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Using waste plastic to simultaneously make graphene and hydrogen

Building off of a process to efficiently manufacture graphene (see Chem. Eng., April 2022, p. 9), a team of researchers from Rice University (Houston, www.rice.edu) have uncovered that the process can be easily altered to also produce a nearly pure…

Unipar modernizes chlor-alkali plant in Brazil with thyssenkrupp nucera technology

Unipar (São Paulo, Brazil) is modernizing its chlor-alkali plant at the Cubatão plant in Brazil by incorporating electrolyzers from thyssenkrupp nucera AG & Co. KGaA (Dortmund, Germany; ). To modernize the plant, the Brazilian chemical company, a leader in the…

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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…

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Scaled up facility under construction for single-step, CO2-to-fuels process

Construction is underway by AIR Co. (Brooklyn, N.Y.; www.aircompany.com) 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…

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Immobilizing enzymes as a stable, active foam

Researchers at the Karlsruhe Institute of Technology (KIT; Germany; www.kit.edu) 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…

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Piloting a chemical-recycling process for polycarbonate plastics

Covestro AG (Leverkusen, Germany; www.covestro.com) 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…

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Unlocking the commercial feasibility of graphene-based water sensors

A new, non-intrusive screening method developed by researchers from the Pritzker School of Molecular Engineering (PME) at the University of Chicago (pme.uchicago.edu), as well as Argonne National Laboratory (Lemont, Ill.; www.anl.gov) and the University of Wisconsin-Milwaukee (www.uwm.edu), shows promise for…

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Solar cells integrated into car hoods

In recent years, some car manufacturers have developed vehicles that integrate photovoltaic cells into the roof — the easiest surface to use for onboard solar-power generation. Now, researchers at the Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE; Freiburg, Germany;…

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Chemenator Briefs

Carbon Capture Membrane Technology and Research, Inc. (MTR; Newark, Calif.; www.mtrinc.com) Carbon Capture announced it has commenced construction of a large pilot plant at the Wyoming Integrated Test Center (ITC) in Gillette, Wyoming. When operational in 2024, it will be…

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Seawater electrolysis stabilizes and immobilizes atmospheric carbon dioxide

Seawater is being used in a new electrolysis scheme for carbon dioxide removal (CDR), while also producing hydrogen as a byproduct. Developed by Equatic (Los Angeles, Calif.; www.equatic.tech), the platform draws seawater into a closed electrolysis system, taking advantage of…