AUGUST 2021 | Volume 100 Number 8 HydrocarbonProcessing.com 75 8 SPECIAL FOCUS: VALVES, PUMPS AND TURBOMACHINERY 15 Online treatment of a slide valve fault in an FCCU G. Ruibo, P. Wei and L. Yansheng 19 Case study: Reliability of low-flow, high-head pumps M. Badughaish 23 Keeping fugitive emissions costs down with low-E valves S. Hunsicker 27 Dual-mechanical seal arrangement for hot pump service S. Zardynezhad 31 PSV sizing: An alternative solution to the homogeneous direct-integration method H. Hojjati and B. Hojjati PROCESS OPTIMIZATION 39 MAA refinery-Bunker fuel oil challenge: Stable and compatible VLSFO production M. B. Matar, A. A. Mane and M. Rajendran 45 Aromatic complex: A case study for relief load estimation of a heat integrated refinery unit J. Saha and S. Chaudhuri 49 Prospects of petrochemical disruptive technology applications in Egypt Energy Hub Project A. A. Ezzat PLANT DESIGN, ENGINEERING AND CONSTRUCTION 53 Oil refinery/petrochemical integration in a CO2 F. Baars, S. Oruganti and P. Kalia HYDROGEN 57 Advances in chemical carriers for hydrogen R. V. Schneider, D. Kurosaki and M. Oki MAINTENANCE AND RELIABILITY 65 Continuous monitoring of creep in equipment F. D'Antonio HEAT TRANSFER 67 Spiral heat exchanger technology A. B. Alhazemi and S. B. Alharbi 71 Embrace tube metal temperature factor (FT K. Batra and N. Agarwal ) in fired heater design DIGITALIZATION 75 Control software drives sustainable performance and production S. Sims -constrained world-Part 2 12 Reliability ARC spring dampers eliminate compressor instability WEB EXCLUSIVE People Cover Image: A steam turbine rotor receiving new seals and blades in the Stork workshop in Essen, Germany. Photo courtesy of © Stork Technical Services. DEPARTMENTS 4 Industry Perspectives 8 Construction 11 Global Project Data 78 Innovations 81 Advertiser Index 82 Events COLUMNS 7 Editorial Comment Advancing ideas and best practices by learning from othershttp://www.HydrocarbonProcessing.com