Chemistry of hydrocarbon compounds – Aromatic compound synthesis – Having alkenyl moiety – e.g. – styrene – etc.
Patent
1987-03-23
1988-01-05
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
Having alkenyl moiety, e.g., styrene, etc.
585906, C07C 402
Patent
active
047177810
ABSTRACT:
Unsaturated hydrocarbons may be prepared by subjecting a dehydrogenatable hydrocarbon to dehydrogenation in the presence of a dehydrogenation catalyst. The effluent stream from this step, comprising unconverted hydrocarbons, dehydrogenated hydrocarbons, hydrogen and steam, may then be passed to a selective oxidation step in which the hydrogen is selectively oxidized in the presence of an oxygen-containing gas to the substantial exclusion of the oxidation of the hydrocarbons. The oxidation catalyst which is employed will comprise a Group VIII noble metal, a Group IVA metal and a Group IA or IIA metal composited on a metal oxide support. The metal oxide support such as alumina will possess a particular configuration having one or more open channels such as a tubular or cartwheel particle having an outside to inside diameter ratio of the channels ranging from 1.1 to 8 and having a ratio of shape surface to catalyst volume greater than [4D+2L] in which D is the largest representative diameter of the particle and L is the length of the particle.
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Bricker Jeffery C.
Bricker Maureen L.
Chao Tai-Hsiang
Imai Tamotsu
Davis Curtis R.
McBride Thomas K.
Spears Jr. John F.
Tolomei John G.
UOP Inc.
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