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A process for the conversion of a hydrocarbon load containing paraffin, naphthene and aromatic hydrocarbons having 5 to 12 carbon atoms into aromatic compounds, which entails contacting the load with a catalyst under temperature and pressure conditions to produce the aromatic compounds, the catalyst

A process for the conversion of a hydrocarbon load containing paraffin, naphthene and aromatic hydrocarbons having 5 to 12 carbon atoms into aromatic compounds, which entails contacting the load with a catalyst under temperature and pressure conditions to produce the aromatic compounds, the catalyst containing:

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[ We claim:] [1.] A process for the conversion of a hydrocarbon load containing paraffin, naphthene and aromatic hydrocarbons having 5 to 12 carbon atoms into aromatic compounds, comprising contacting said load with a catalyst under temperature and pressure conditions to produce said aromatic compou

[ We claim:] [1.] A process for the conversion of a hydrocarbon load containing paraffin, naphthene and aromatic hydrocarbons having 5 to 12 carbon atoms into aromatic compounds, comprising contacting said load with a catalyst under temperature and pressure conditions to produce said aromatic compounds, wherein the catalyst comprises:a matrix consisting of 0 to 100% by weight of .eta. transition alumina, the remaining weight percentage of the matrix, up to 100%, consisting of .gamma. transition alumina, and at least one doping metal selected from the group consisting of alkali metals and alkaline-earth metals,at least one halogen selected from the group consisting of fluorine, chlorine, bromine and iodine, andat least one noble metal selected from the platinum group, andat least one promoter metal selected from the group consisting of tin, germanium, indium, gallium, thallium, antimony, lead, rhenium, manganese, chromium, molybdenum and tungsten,said catalyst having previously been hydrothermally treated at a temperature of 300 to 1,000.degree. C. in a gaseous atmosphere containing steam, said atmosphere also comprising chlorine in a molar content of greater than 0 but no more than 20%.