Reaction kinetics and selectivity of dimethyl succinate hydrogenolysis over copper-based catalysts

Marc A. Kohler, Mark S. Wainwright*, David L. Trimm, Noel W. Cant

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)

    Abstract

    The vapor-phase hydrogenolysis of dimethyl succinate to yield 1,4-butanediol via the intermediate monoester has been studied over a range of copper-based catalysts. For all catalysts, the kinetics of the reaction were well described by a Langmuir-Hinshelwood-type model in which dissociatively adsorbed dimethyl succinate reacts with adsorbed molecular hydrogen. The differences in activity between the various catalysts were found to be related to the copper surface area and to the equilibrium constant for hydrogen adsorption KH. Zinc addition to the catalyst reduced both activity and selectivity compared to pure copper. The best selectivities and high activities leading to improved 1,4-butanediol yields were obtained using Raney copper and Raney copper-chromium catalysts.

    Original languageEnglish
    Pages (from-to)652-656
    Number of pages5
    JournalIndustrial and Engineering Chemistry Research
    Volume26
    Issue number4
    Publication statusPublished - 1987

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