Coated catalysts useful for the hydrogenation of maleic...

Details Coated catalysts useful for the hydrogenation of maleic... Coated catalysts useful for the hydrogenation of maleic...

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B01J 37/02 (2006.01) B01J 21/00 (2006.01) B01J 23/00 (2006.01) B01J 23/80 (2006.01) B01J 23/86 (2006.01) C07D 307/08 (2006.01) C07D 307/33 (2006.01) C07D 315/00 (2006.01)

Patent

CA 2018370

DPY-P-2638 ABSTRACT Tetrahydrofuran and gamma-butyrolactone are prepared from at least one of maleic anhydride or succinic anhydride by catalytically hydrogenating vaporous maleic anhydride or vaporous succinic anhydride in the presence of hydrogen in contact with a catalyst comprising an essentially inert, at least partially porous support having an outer surface, and a catalytically active oxide material coating onto the outer surface of the support which strongly adheres to the support, wherein the catalytically active oxide material comprises the mixed oxides of copper, zinc and aluminum. Applns/AU0

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