Transient studies of low temperature catalysts for methane conversion. Final report, [September 1992--March 1996]

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The objective of this project is to use transient techniques to study gas surface interactions during the oxidative conversion of methane. Two groups of catalysts were studied: a double oxide of vanadium and phosphate or VPO, and double oxides of Ni, Co and Rh and lanthana. The objective of the studies involving the VPO catalyst was to understand gas-surface interactions leading to the formation of formaldehyde. In the second group of catalysts, involving metallo-oxides, the main objective was to study the gas-surface interactions that determine the selectivity to C{sub 2} hydrocarbons or synthesis gas. Transient techniques were used to study ... continued below

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59 p.

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Wolf, E. E. September 30, 1996.

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Description

The objective of this project is to use transient techniques to study gas surface interactions during the oxidative conversion of methane. Two groups of catalysts were studied: a double oxide of vanadium and phosphate or VPO, and double oxides of Ni, Co and Rh and lanthana. The objective of the studies involving the VPO catalyst was to understand gas-surface interactions leading to the formation of formaldehyde. In the second group of catalysts, involving metallo-oxides, the main objective was to study the gas-surface interactions that determine the selectivity to C{sub 2} hydrocarbons or synthesis gas. Transient techniques were used to study the methane-surface interactions and the role of lattice oxygen. The selection of the double oxides was made on the hypothesis that the metal oxide would provide an increase interaction with methane whereas the phosphate or lanthanide would provide the sites for oxygen adsorption. The hypothesis behind this selection of catalysts was that increasing the methane interaction with the catalysts would lower the reaction temperature and thus increase the selectivity to the desired products over the total oxidation reaction. In both groups of catalysts the role of Li as a modifier of the selectivity was also studied in detail.

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59 p.

Notes

OSTI as DE97051100

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  • Other Information: PBD: 30 Sep 1996

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  • Other: DE97051100
  • Report No.: DOE/PC/92529--T13
  • Grant Number: FG22-92PC92529
  • DOI: 10.2172/428648 | External Link
  • Office of Scientific & Technical Information Report Number: 428648
  • Archival Resource Key: ark:/67531/metadc683617

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  • September 30, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 10, 2018, 7:47 p.m.

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Wolf, E. E. Transient studies of low temperature catalysts for methane conversion. Final report, [September 1992--March 1996], report, September 30, 1996; Indiana. (digital.library.unt.edu/ark:/67531/metadc683617/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.