Method of preparing high purity alumina containing catalysts

Details Method of preparing high purity alumina containing catalysts Method of preparing high purity alumina containing catalysts

B - Operations, Transporting

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260/687, 252/51.

B01J 31/02 (2006.01) B01J 23/85 (2006.01) B01J 27/02 (2006.01) B01J 27/053 (2006.01) B01J 37/00 (2006.01) C07C 4/20 (2006.01)

Patent

CA 1091642

ABSTRACT OF THE INVENTION Steam dealkylation of alkyl aromatic hydrocarbons such as toluene, may be effected by contacting hydrocarbon at 600°F-950°F and 0-400 psig and steam to hydrocarbon ratio of 2-25:1 with a activated supported catalyst containing typically nickel, chromium, and potassium on an alumina support - the alumina support having been prepared from a high purity inactive alumina by addition thereto of small amounts of sulfate ion.

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