CATALYST OF THE GALLOALUMINOSILICATE TYPE CONTAINING GALLIUM, A NOBLE METAL OF THE PLATINUM FAMILY AND AT LEAST ONE ADDITIONAL METAL, AND ITS USE IN AROMATISING HYDROCARBONS

摘要

A COMPOSITE CATALYST CONTAINING: AN MFI ZEOLITE IN HYDROGEN FORM, THE FRAMEWORK CONTAINING AT LEAST ONE OF THE ELEMENTS SILICON, ALUMINIUM AND/OR GALLIUM; A MATRIX; GALLIUM; AT LEAST ONE NOBLE METAL OF THE PLATINUM FAMILY, AT LEAST ONE ADDITIONAL METAL SELECTED FROM THE GROUP MADE UP OF TIN, GERMANIUM, INDIUM, COPPER IRON, MOLYBDENUM, GALLIUM, THALLIUM, GOLD SILVER, RUTHENIUM, CHROMIUM, TUNGSTEN AND LEAD, AND POSSIBLY A COMPOUND SELECTED FROM THE GROUP MADE UP OF ALKALI AND ALKALINE EARTH METALS. ITS PREPARATION AND ITS USE IN REACTIONS FOR AROMATIZING HYDROCARBONS CONTAINING 2 TO 9 CARBON ATOMS PER MOLECULE.