METHOD FOR PREPARING CATALYSTS FOR HETEROGENEOUS CATALYSIS BY MULTIPLE-PHASE IMPREGNATION, CATALYSTS AND USE OF SAID CATALYSTS

摘要

The invention relates to a method of impregnating said bi - phasic of a support at a high specific surface area, said process comprising at least the following steps: (a) a first impregnation step during which it is impregnated with at least once said support by a polar agent, (b) a second impregnation step during which it is impregnated with at least once said support by an agent b is less polar agent a.ce method allows the manufacture of new catalysts for heterogeneous catalysis.