www.chemengonline.com September 2022 Cover Story 34 Burner Technologies and Concepts: Meeting Emissions-Reduction Goals To meet bold sustainability targets, new burner technologies and control configurations are being developed to help significantly reduce NOx emissions In the News 5 Chementator Extracting pressurized hydrogen from ammonia, methane and biogas; Zero-CO2 ethane cracker technology is available commercially; Energy costs cut by 50% for highstrength aluminum alloys; Print the filter shape needed; A step closer to transition-metal catalysis with aluminum; and more 11 Business News Evonik's Coating Additives business expands production capacity in Taiwan; BASF announces U.S. capacity expansion for specialty pyrrolidones; Indorama and Capchem considering new plant for LIB solvents in the U.S.; Stratasys to acquire Covestro's additive manufacturing business; and more Volume 129 | no. 9 34 13 Newsfront New Software Capabilities with Digitalization Latest software combines best of traditional physicsbased and empirical approaches with advanced digitalization technologies Technical and Practical 25 Facts at your Fingertips Heat-Transfer-Fluid System Venting This one-page reference provides information on venting heat-transfer-fluid systems 31 Facts at your Fingertips Gas Dispersion in Liquids This one-page reference provides information on injecting gases through a diffuser into a liquid, an operation with several applications in the CPI 32 Tower Doctor Downcomer Unsealing: A Correct Diagnosis Brings a Correct Cure Henry Kister shares stories of troubleshooting distillation columns 40 40 Feature Report Part 1 Selection Guide for SolidsDrying Systems Information provided here offers a basic primer on the features and function of dryer types, with a focus on fluidized-bed dryers, for moisture control in industrial operations 13 5 CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM SEPTEMBER 2022 1http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM