Chemistry of hydrocarbon compounds – Adding hydrogen to unsaturated bond of hydrocarbon – i.e.,... – With preliminary diverse conversion
Patent
1984-08-02
1985-06-11
Gantz, D. E.
Chemistry of hydrocarbon compounds
Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...
With preliminary diverse conversion
585252, 585654, 585315, 585324, 585259, 585262, C07C 500
Patent
active
045230455
ABSTRACT:
A process is disclosed for the production of linear olefinic hydrocarbons. A feed stream of paraffins is fed to a catalytic dehydrogenation reaction zone. Liquid phase hydrocarbons withdrawn from the dehydrogenation reaction zone are passed through a diolefin selective hydrogenation zone. The effluent of the hydrogenation zone is stripped of light ends and passed into an olefin separation zone, which preferably employs a selective adsorbent. The paraffinic effluent of the separation zone is recycled to the dehydrogenation zone. The paraffinic recycle stream contains some monoolefins, but is essentially free of diolefins. Dehydrogenation catalyst life is lengthened by elimination of diolefins in total charge to dehydrogenation zone. Product quality and yield is improved.
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Gantz D. E.
Page II William H.
Prezlock Cynthia A.
Spears Jr. John F.
UOP Inc.
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