Process for producing lead free motor fuel

Claim 1

A PROCESS FOR PRODUCING HIGH OCTANE NUMBER UNLEADED MOTOR FUEL STOCKS COMPRISING: PROCESSING REFINERY FEEDSTOCKS SELECTED FROM THE GROUP CONSISTING OF NATURAL GAS LIQUIDS AND CRUDE OIL TO OBTAIN A FIRST STREAM COMPRISING LIQUID HYDROCARBONS HAVING SIX CARBON ATOMS; FRACTIONATING SAID FIRST STREAM TO OBTAIN A SECOND STREAM COMPRISING HYDROCARBONS HAVING A BOILING POINT IN THE ISOHEXANE RANGE AND A THIRD STREAM COMPRISING HYDROCARBONS HAVING A BOILING POINT ABOVE THE ISOHEXANE RANGE; HYDROGENATING SAID THIRD STREAM TO OBTAIN A FOURTH STREAM COMPRISING SATURATED HYDROCARBONS HAVING SIX CARBON ATOMS; ISOMERIZING SAID FOURTH STREAM TO OBTAIN A FIFTH STREAM COMPRISING ISOHEXANE AND CYCLOHEXANE; FRACTIONATING SAID FIFTH STREAM TO OBTAIN A SIXTH STREAM COMPRISING CYCLOHEXANE AND N-HEXANE AND A SEVENTH STREAM COMPRISING ISOHEXANE; CONTACTING SAID SECOND STREAM COMPRISING HYDROCARBONS HAVING A BOILING POINT IN THE ISOHEXANE RANGE AND SAID SEVENTH STREAM COMPRISING ISOHEXANE IN A REFORMING ZONE UNDER REFORMING CONDITIONS IN THE PRESENCE OF STEAM IN THE PRESENCE OF A REFORMING CATALYST SELECTED FROM THE GROUP CONSISTING OF GROUP VIII METAL IN COMBINATION WITH A TIN-MODIFIED GROUP II METAL ALUMINATE; AND SEPARATELY RECOVERING FROM SAID REFORMING ZONE A MOTOR FUEL BLENDING STOCK HAVING AN ASTM RESEARCH OCTANE NUMBER OF AT LEAST 95.