PTQ Q3 2025 Issue

Q3 (Jul, Aug, Sep) 2025 www.digitalrefining.com ptq PETROLEUM TECHNOLOGY QUARTERLY

3 Expand product diversity with hydrocracking Rene Gonzalez 5 ptq&a 15 Importance of side strippers in crude distillation unit operations Soun Ho Lee Valero Energy Corporation 23 Accelerating adoption rates of chemical recycling Olav Stadaas and Linnéa Petersson Quantafuel Niklas Jakobsson ChemAcc AB Guillaume Vincent, Lucas Dorazio, Melissa Clough Mastry, and Bilge Yilmaz BASF 30 Efficient separation technologies Victor Scalco General Atomic Electromagnetic Systems Clifford Avery Ketjen 35 Silicon trap unleashed for coker naphtha processing Xavier E. Ruiz Maldonado and Christian Frederik Weise Topsoe 41 Engineering the next step in absorber efficiency and capacity Anh Do Thi Viet, Ton Schlief, and Karl Stephenne Shell Catalysts & Technologies 47 Digital twin corrosion monitoring for CDU overhead systems Jagadesh Donepudi, Michelle Wicmandy, and Ashok Pathak KBC (A Yokogawa Company) 53 Plantwide AI optimisation and beyond Travis Legrande Big West Oil LLC Mitchell McCloud Imubit 59 Wash oil and emulsion breaker selection in ethylene production Jorge Alfonso Garcia Mascareñas and Jorge Cabrera Braskem Idesa, S.A.P.I. Baltazar Suarez Vargas and Joice Gorete Boll Dorf Ketal Chemicals 65 Enhancing solvent system efficiency Sergio A. Robledo UNICAT Catalyst Technologies, LLC 71 Mitigating fouling in crude distillation columns Abhijit Gogoi Nayara Energy Limited Neil Sandford and Sandeep Yadav Koch-Glitsch 79 Operator performance advances enable safer operations David Lee User Centered Design Service, Inc. Tim Olsen Emerson Automation Solutions 85 When dynamic relief calculations give unexpected results Ben Leviton and Harry Z Ha Fluor Canada Ltd. 93 Combating iron poisoning in FCC catalysts Yali Tang, Luis Murillo, Antoinette Bates, Jeremy Mayol, Jarred Drewry, Xunhua Mo, Marie Goret-Rana, and Mehdi Allahverdi Johnson Matthey 101 Reproducibility of high throughput hydrocracking catalyst testing Giada Innocenti, Jochen Berg, Kai Dannenbauer, Felix Hilpert, Ioan-Teodor Trotus, and Jean-Claude Adelbrecht hte 106 Technology In Action Rethinking safety in reactor maintenance Johnson Screens Bringing hydrotreating units online after catalyst change-out Evonik Catalysts

Cover Magnetic mastery: the filtration revolution of MagAFS UNICAT Catalyst Technologies, LLC

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