Patent ID: 7304198

Claim:
A method of alkylating a paraffinic feed stream, comprising: flowing a paraffinic feed stream in a microchannel; adding a first olefinic stream comprising a first olefin to the paraffinic feed stream in the microchannel at a first location; and adding a second olefinic stream comprising a second olefin to the paraffinic feed stream in the microchannel at a second location; wherein the second location is downstream of the first location; wherein the first olefin in the first stream reacts with the paraffinic feed stream in the presence of a first alkylation catalyst prior to the second location; wherein the second olefin in the second stream reacts with the paraffinic feed stream in the presence of a second alkylation catalyst; and wherein no catalyst is present at the second location, and wherein a solid catalyst is disposed between the first and second locations.