Dual function process for isomerization and ring opening of...

Details Dual function process for isomerization and ring opening of... Dual function process for isomerization and ring opening of...

C - Chemistry, Metallurgy

07

C

260/713.6

C07C 5/27 (2006.01) C07C 5/22 (2006.01) C07C 9/00 (2006.01)

Patent

CA 1292250

"DUAL FUNCTION PROCESS FOR ISOMERIZATION AND RING OPENING OF A FEED STREAM CONTAINING PARAFFINS AND CYCLIC HYDROCARBONS" ABSTRACT A C4-C6 feed containing low octane paraffins and substantial amounts of cyclic hydrocarbons is contacted with a high chloride, platinum alumina catalyst under conditions selected to simultaneously open cyclic hydrocarbon rings and isomerize paraffins to more highly branched paraffins in order to produce a highoctane product stream which has a relatively low cyclic content. The process canoperate at relatively low severity conditions that provide favorable equilibriumconditions for isoparaffin conversion. The ring opening is also obtained withoutexcessive generation of light hydrocarbons. Multiple stage reaction zones may beused to operate the first stage at slightly higher severity than the second stage to maximize ring opening and obtain favorable equilibrium of iso to normal paraffins.

584454

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