Process for the preparation of multi-branched paraffins

Details Process for the preparation of multi-branched paraffins Process for the preparation of multi-branched paraffins

C - Chemistry, Metallurgy

07

C

C07C 9/16 (2006.01) C07C 5/27 (2006.01)

Patent

CA 2135451

A B S T R A C T PROCESS FOR THE PREPARATION OF MULTI-BRANCHED PARAFFINS Process for the preparation of multi-branched paraffins comprising contacting a hydrocarbonaceous feedstock substantially boiling in the gasoline range which feedstock comprises linear paraffins having at least five carbon atoms in a first reaction stage in the presence of hydrogen and at elevated temperature and pressure with a first isomerisation catalyst which comprises a molecular sieve comprising pores with a diameter D1 and at least one Group VIII metal component to produce mono-branched paraffins, and subsequently contacting at least part of the effluent so obtained in a second reaction stage at elevated temperature and pressure and in the presence of hydrogen with a second isomerisation catalyst comprising pores with a diameter D2 and at least one Group VIII metal component to produce multi-branched paraffins, whereby D1/D2 is at most 1.

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