Upgrading diene-containing hydrocarbons

Details Upgrading diene-containing hydrocarbons Upgrading diene-containing hydrocarbons

C - Chemistry, Metallurgy

07

C

260/688, 260/706

C07C 2/12 (2006.01) C07C 9/14 (2006.01) C07C 11/02 (2006.01)

Patent

CA 1291769

ABSTRACT A fluidized bed process for upgrading a diene containing hydrocarbon feed by adding cool feed to relatively hot catalyst. Preferably an olefinic feed with some C4-C6 diene component is sprayed as a liquid into a fluidized catalyst bed in a lower portion thereof and rapidly atomized and vaporized. The feed is converted to heavier hydrocarbons. Reaction severity preferably is controlled by adjusting catalyst acidity, reactor temperature and/or residence time to produce effluent containing propane:propene in the ratio of 0.2:1 to 200:1. A predominantly liquid product is recovered rich in olefins and/or aromatics.

557021

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