A Study of the Structure Sensitivity of the Propylene Hydrogenation Reaction Over Supported Platinum and Palladium Catalysts

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Total Pages : pages
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Book Synopsis A Study of the Structure Sensitivity of the Propylene Hydrogenation Reaction Over Supported Platinum and Palladium Catalysts by : Elias Rorris

Download or read book A Study of the Structure Sensitivity of the Propylene Hydrogenation Reaction Over Supported Platinum and Palladium Catalysts written by Elias Rorris and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces

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ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces by :

Download or read book Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces written by and published by . This book was released on 1996 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The catalytic hydrogenation of ethylene and hydrogen on the well characterized surfaces of the noble metals platinum and rhodium has been studied for the purposes of determining the relative activity of these two substrates as well as the degree of structure sensitivity. The Pt(111) and the Rh(755) single crystal surfaces, as well as Pt and Rh foils, were employed as substrates to study the effect of surface step structure on reactivity. In addition, vibrational spectroscopy studies were performed for ethylene adsorption on the stepped Rh(755) surface. The catalytic reaction were obtained using a combined ultrahigh vacuum chamber coupled with an atmospheric pressure reaction chamber that functioned as a batch reactor. Samples could be prepared using standard surface science techniques and characterized for surface composition and geometry using Auger Electron Spectroscopy and Low Energy Electron Diffraction. A comparison of the reactivity of Rh(111) with the results from this study on Rh(755) allows a direct determination of the effect of step structure on ethylene hydrogenation activity. Structure sensitivity is expected to exhibit orders of magnitude differences in rate as surface orientation is varied. In this case, no significant differences were found, confirming the structure insensitivity of this reaction over this metal. The turnover frequency of the Rh(111) surface, 5 x 101 s−1, is in relatively good agreement with the turnover frequency of 9 x 101 s−1 measured for the Rh(755) surface. Rate measurements made on the Pt(111) surface and the Pt foil are in excellent agreement, both measuring 3 x 102 s−1. Likewise, it is concluded that no strong structure sensitivity for the platinum surfaces exists. High Resolution Electron Energy Loss Spectroscopy studies of adsorbed ethylene on the Rh(755) surface compare favorably with the ethylidyne spectra obtained on the Rh(111) and Rh(100) surfaces.

The Interaction of Hydrogen and Oxygen Over Platinum Supported on Silica Gel Catalysts

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Total Pages : 1134 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis The Interaction of Hydrogen and Oxygen Over Platinum Supported on Silica Gel Catalysts by : Francis Vern Hanson

Download or read book The Interaction of Hydrogen and Oxygen Over Platinum Supported on Silica Gel Catalysts written by Francis Vern Hanson and published by . This book was released on 1975 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Reaction Modeling of Propylene Hydrogenation Over Alumina- Supported Platinum

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ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Reaction Modeling of Propylene Hydrogenation Over Alumina- Supported Platinum by : Young-Tai Lu

Download or read book Reaction Modeling of Propylene Hydrogenation Over Alumina- Supported Platinum written by Young-Tai Lu and published by . This book was released on 1988 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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ISBN 13 :
Total Pages : 822 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1989 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of the Structure Sensitivity of Benzene Hydrogenation on Supported Pt Catalysts

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (717 download)

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Book Synopsis A Study of the Structure Sensitivity of Benzene Hydrogenation on Supported Pt Catalysts by : Angel Felipe Flores

Download or read book A Study of the Structure Sensitivity of Benzene Hydrogenation on Supported Pt Catalysts written by Angel Felipe Flores and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of the Methylcyclopropane Hydrogenation Reaction Over Supported Platinum Catalysts

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (719 download)

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Book Synopsis A Study of the Methylcyclopropane Hydrogenation Reaction Over Supported Platinum Catalysts by : Paul Herbert Otero-Schipper

Download or read book A Study of the Methylcyclopropane Hydrogenation Reaction Over Supported Platinum Catalysts written by Paul Herbert Otero-Schipper and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Catalytic Hydrogenation Over Platinum Metals

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ISBN 13 :
Total Pages : 576 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Catalytic Hydrogenation Over Platinum Metals by : Paul Nels Rylander

Download or read book Catalytic Hydrogenation Over Platinum Metals written by Paul Nels Rylander and published by . This book was released on 1967 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Dissertation Index

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ISBN 13 :
Total Pages : 1116 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Comprehensive Dissertation Index by :

Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrogen Effects in Catalysis

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Publisher : CRC Press
ISBN 13 : 1000103544
Total Pages : 774 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Hydrogen Effects in Catalysis by : Zoltan Paal

Download or read book Hydrogen Effects in Catalysis written by Zoltan Paal and published by CRC Press. This book was released on 2020-09-10 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers hydrogen effects in catalysis in the broadest sense, from surface science to industrial applications. It draws the attention of the catalysis community to the importance of the phenomena of hydrogen effects both in the science and technology of catalysis.

