FIELD: oil refinery, petrochemical industry, catalytic cracking, isomerization, reforming, alkylation and dealkylation in particular. SUBSTANCE: catalyst is treated with thermal desorbing substances with acidity objectives and alkalinity in limits of 0 - 10, for example, hydrogen, ethanolamine, sulfuric acid, hydrochloric acid under temperature of process realization. EFFECT: improved quality of catalysts.
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