www.chemengonline.com August 2021 Cover Story 26 Time and Length Scales of Mixing: The Macro Scale Successfully scaling up a mixing process involves understanding several important timescale parameters that can impact chemical reactions and equipment performance In the News 5 Chementator Anti-biofouling coating for desalination membrane extends lifetimes; Recovering carbon black from waste tires; Piloting a process that makes hydrogen and carbon from methane; This sustainable, supercharged catalyst cleans up mold; Collect more solar energy and waste heat for process water heating; and more 11 Business News Chemours breaks ground on $93-million mining facility in Florida; Vynova to build potassium carbonate plant in Belgium; Shell starts up 10-MW green-hydrogen plant in Germany; Haldor Topsoe to build catalyst plant in Texas; and more 26 13 Newsfront Electric Vehicles Expand Performance Polymer Properties Higher-volume production of batterypowered vehicles is driving the development of high-performance polymers with improved properties to meet the needs of electric propulsion Technical and Practical 16a Facts at your Fingertips Digitalization of Heat Transfer Fluid Systems This one-page reference provides information on the benefits of setting up digitally enabled heat transfer fluid systems 17 Technology Profile Production of Nitrogen This one-page summary describes the industrial process for generating nitrogen gas from air 13 34 Feature Report Hydrogen Piping Systems: Mitigating Pitfalls by Design This overview presents guidance for the safe design of piping systems that are used for the distribution of hydrogen gas 42 Environmental Manager Hazardous Materials: What to do When Disaster Strikes Detailed plans for handling hazardous materials should be a central part of any chemical plant's disaster preparedness plan 5 Volume 128 | no. 8 34 CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM AUGUST 2021 1http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM