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A new electrolyzer system makes propane from CO2
     Electrolyzers are typically associated with the production of “green” hydrogen from water and renewable electricity, but a new device borrows from traditional electrolyzer principles to convert CO2 into propane. A team of researchers from the Electrochemical Energy Materials and Devices Laboratory (e2MDLab) at Illinois Institute of Technology have developed a new catalyst material to target the production of C3 products — using only CO2, water and electricity as inputs. MORE
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| Piloting a chemical-recycling process for polycarbonate plastics
Covestro AG has developed a chemolysis process for recycling polycarbonate back into monomers. In laboratory trials, the process has been shown to recycle waste streams with more than 50% polycarbonate content into monomers, closing the loop to a direct polycarbonate precursor. The technical implementation of chemical recycling is now beginning on a pilot scale at Leverkusen, where the process will be further optimized and will undergo further development. MORE
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A new, non-intrusive screening method shows promise for scaling up commercial production of a special class of graphene-based water sensors. The sensors are tailored for the detection of lead, mercury and E. coli in flowing water down to the parts-per-billion (ppb) or colony-forming unit (cfu) concentration. MORE
Seawater is being used in a new electrolysis scheme for carbon dioxide removal (CDR), while also producing hydrogen as a byproduct. Developed by Equatic, the platform draws seawater into a closed electrolysis system, taking advantage of the pH difference between the produced streams for efficient capture and storage of atmospheric CO2. MORE
Graphene has been touted as a “super” material, boasting ultra-high strength, superconductivity and many more superlative properties, but, as a planar two-dimensional material, its commercial use has been limited in terms of reactivity, since reactions can only occur at the material’s edges. Lyten has developed a proprietary reactor technology to produce three-dimensional graphene at scale from a methane feedstock, creating a new class of material that is more reactive and tunable for a wider variety of applications. MORE
Researchers at the Karlsruhe Institute of Technology have developed a new class of materials — enzyme foams. Normally, foaming modifies the enzyme structure and enzymes lose their biocatalytic activity. The new protein foams, however, are said to have “tremendous” stability and activity. To produce the protein foams, two dehydrogenase enzymes are mixed, which carry matching sites to spontaneously form a stable protein network. MORE
Construction is underway by AIR Co. for a commercial demonstration plant capable of converting captured carbon dioxide into fuel-grade paraffins, as well as ethanol and methanol, in a single step. The facility will be a larger version of a pilot plant the company has been running for the past two years in Brooklyn, N.Y. AIR’s power-to-liquids technology, known as AIRMade, is intended to be a single-step alternative for utilizing waste CO2 for production of hydrocarbon fuels and other industrial and consumer products. MORE
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