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  • 1
    Electronic Resource
    Electronic Resource
    Low-temperature heterogeneous oxidation of sulfide ions on a higher Co oxide system in aqueous medium (1999)
    Springer
    Reaction kinetics and catalysis letters 66 (1999), S. 55-62 
    Details
    ISSN: 1588-2837
    Keywords: Oxidation of sulfides ; kinetics ; higher Co oxide IR ; XPS ; reaction mechanism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Low-temperature heterogenous oxidation of sulfide ions on a higher Co oxide system in aqueous medium has been studied. The effects of pH, temperature and catalyst amount on the kinetic parameters as well as on the selectivity of the oxidation process were investigated. An oxidation mechanism has been proposed based on the results of kinetic investigations and on the data obtained by IR and XPS spectroscopic studies of Co oxide before and after sulfide ion oxidation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02475741
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Low-Temperature Catalytic Oxidation of Sulfide Ions in Aqueous Solutions on a Ni-Oxide System (2000)
    Springer
    Reaction kinetics and catalysis letters 70 (2000), S. 139-145 
    Details
    ISSN: 1588-2837
    Keywords: Oxidation of sulfides ; kinetics ; Ni-oxide system ; reaction mechanism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Catalytic oxidation of sulfide ions in aqueous solutions by air oxygen has been investigated using a Ni-oxide system as a catalyst. The kinetics and the selectivity of the oxidation process were studied by varying the pH, catalyst amount and reaction temperature. A reduction/oxidation mechanism of the reaction has been supposed comprising interaction between the surface active oxygen of the catalyst and HS− and reoxidizing of the reduced catalyst by the dissolved oxygen. The results obtained show that the Ni-oxide system is a promising catalyst for practical application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010379103089
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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