Catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil microemulsion in CO hydrogenation

M. Kishida; H. Hayashi; T. Tago; K. Wakabayashi

Catalytic behavior of Pd/SiO₂ catalysts prepared using water-in-oil microemulsion in CO hydrogenation

M. Kishida, H. Hayashi, T. Tago, K. Wakabayashi

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

Abstract

The catalytic behavior of Pd/SiO₂ catalysts prepared using water-in-oil (w/o) microemulsion has been studied in comparison with that of the impregnated Pd/SiO₂ catalysts in CO hydrogenation. In the case of Pd/SiO₂ catalyst prepared using w/o microemulsion, the CO conversion increased with time-on-stream and showed a very high constant value after 40 h. The selectivity to the oxygenates with more than one carbon (C₂₊) also increased with time and achieved an extremely high value when the CO conversion was constant. The extremely high CO conversion and C₂₊ oxygenate selectivity of the catalyst prepared using w/o microemulsion was considered to be due to the coexistence of Pd with different oxidation states.

Original language	English
Pages (from-to)	407-410
Number of pages	4
Journal	Kinetics and Catalysis
Volume	40
Issue number	3
Publication status	Published - May 1 1999

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)
Modelling and Simulation
Computer Science Applications

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title = "Catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil microemulsion in CO hydrogenation",

abstract = "The catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil (w/o) microemulsion has been studied in comparison with that of the impregnated Pd/SiO2 catalysts in CO hydrogenation. In the case of Pd/SiO2 catalyst prepared using w/o microemulsion, the CO conversion increased with time-on-stream and showed a very high constant value after 40 h. The selectivity to the oxygenates with more than one carbon (C2+) also increased with time and achieved an extremely high value when the CO conversion was constant. The extremely high CO conversion and C2+ oxygenate selectivity of the catalyst prepared using w/o microemulsion was considered to be due to the coexistence of Pd with different oxidation states.",

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T1 - Catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil microemulsion in CO hydrogenation

AU - Kishida, M.

AU - Hayashi, H.

AU - Tago, T.

AU - Wakabayashi, K.

PY - 1999/5/1

Y1 - 1999/5/1

N2 - The catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil (w/o) microemulsion has been studied in comparison with that of the impregnated Pd/SiO2 catalysts in CO hydrogenation. In the case of Pd/SiO2 catalyst prepared using w/o microemulsion, the CO conversion increased with time-on-stream and showed a very high constant value after 40 h. The selectivity to the oxygenates with more than one carbon (C2+) also increased with time and achieved an extremely high value when the CO conversion was constant. The extremely high CO conversion and C2+ oxygenate selectivity of the catalyst prepared using w/o microemulsion was considered to be due to the coexistence of Pd with different oxidation states.

AB - The catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil (w/o) microemulsion has been studied in comparison with that of the impregnated Pd/SiO2 catalysts in CO hydrogenation. In the case of Pd/SiO2 catalyst prepared using w/o microemulsion, the CO conversion increased with time-on-stream and showed a very high constant value after 40 h. The selectivity to the oxygenates with more than one carbon (C2+) also increased with time and achieved an extremely high value when the CO conversion was constant. The extremely high CO conversion and C2+ oxygenate selectivity of the catalyst prepared using w/o microemulsion was considered to be due to the coexistence of Pd with different oxidation states.

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JF - Kinetics and Catalysis

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Catalytic behavior of Pd/SiO2 catalysts prepared using water-in-oil microemulsion in CO hydrogenation

Abstract

All Science Journal Classification (ASJC) codes

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Catalytic behavior of Pd/SiO₂ catalysts prepared using water-in-oil microemulsion in CO hydrogenation