Flashing occurs when the pressure of a fluid passing through a valve is lower than the same substance’s vapor pressure. This causes the fluid to boil — otherwise known as “flashing.” “By reducing flow capacity and eroding the valve itself,…
When searching for catalysts for the energy transition, materials consisting of at least five elements — so-called high-entropy alloys (HEAs) — are considered highly promising. But to find the right combination of elements and composition ratios needed for the best…
The production of substitute (or synthetic) natural gas (SNG) by methanation of CO2 with hydrogen is energy intensive and also requires a purification step to remove the byproduct water and remaining reactants. To address these issues, researchers at The Swiss…
Recovering valuable metals, such as cobalt and nickel, from used lithium-ion batteries is emerging as a key capability because of anticipated high battery demand and material shortages. Researchers at Lawrence Berkeley National Laboratory (Berkeley, Calif.; www.lbl.gov) have developed a technology…
A new advanced recycling process simplifies the task of breaking down polymer chains and stabilizing the resulting fragments. The Hydrochemolytic technology (HCT), developed by Aduro Clean Technologies, Inc. (Sarnia, Ont., Canada; www.adurocleantech.com), involves processing waste plastic with water, an inexpensive…
Researchers at the U.S. Department of Energy’s (DOE; Washington, D.C.; www.energy.gov) Oak Ridge National Laboratory (ORNL; Oak Ridge, Tenn.; www.ornl.gov) have developed a hydrothermal-synthesis method for high-voltage lithium-ion battery cathodes that avoids several key issues with traditional battery processing. Key…
Chemical engineers from the Swiss Federal Institute of Technology Lausanne (EPFL; www.epfl.ch), in collaboration with scientists from Toyota Motor Europe (Zaventem, Belgium; www.toyota-europe.com), have invented a photoelectrochemical (PEC) “artificial leaf” that splits water vapor into H2. The technology features a…
For the first time, a quantum-computing-inspired tool has been used for catalyst discovery — specifically for the investigation of a new catalyst for the production of hydrogen via electrolysis. Created jointly by scientists from Fujitsu Ltd. (Tokyo; www.fujitsu.com) and the…
Blue Planet Systems (Los Gatos, Calif.; www.blueplanetsystems.com) and Sulzer Chemtech Ltd. (Winterthur, Switzerland; www.sulzer.com) have announced a partnership to accelerate development of Blue Planet’s process for mineralizing carbon dioxide gas into construction aggregate for concrete. By sequestering CO2 into the…
Production of ammonia by the Haber-Bosch process not only requires a lot of energy for the high-temperature (300–500°C) synthesis of NH3 itself, but the recovery of ammonia takes place by condensation at –20°C. As a result, large changes in both…