Abstract: The PS-Ⅷ high-density continuous reforming catalyst developed by SINOPEC Research Institute of Petroleum Processing Company, Limited has undergone industrial tests and long-term operation assessments in the 1.2 Mt/a continuous catalytic reforming (CCR) unit of SINOPEC Jiujiang Company, and has been evaluated under different case in a 3.2 Mt/a large-scale CCR unit of Petrochemical Company Z. The results showed that 1.2 Mt/a continuous reforming unit of Jiujiang Petrochemical Company, achieved 25% increase in capacity by upgrading to the PS-Ⅷ catalyst, with all performance indicators exceeding the guarantee in the technical proposal. The PS-Ⅷ catalyst maintained excellent physical and chemical properties and reaction performance after four years of operation, demonstrating its capability for long-term operation. The operational results of the PS-Ⅷ catalyst in the large-scale CCR unit of Petrochemical Company Z. indicated that the aromatics yield, hydrogen yield, and catalyst consumption could meet the guarantee in the technical proposal when the load rates reached 104% and 112%. The PS-Ⅷ high-density catalyst can fully meet the operation requirements of large-scale CCR units.

Key words: continuous catalytic reforming, PS-Ⅷ, high-density catalyst, long-term, large-scale