Catalyst, Catalyst Support And Process For Hydrogenation, Hydroisomerization, Hydrocracking And/Or Hydrodesulfurization
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United States of America Patent
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app pub date -
Dec 2, 2011
filing date -
Apr 20, 2000
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Abandoned
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Abstract
Described are catalysts for the hydrogenation, hydroisomerisation, hydrocracking and/or hydrodesulfurisation, of hydrocarbon feedstocks, the catalysts comprising a substantially binder free bead type support material comprising 5 to 60 wt. % of at least one crystalline molecular sieve material and 40 to 95 wt. % of non-crystalline, non-zeolitic silica-alumina and a catalytically active component comprising precious metals. Also described are methods for making catalyst supports by the dropwise addition of an aqueous sol of inorganic salts of aluminum and silicon, having dispersed therein the crystalline molecular sieve material, through an oil-phase to a water phase, thus providing homogeneous beads that are obtained without a separate shape-forming step.
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