity (over 25,000) were measured at 400 °C and 1 bar of pressure difference. One membrane has been tested for more than 750 h in the presence of fluidized glass beads showing a decay in the perm-selectivity to approximately 5000, mainly due to sealing leakage. However, the protective layer was removed during this long-term test. Another membrane has been tested for more than 2000 h in a fluidized bed membrane reactor with a Rh reforming catalyst supported on promoted alumina in the bubbling fluidization regime. During tests with binary mixtures mass transfer limitations toward the membrane were observed due to large H2 permeance of the membranes.

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