Hydrogenation of 2-methyl-1-buten-3-yne over raney nickel
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The mechanism of the hydrogenation of 2-methyl-1-buten-3-yne over Raney nickel was studied.
2-Methyl-1-buten-3-yne is hydrogenated nonselectively. The isopentane formed in the first stage of the process and part of the isoamylenes are formed directly from 2-methyl-1-buten-3-yne without passing through the intermediate stage of the desorption of isoprene into the bulk liquid phase.
Isoprene is displaced to a considerable extent from the catalyst surface by 1-pentyne and by 2-methyl-1buten-3-yne.
KeywordsHydrogenation Nickel Liquid Phase Catalyst Surface Isoprene
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