Structure Sensitivity in the Nonscalable Regime Explored Via Catalysed Ethylene Hydrogenation on Supported Platinum Nanoclusters

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Book Synopsis Structure Sensitivity in the Nonscalable Regime Explored Via Catalysed Ethylene Hydrogenation on Supported Platinum Nanoclusters by :

Download or read book Structure Sensitivity in the Nonscalable Regime Explored Via Catalysed Ethylene Hydrogenation on Supported Platinum Nanoclusters written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The sensitivity, or insensitivity, of catalysed reactions to catalyst structure is a commonly employed fundamental concept. Here we report on the nature of nano-catalysed ethylene hydrogenation, investigated through experiments on size-selected Ptn (n=8-15) clusters soft-landed on magnesia and first-principles simulations, yielding benchmark information about the validity of structure sensitivity/insensitivity at the bottom of the catalyst size range. Both ethylene-hydrogenation-to-ethane and the parallel hydrogenation-dehydrogenation ethylidyne-producing route are considered, uncovering that at the 1 nm size-scale the reaction exhibits characteristics consistent with structure sensitivity, in contrast to structure insensitivity found for larger particles. The onset of catalysed hydrogenation occurs for Ptn (n≥10) clusters at T150 K, with maximum room temperature reactivity observed for Pt13. Structure insensitivity, inherent for specific cluster sizes, is induced in the more active Pt13 by a temperature increase up to 400 K leading to ethylidyne formation. As a result, control of sub-nanometre particle size may be used for tuning catalysed hydrogenation activity and selectivity.

Catalysis and Kinetics: Molecular Level Considerations

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Publisher : Academic Press
ISBN 13 : 0124199941
Total Pages : 254 pages
Book Rating : 4.1/5 (241 download)

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Book Synopsis Catalysis and Kinetics: Molecular Level Considerations by : Guy B. Marin

Download or read book Catalysis and Kinetics: Molecular Level Considerations written by Guy B. Marin and published by Academic Press. This book was released on 2013-12-24 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Chemical Engineering was established in 1960 and is the definitive serial in the area. It is one of great importance to organic chemists, polymer chemists, and many biological scientists. Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties. This volume covers the topic of catalysis and kinetics and aspects in chemical engineering. Control and optimization of process systems Polyelectrolytes Propane dehydrogenation and selective oxidation of hydrogen Chromium catalysts for ethylene polymerization and oligomerization Computational simulation of rare Earth catalysis

American Doctoral Dissertations

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ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis American Doctoral Dissertations by :

Download or read book American Doctoral Dissertations written by and published by . This book was released on 1988 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces

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ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (33 download)

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Book Synopsis Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces by : Michael Andrew Quinlan

Download or read book Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces written by Michael Andrew Quinlan and published by . This book was released on 1996 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

14C Radiotracer Studies of the Hydrogenation Reactions Over Supported Platinum Catalysts

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (181 download)

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Book Synopsis 14C Radiotracer Studies of the Hydrogenation Reactions Over Supported Platinum Catalysts by : Ezziddin Ahmed Arafa

Download or read book 14C Radiotracer Studies of the Hydrogenation Reactions Over Supported Platinum Catalysts written by Ezziddin Ahmed Arafa and published by . This book was released on 1988 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure-sensitivity of Methane Oxidation Over Platinum and Palladium

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ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (213 download)

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Book Synopsis Structure-sensitivity of Methane Oxidation Over Platinum and Palladium by : Michael Lawrence Young

Download or read book Structure-sensitivity of Methane Oxidation Over Platinum and Palladium written by Michael Lawrence Young and published by . This book was released on 1989 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Comparative Study of the Kinetics of the Ethylene Hydrogenation Reaction Over Platinum and Alumina-supported Platinum Catalysts

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ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (229 download)

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Book Synopsis A Comparative Study of the Kinetics of the Ethylene Hydrogenation Reaction Over Platinum and Alumina-supported Platinum Catalysts by : Hollis Michael Whitehead

Download or read book A Comparative Study of the Kinetics of the Ethylene Hydrogenation Reaction Over Platinum and Alumina-supported Platinum Catalysts written by Hollis Michael Whitehead and published by . This book was released on 1966 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: