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Selective production of MEG from CO2 in a single step

The startup company RenewCO2 (Piscataway, N.J.; www.renewco2.com) has developed a catalyzed electrochemical process for selectively producing monoethylene glycol (MEG) in a single step using byproduct carbon dioxide from other processes as feedstock. MEG is important industrially because it is the…

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World’s largest AEM electrolyzer launched in California

An emerging electrolyzer technology for renewable hydrogen production is the anion-exchange membrane (AEM), which provides efficiency and cost benefits over other electrolyzer configurations. Until now, most AEM installations have been small, as the membrane assemblies’ size and durability limited the…

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Chementator Briefs

Catalysts by AM In late September, BASF SE (Ludwigshafen, Germany; www.basf.com) introduced X3D, a new additive-manufacturing (AM; 3D printing) technology for shaping catalysts. Catalysts produced with this technology feature an open structure, resulting in a reduction of the pressure drop…

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Engineering duckweed to increase oil production

Scientists at the U.S. Dept. of Energy’s Brookhaven National Laboratory (BNL; Upton, N.Y.; www.bnl.gov) and collaborators at Cold Spring Harbor Laboratory (CSHL; Laurel Hollow, N.Y.; www.cshl.edu) have genetically engineered a strain of duckweed (Lemna japonica) to produce high yields of…

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Advancing Industrial Carbon Capture

An expanding array of CO2-capture approaches are quickly developing for hard-to-abate industrial sectors. The key objective is to significantly lower the costs of traditional CO2-capture techniques, which are based on aqueous alkanolamine absorption and desorption Achieving climate mitigation objectives, such…

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Carbonized polymer membrane exhibits improved performance, stability

Organic-solvent nanofiltration (NF) uses membranes with tiny pores to remove dissolved molecules. “Although NF is more energy efficient than alternative separation methods, such as distillation, the majority of polymer-based membranes exhibit poor chemical stability,” says Rifan Hardian, a post-doctoral researcher…

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Rare-earth recovery from magnet scrap is being scaled up

Rare-earth materials are a crucial part of high-performance magnets in many electronic devices. Right now, only about 5% of these magnets are recycled, but tapping into end-of-life electronics is a promising and more sustainable source for rare-earth materials, the vast…

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CO2 reduction aided by DNA

Electrochemically reducing carbon dioxide to carbon monoxide offers a pathway to use CO2 as a feedstock, but the reaction is challenging because it requires catalyst molecules and dissolved CO2 to meet on the electrode surface. One approach to help this…

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Engineering soybean plants to increase crop yield

For the first time, researchers have proven that multigene bioengineering of photosynthesis increases the yield of the major food crop soybean in field trials. An international collaborative team of the RIPE project (Realizing Increased Photosynthetic Efficiency), led by the University…

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Batteries not required for this smart gas mask

Researchers from Chung-Ang University (Seoul, South Korea; https://neweng.cau.ac.kr) have developed a triboelectric nanogenerator (TENG) that is operable via breathing and can, therefore, be integrated into gas masks. The device is capable of powering LEDs and Bluetooth trackers, and can monitor…