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The possibility and feasibility of using supercritical fluid СО 2 extraction process have been investigated and described in the book as part of the task of spent catalysts regeneration. The analysis of deactivating compounds has been carried out for industrial catalysts such as: 1) palladium catalyst G-58E of ethane-ethylene fraction hydrogenation; 2) nickel/kieselguhr catalyst of process of separating acetylenic compounds from isoprene; 3) active aluminum oxide catalyst of methyl phenyl carbinol dehydration process; 4) palladium catalyst LD-265 of hydrocarbons hydrogenation process; 5) nickel-molybdenum catalysts DN-3531

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Results of research of supercritical fluid CO2-impregnation process (the static mode) within a problem of synthesis of the palladium catalyst are given. The kinetics of process is characterized in the pressure range from 15.0 to 35.0 MPa on temperatures 308.15˚K, 313.15˚K, 318.15˚K, 323.15˚K, 328.15˚K and 333.15˚K. Results of surface assessment and activity measurements of the catalyst samples synthesized by supercritical СO2-impregnation of aluminum oxide suggest competitiveness of the discussed approach in comparison to traditional methods.

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