www.chemengonline.com February 2021 Cover Story 28 Unlock the Energy Potential of Your Plant By exploring strategies for process integration, such as waste-heat recovery and combined-heat-and-power generation, plants can significantly improve their energy efficiency and reduce utility costs In the News 4 Chementator A microreactor for continuous formation of Grignard reagents; Nanoscale uniformity of desalination membranes; Metal-oxide nanocrystals have applications in lubrication and electronics displays; Extracting zinc from flyash; A major project targets sustainable urea production; and more 10 Business News Linde to build world's largest PEM electrolyzer in Germany; Total and Engie to develop France's largest green hydrogen site; LanzaTech and SkyNRG to build Europe's first ethanol-to-SAF plant; PPG acquires coatings specialists Versaflex and Wörwag; and more 12 Newsfront New Offerings Aid Heat Exchanger Design and Operation New offerings, including software products, consulting services and training, provide support for improving heat exchanger design and operation Technical and Practical 24 Facts at your Fingertips Temperature Influences on Rupture Disk Burst Pressure This one-page reference provides an overview of the influence of temperature on rupture disk selection and performance 34 26 Technology Profile Production of Butyl Acrylate from Acrylic Acid and Butanol This one-page process summary describes the production of butyl acrylate from acrylic acid and butanol 34 Feature Report Protecting Steam Systems from Corrosion Steam and condensate-return systems can be susceptible to unique forms of corrosion. This overview explains how to prevent or minimize such issues 40 Environmental Manager Area Electrical Classification in Research Applications: Is it the Only Mitigative Choice? Area electrical classification is a powerful tool for process safety. It is not, however, the only viable approach to a safe process CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM FEBRUARY 2021 1 40 4 Volume 128 | no. 2 28http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM