HYDROGENATION OF CARBON MONOXIDE OVER MODEL RHENIUM CATALYSTS: ADDITIVE EFFECTS AND A COMPARISON WITH IRON.

Eric Garfunkel; J. Parmeter; B. M. Naasz; G. A. Somorjai

HYDROGENATION OF CARBON MONOXIDE OVER MODEL RHENIUM CATALYSTS: ADDITIVE EFFECTS AND A COMPARISON WITH IRON.

Eric Garfunkel, J. Parmeter, B. M. Naasz, G. A. Somorjai

Rutgers University

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

11 Citations (Scopus)

Abstract

Small area (approximately 1 cm**2) rhenium and iron foil catalysts have been studied for CO hydrogenation reactions Rhenium produces primarily methane and showed lower activity than iron. The addition of submonolayer amounts of alkali decreased the overall rate of reaction and caused a selectivity change toward longer chain hydrocarbons on both metal surfaces. Oxidation of the surface usually caused a higher selectivity toward methane and a decreased rate of carbon buildup, but the overall rate of methanation remained relatively constant. The hydrogenation of carbon or CH//x fragments appears to be the rate-determining step in the reaction.

Original language	English
Pages (from-to)	105-108
Number of pages	4
Journal	Langmuir
Volume	2
Issue number	1
Publication status	Published - Jan 1986

ASJC Scopus subject areas

Colloid and Surface Chemistry
Physical and Theoretical Chemistry

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abstract = "Small area (approximately 1 cm**2) rhenium and iron foil catalysts have been studied for CO hydrogenation reactions Rhenium produces primarily methane and showed lower activity than iron. The addition of submonolayer amounts of alkali decreased the overall rate of reaction and caused a selectivity change toward longer chain hydrocarbons on both metal surfaces. Oxidation of the surface usually caused a higher selectivity toward methane and a decreased rate of carbon buildup, but the overall rate of methanation remained relatively constant. The hydrogenation of carbon or CH//x fragments appears to be the rate-determining step in the reaction.",

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year = "1986",

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T2 - ADDITIVE EFFECTS AND A COMPARISON WITH IRON.

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AU - Parmeter, J.

AU - Naasz, B. M.

AU - Somorjai, G. A.

PY - 1986/1

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N2 - Small area (approximately 1 cm**2) rhenium and iron foil catalysts have been studied for CO hydrogenation reactions Rhenium produces primarily methane and showed lower activity than iron. The addition of submonolayer amounts of alkali decreased the overall rate of reaction and caused a selectivity change toward longer chain hydrocarbons on both metal surfaces. Oxidation of the surface usually caused a higher selectivity toward methane and a decreased rate of carbon buildup, but the overall rate of methanation remained relatively constant. The hydrogenation of carbon or CH//x fragments appears to be the rate-determining step in the reaction.

AB - Small area (approximately 1 cm**2) rhenium and iron foil catalysts have been studied for CO hydrogenation reactions Rhenium produces primarily methane and showed lower activity than iron. The addition of submonolayer amounts of alkali decreased the overall rate of reaction and caused a selectivity change toward longer chain hydrocarbons on both metal surfaces. Oxidation of the surface usually caused a higher selectivity toward methane and a decreased rate of carbon buildup, but the overall rate of methanation remained relatively constant. The hydrogenation of carbon or CH//x fragments appears to be the rate-determining step in the reaction.

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