Patent ID: 6262327
Filing Date: 2001-07-17
Classification: C07C

Abstract:
A process for alkylation of an isoparaffin with an olefin comprising contacting an isoparaffin-containing feed with an olefin-containing feed in the presence of a catalyst, wherein said catalyst comprises 30-99 wt % porous support material and 1-70 wt % heteropoly acid having the following chemical formula:H.sub.k YW.sub.m Mo.sub.12-m O.sub.40.multidot.nH.sub.2 Owherein H is hydrogen atom, k is the number of hydrogen atoms, which is an integer of 3 or 4; Y is an atom selected from the group consisting of of P, Si, Ge or As; W is tungsten atom, m is the number of tungsten atoms, which is a positive integer between 0-12; Mo is molybdenum atom, 12-m is the number of molybdenum atoms; O is oxygen atom, n is the number of crystal water molecules, which is any number in the range of >0-10; the temperature of contacting the isoparaffin-containing feed with the olefin-containing feed in the presence of said catalyst is not lower than the critical temperature of the isoparaffin in the feed and at most 300.degree. C.; the pressure of said reaction is not lower than the critical pressure of the isoparaffin in the feed; and said isoparaffin is one or more isoparaffin selected from C.sub.4 -C.sub.7 isoparaffins.