The production of “green” hydrogen via electrolysis is seen as a key decarbonization pathway for certain industry sectors, but its efficiency can be hampered by a number of factors, including the accumulation of gas bubbles on electrode surfaces within electrolyzers…
Conscientious operation and maintenance is critical for steam-generator system reliability. Here, important details for softening and reverse osmosis systems are explained and compared As steam generation technology and higher pressure and temperature boilers evolved in the 20th century, improved makeup-water-treatment…
Most existing carbon-dioxide removal (CDR) approaches have focused on air, but the volumetric concentration of dissolved inorganic CO2 in surface water is much higher (150X) than its concentration in the atmosphere. Removing CO2 from water could prove to be a…
Air classification of powdered materials offers a way to control particle size distribution in solids-handling operations. Information on key performance metrics and operating practices of size classification equipment is presented here The handling and processing of solid particulate materials are…
Breaking the stable carbon-fluorine bonds within per- and polyfluoroalkyl substances (PFAS) is one of the most significant challenges in mitigating persistent PFAS pollution. The Hydrothermal Alkaline Technology (HALT; diagram), invented at the Colorado School of Mines (Golden, Colo.; www.mines.edu) and…
Energy- and carbon-intensive, steel production is categorized as one of the most “hard-to-abate” industries, making the scaleup of decarbonization technologies crucial not only for steelmakers themselves, but for every downstream industry in the supply chain Responsible for some 9% of…
This month’s column gives a brief overview of the Chemical Engineering brand. While long-term readers need no introduction to the magazine, newer readers might be interested in the history of the magazine and what we cover. Perhaps even long-term readers…
The Powtech Technopharm exhibition (Sept. 23–25; Nuremberg, Germany) highlights all types of technologies for processing powders, solids and liquids. This year’s event boasts an exhibit hall and technical forums, all supporting interdisciplinary dialogues and hands-on technology demonstrations. The following are…
Pyrolysis has received much attention as a technology capable of breaking down waste plastics in recycling processes, but existing pyrolysis approaches often give rise to products with broad molar mass distributions and poor yields. Catalysts can improve yield and selectivity,…
GEA (Düesseldorf, Germany; www.gea.com) is supplying Chugai Pharmaceutical in Japan with a cutting-edge pharmaceutical spray dryer designed and built to meet the highest containment standards. The PSD-3 spray dryer was successfully commissioned in the first quarter of 2025 and represents…