Patent ID: 6635792
Filing Date: 2003-10-21
Classification: B01J,C10G

Abstract:
A process for producing aromatic hydrocarbon compounds and liquefied petroleum gas (LPG) from a hydrocarbon feedstock, comprising the following steps of:a) introducing hydrogen and a hydrocarbon feedstock with boiling points of 30-250Â° C. to at least one reaction zone; b) converting the hydrocarbon feedstock in the presence of a catalyst to aromatic hydrocarbon compounds which are abundant in benzene, toluene and xylene (BTX) through hydrodealkylation and/or transalkylation, and to non-aromatic hydrocarbon compounds which are abundant in LPG through hydrocracking within the reaction zone; and c) recovering the aromatic hydrocarbon compounds and LPG, respectively from the resulting products of said step b), through gas-liquid separation and distillation; wherein said catalyst comprises platinum/tin or platinum/lead and a mixture support consisting of 10-95 wt % of zeolite having a molar ratio of silica/alumina of 200 or less and 5-90 wt % of inorganic binder, said zeolite being selected from the group consisting of mordenite, beta type zeolite, ZSM-5 type zeolite and a mixture thereof, in which said platinum is present at an amount of 0.01-0.5 parts by weight, and said tin is present at an amount of 0.01-5.0 parts by weight or said lead is present at an amount of 0.02-5.0 parts, on the basis of 100 parts by weight of said mixture support.