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  • 1
    Electronic Resource
    Electronic Resource
    Characterization of surface species on V/SiO2 and V,Na/SiO2 and their role in the partial oxidation of methane to formaldehyde (1996)
    Springer
    Catalysis letters 40 (1996), S. 9-16 
    Details
    ISSN: 1572-879X
    Keywords: vanadium surface species ; silica-supported catalysts ; methane partial oxidation ; sodium poison ; V=O sites
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Silica-supported vanadium (1–8 wt%) and vanadium (5 wt%)-sodium (0.4 wt%) catalysts have been characterized by laser Raman spectroscopy, temperature-programmed reduction, X-ray photoelectron spectroscopy, NO + NH3 rectangular pulses and oxygen chemisorption. The presence of different vanadium species was correlated with activity and selectivity during the methane partial oxidation reaction. The pre-impregnation of the silica support with sodium favors vanadium dispersion, but strongly diminishes V=O concentration due to the formation of orthovanadate-like compounds. As a result of these modifications, methane conversion is strongly inhibited while formaldehyde decomposition is favored.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00807449
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Alcohol formation from synthesis gas: A thermodynamic study (1986)
    Springer
    Reaction kinetics and catalysis letters 31 (1986), S. 107-112 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Термодинамически исследован симультанный синтез спиртов C1−C4 из синтез-газа. Равновесный состав рассчитан для газовых смесей, содержащих CO, H2, CH3OH, C2H5OH, C3H7OH, н-C4H9OH и H2O. Особенно учитывали эксплуатационные промышленные условия.
    Notes: Abstract A thermodynamic study is presented for the simultaneous synthesis of C1−C4 alcohols from synthesis gas. The equilibrium composition was calculated for the gaseous mixture containing Co, H2, CH3OH, C2H5OH, C3H7OH, n-C4H9OH and H2O. Operating industrial conditions were specifically considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02062519
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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