Effect of support material on rhodium catalysts

Worley, S. D.; Rice, Cynthia A.; Mattson, G. A.; Curtis, C.W.; Guin, J.A.; Tarrer, A.R.

doi:10.1021/j100211a032

Cited by 69 publications

(27 citation statements)

References 5 publications

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“…Infrared spectroscopy has been extensively used to study the modes of CO adsorption as influenced by the adsorption temperature and other variables [35][36][37][38][39][40][41]. For the large metal particles of the catalyst used here, no twin carbonyl adsorbed species are expected under synthesis conditions.…”

Section: Introductionmentioning

confidence: 99%

SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES

Efstathiou

Bennett

1989

Chemical Engineering Communications

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Methanation of a 9/1 mixture of Hz/CO at 180"C has been studied by transient techniques in a gradientless microreactor. The use of isotopic techniques and temperature programmed reduction (TPR) made possible the measurement of adsorbed CO, of a reactive carbon C~and of an inactive carbon Cpo As little as 0.04-0.06 monolayers of a heterogeneous layer of C~are present under the reaction conditions studied. About a monolayer of adsorbed CO is present at 18O"C, independent of time on stream in synthesis gas. The inactive CfJ species accumulates slowly with increasing time on stream in synthesis gas even at the low temperature of lSO'C. In addition, appreciable amounts of formate species are observed, exceeding a monolayer and located on the alumina support. The formate does not appear to be in the carbon pathway from CO to CH •. The rate is essentially controlled by the dissociation of surface CO.

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Section: Introductionmentioning

confidence: 99%

SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES

Efstathiou

Bennett

1989

Chemical Engineering Communications

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“…Evaporation of the solvents left a uniform film of RhCl 3 "3H 2 0/X on the window which was then positioned in a Pyrex infrared cell/reactor of the type designed and used here previously [1,[10][11][12]. Following evacuation to ca.…”

Section: Methodsmentioning

confidence: 99%

An infrared study of the oxidation of carbon monoxide over supported rhodium catalysts

Dai

Worley

1985

Chemical Physics Letters

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“…The supported Rh catalysts used in this study were prepared as thin films on CaF 2 infrared windows by techniques employed here previously for infrared work involving CO adsorption on supported Rh [12][13][14] Experiments employing boric acid as a dopent were also conducted, typical spectral data being shown in Fig. 2.…”

Section: -'mentioning

confidence: 99%

An infrared study of the dissociation of carbon dioxide over supported rhodium catalysts

Henderson

Worley

1985

Surface Science

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Effect of support material on rhodium catalysts

Cited by 69 publications

References 5 publications

SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES

SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES

An infrared study of the oxidation of carbon monoxide over supported rhodium catalysts

An infrared study of the dissociation of carbon dioxide over supported rhodium catalysts

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Effect of support material on rhodium catalysts

Cited by 69 publications

References 5 publications

SURFACE SPECIES ON Rh/Al2O3 DURING CO/H2 REACTION STUDIED BY TRANSIENT TECHNIQUES

SURFACE SPECIES ON Rh/Al2O3 DURING CO/H2 REACTION STUDIED BY TRANSIENT TECHNIQUES

An infrared study of the oxidation of carbon monoxide over supported rhodium catalysts

An infrared study of the dissociation of carbon dioxide over supported rhodium catalysts

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Product

Resources

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SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES

SURFACE SPECIES ON Rh/Al₂O₃ DURING CO/H₂ REACTION STUDIED BY TRANSIENT TECHNIQUES