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  • 1
    Electronic Resource
    Electronic Resource
    Selective synthesis of C2-C4 hydrocarbons from CO + H2 on composite catalysts (1993)
    Springer
    Catalysis letters 22 (1993), S. 179-187 
    Details
    ISSN: 1572-879X
    Keywords: Cu-Zn-Al catalyst ; hybrid catalyst ; hydrotalcite ; methanol synthesis ; synthesis of C2-C4 hydrocarbons ; zeolites
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A copper-zinc-aluminum methanol synthesis catalyst has been prepared using a precipitated hydrotalcite-type precursor that decomposes to a mixture of the corresponding amorphous oxides at a low temperature. TPR studies show that such a mixture is easy to reduce giving a highly dispersed catalyst. When this is mixed with a zeolite, the resulting hybrid catalyst gives C2-C4 hydrocarbons with very high selectivity. This may be useful in obtaining LPG from synthesis gas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00810364
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On modelling stratospheric positive ions (1988)
    Springer
    Journal of atmospheric chemistry 6 (1988), S. 175-183 
    Details
    ISSN: 1573-0662
    Keywords: Stratosphere ; spherical probe ; recombination coefficient ; ion-composition ; ion density ; exothermic reaction ; Gerdien condenser
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract There has been a considerable improvement in the knowledge of stratospheric positive ion chemistry during the last decade. Results of several in-situ measurements of ion composition have been reported. Total ion density has also been measured with greater accuracy. In this work, theoretical study has been made to reproduce the main features of the above observations. Difficulties encountered in such studies are discussed. Finally models of total ion density and ion composition are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00053853
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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