www.chemengonline.com June 2022 Cover Story 26 Improve Energy Efficiency Using Heat Pumps Heat pumps are an efficient way to provide space and process heating. Information on their types, and how to assess their potential benefits, is offered here In the News 5 Chementator Relaunching a process that uses 100% H2 for the direct reduction of iron ore; Recycling bauxite residues and electrowinning iron; Integrated technologies enhance 'green' ammonia economics; Scaleup project for simultaneous carbon capture and conversion; New catalyst poised to re-shape ethanol-to-ethylene conversion; and more 10 Business News Petrobras to construct new diesel hydrotreating unit at Replan refinery; Phillips 66 makes progress to convert refinery into renewable fuels facility; Orion to build new production plant for acetylene-based conductive additives; Linde to increase U.S. helium supply with plant in Texas; and more Volume 129 | no. 6 26 12 Newsfront New Membranes Support Sustainability Trends Advances in membrane technologies allow processors to expand into gas- and water-separation applications more effectively and efficiently Technical and Practical 23 Facts at your Fingertips Clean-in-Place Systems This one-page reference provides information on CIP system equipment and operating considerations for bioprocessing facilities 24 Tower Doctor Can Trash Interfere with a Cure? Henry Kister shares lessons gained from troubleshooting distillation towers 32 32 Feature Report An Ounce of Prevention: Cybersecurity and the CPI As the frequency and sophistication of industrial cyberattacks continue to rise, CPI companies can follow guidance from industry and government directives to help define their organizations' specific cyber-risk profile 37 Engineering Practice Valve Actuator Selection Guide Information provided here can help guide the selection of valve actuators that are best suited to the demands of a particular chemical processing application 5 37 CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM JUNE 2022 1http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM