Attrition resistant gamma-alumina catalyst support

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Reexamination Certificate

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C423S626000, C502S355000

Reexamination Certificate

active

07011809

ABSTRACT:
A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic material thereto, calcining the treated γ-alumina.

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