Combination process for the conversion of heavy distillates to LPG

Claim 1

A PROCESS FOR THE CONVERSION OF HEAVY DISTILLATE HYDROCARBONS BOILING ABOVE 600*F. TO PRODUCE LPG, WHICH PROCESS COMPRISES THE STEPS OF: A. REACTING SAID HEAVY DISTILLATE IN A FIRST REACTION ZONE CONTAINING A CATALYTIC COMPOSITE COMPRISING A POROUS CARRIER MATERIAL, A GROUP V1-B METAL COMPONENT AND A GROUP V111 METAL COMPONENT AT HYDROCRAKING CONDITIONS SELECTED TO CONVERT THE HEAVY DISTILLATE INTO LOWER BOILING HYDROCARBONS, B. REACTING AT LEAST A PORTION OF SAID LOWER BOILING HYDROCARBONS IN A SECOND REACTION ZONE CONTAINING A CATALYTIC COMPOSITE COMPRISING A GROUP VIII METAL COMPONENT COMBINED WITH AN ALUMINA CARRIER MATERIAL CONTAINING A UNIFORM DISTRIBUTION OF FINELY DIVIDED MORDENITE PARTICLES WHICH CATALYTIC COMPOSITE IS PREPARED BY COMMINGLING SAID MORDENITE WITH AN ALUMINUM HALIDE SOL, GELLING THE RESULTANT MIXTURE THEN CALCINING THE GELLED MIXTURE WHEREIN SAID ALUMINA CARRIER MATERIA CONTAINS FROM ABOUT 20 TO ABOUT 30 WEIGHT ERCENT MORDENITE, AT HYDROCRACKING CONDITIONS SELECTED TO PRODUCE LPG, AND, C. RECOVERING SAID LPG FROM THE RESULTING FIRST AND SECOND ZONE REACTION ZONE EFFUENTS.