Sustainable hydrogen from bio-oil - Steam reforming of acetic acid as a model oxygenate

K. Takanabe; Ken-ichi Aika; Kulathuiyer Seshan; Leonardus Lefferts

doi:10.1016/j.jcat.2004.07.002

Sustainable hydrogen from bio-oil - Steam reforming of acetic acid as a model oxygenate

K. Takanabe, Ken-ichi Aika, Kulathuiyer Seshan, Leonardus Lefferts

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

265 Citations (Scopus)

Abstract

Steam reforming of acetic acid over Pt/ZrO2 catalysts has been investigated. Pt/ZrO2 catalysts are very active, completely converting acetic acid, and give a hydrogen yield close to thermodynamic equilibrium. The catalyst deactivated by formation of oligomers which block the active sites. The mechanism of both the reaction and the deactivation was studied with kinetic and spectroscopic measurements on Pt/ZrO2, ZrO2, and Pt black. It is shown that Pt is essential for steam reforming to proceed. ZrO2 is needed to activate steam. ZrO2, on the other hand, is also active for oligomer¿precursor formation under the conditions investigated. Results obtained in the study show that steam reforming takes place at the PtZrO2 boundary and that deactivation occurs when this boundary is blocked by oligomers.

Original language	English
Pages (from-to)	101-108
Number of pages	8
Journal	Journal of catalysis
Volume	227
Issue number	1
DOIs	https://doi.org/10.1016/j.jcat.2004.07.002
Publication status	Published - 2004

Keywords

METIS-221031
IR-49061

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10.1016/j.jcat.2004.07.002

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title = "Sustainable hydrogen from bio-oil - Steam reforming of acetic acid as a model oxygenate",

abstract = "Steam reforming of acetic acid over Pt/ZrO2 catalysts has been investigated. Pt/ZrO2 catalysts are very active, completely converting acetic acid, and give a hydrogen yield close to thermodynamic equilibrium. The catalyst deactivated by formation of oligomers which block the active sites. The mechanism of both the reaction and the deactivation was studied with kinetic and spectroscopic measurements on Pt/ZrO2, ZrO2, and Pt black. It is shown that Pt is essential for steam reforming to proceed. ZrO2 is needed to activate steam. ZrO2, on the other hand, is also active for oligomer¿precursor formation under the conditions investigated. Results obtained in the study show that steam reforming takes place at the PtZrO2 boundary and that deactivation occurs when this boundary is blocked by oligomers.",

keywords = "METIS-221031, IR-49061",

author = "K. Takanabe and Ken-ichi Aika and Kulathuiyer Seshan and Leonardus Lefferts",

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T1 - Sustainable hydrogen from bio-oil - Steam reforming of acetic acid as a model oxygenate

AU - Takanabe, K.

AU - Aika, Ken-ichi

AU - Seshan, Kulathuiyer

AU - Lefferts, Leonardus

PY - 2004

Y1 - 2004

N2 - Steam reforming of acetic acid over Pt/ZrO2 catalysts has been investigated. Pt/ZrO2 catalysts are very active, completely converting acetic acid, and give a hydrogen yield close to thermodynamic equilibrium. The catalyst deactivated by formation of oligomers which block the active sites. The mechanism of both the reaction and the deactivation was studied with kinetic and spectroscopic measurements on Pt/ZrO2, ZrO2, and Pt black. It is shown that Pt is essential for steam reforming to proceed. ZrO2 is needed to activate steam. ZrO2, on the other hand, is also active for oligomer¿precursor formation under the conditions investigated. Results obtained in the study show that steam reforming takes place at the PtZrO2 boundary and that deactivation occurs when this boundary is blocked by oligomers.

AB - Steam reforming of acetic acid over Pt/ZrO2 catalysts has been investigated. Pt/ZrO2 catalysts are very active, completely converting acetic acid, and give a hydrogen yield close to thermodynamic equilibrium. The catalyst deactivated by formation of oligomers which block the active sites. The mechanism of both the reaction and the deactivation was studied with kinetic and spectroscopic measurements on Pt/ZrO2, ZrO2, and Pt black. It is shown that Pt is essential for steam reforming to proceed. ZrO2 is needed to activate steam. ZrO2, on the other hand, is also active for oligomer¿precursor formation under the conditions investigated. Results obtained in the study show that steam reforming takes place at the PtZrO2 boundary and that deactivation occurs when this boundary is blocked by oligomers.

KW - METIS-221031

KW - IR-49061

U2 - 10.1016/j.jcat.2004.07.002

DO - 10.1016/j.jcat.2004.07.002

M3 - Article

VL - 227

SP - 101

EP - 108

JO - Journal of catalysis

JF - Journal of catalysis

SN - 0021-9517

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