December 2019 www.chemengonline.com 12 Profitability Metrics The Human Side of Digital Transformation Simulation Software Waste Treatment Thermodynamic Models Facts at Your Fingertips: Agglomeration Focus on Valves Production of Ethylene Oxide Tips for Tanks and Vessels page 34 TANKS AND VESSELS * PROFITABILITY METRICS VOL. 126 NO. 12 DECEMBER 2019 Chemical Engineering Buyer's Guide 2020http://www.chemengonline.com