PTQ Q4 2026 Issue

Q4 (Oct, Nov, Dec) 2026 www.digitalrefining.com ptq

3 Predicting profitability in 2027 Rene Gonzalez

5 ptq&a

11 Mitigation of ammonium chloride salt formation in FCC main fractionator Adilson Cavalheiro Borges Gutierres FCCSA Carlos Alberto Rivera Corredor and Manuel Julian Ardila Pimiento Ecopetrol Eric Rutan and Cliff Avery Ketjen Corporation

16 When an alternative constraint steals the spotlight Jeff Maday KBC (A Yokogawa Company)

23 Overcoming refractory nitrogen challenges in ULSD hydrotreating Xavier E. Ruiz Maldonado Topsoe North America

35 Recovering steam cracker efficiency Scott Donson IGS TubeTech

43 Enhancing amine unit reliability in undergoing refinery transformation Lorenzo Spagnuolo Dow 49 Integrating refining with chemicals, petrochemicals, and fertilisers Sabrin Khan and Chiranjib Haldar Genesis, Technip Energies India Limited 57 AI/ML-driven process upset analytics: C3 splitter case NC Chakrabarti, Akalesh Tiwari, Manish Biswal, Sougat Das, Balamurugan Mohan, and Jesse Mallhi Reliance Industries Limited

67 From inerts to efficiency: Hybrid SRU designs Debopam Chaudhuri, Ayan Dasgupta, and Akanksha Pandey Fluor 75 Selection method for motor restart in petrochemical plants Wang Xin and Li WenPing CTCI Beijing

81 Monetising biomass-to-SAF investments Kristine Klavers EcoEngineers 85 Identifying patterns in recent refinery incidents Manya Novari Kagera Technologies

89 The real work begins after the alarm Dinesh Varadharajan Kissflow

Cover The Jamnagar Manufacturing Division (JMD), owned and operated by Reliance Industries Limited, houses two co-located refineries with a combined processing capacity of 1.4 million barrels per day. Courtesy: RIL

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