Catalysis 2025 Issue

catalysis ptq

3 Catalysts provide seamless integration Rene Gonzalez

5 catalysisq&a

2025 www.digitalrefining.com

15 Co-processing of chemical recycling products in FCC units To perform a techno-economic assessment it is important to determine the crackability and the yield structure effects of alternative feedstocks Rafael Orejas Contreras Repsol María Bescansa Leirós Grace GmbH & Co. KG Spain Nelson Olong and Stefan Brandt Grace GmbH 21 Advancing catalytic performance in hydrotreating: Part 1 Review of chemistry and catalysts determining performance in low- and medium-pressure distillate hydrotreating and FCC-PT Andrea Battiston Ketjen 31 Renewables Part 2: A focus on SAF Review of HEFA technologies as well as alcohol-to-jet and Fischer-Tropsch synthetic paraffinic kerosene processes and the impact of feedstock and process choices Woody Shiflett Blue Ridge Consulting LLC 37 Value of pre-activated catalyst in HEFA units Hydroprocessing units designed for fossil feedstocks cannot easily switch to HEFA feedstock processing without a solution that addresses the significant challenges Steve Mayo Eurecat 43 Can pyrolysis oil unlock greater plastic circularity? Combining pyrolysis and vapour-phase catalytic upgrading offers lower temperature and energy requirements, higher yields, and optimised product distribution and selectivity Markus Hartung Evonik Catalysts 48 Control points during the lifecycle of precious metal catalysts Key contractual factors can greatly influence metal value returns for precious metals spent catalysts Brad Cook Sabin Metal Corporation 53 Maximising hydrocracker performance and middle distillate production Combining high-quality materials and scalable low-cost catalyst manufacturing as a prerequisite to commercialise accessible USY zeolites Danny Verboekend Zeopore

58 Technology In Action Catalyst rejuvenation for greener hydroprocessing Jignesh Fifadara and Madeline Green Evonik

Cover: The BP Gelsenkirchen Hydrocracker unit, one of the most pivotal units in almost every refining facility’s operation. Courtesy: Kurita Europe GmbH

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