Doped Pd/Au shell catalyst, method for producing the same and use thereof
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United States of America Patent
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Nov 19, 2013
Grant Date -
Oct 28, 2010
app pub date -
May 30, 2008
filing date -
May 31, 2007
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Abstract
A shell catalyst for producing vinyl acetate monomer (VAM), comprising an oxidic porous catalyst support, formed as a shaped body, with an outer shell in which metallic Pd and Au are contained. To provide a shell catalyst for producing VAM which has a relatively high activity and can be obtained at relatively low cost, the catalyst support is doped with at least one oxide of an element selected from the group consisting of Li, P, Ca, V, Cr, Mn, Fe, Sr, Nb, Ta, W, La and the rare-earth metals.
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