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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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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…

New two-level terminals for 4-mm2; cross-sections

This company has introduced new space-saving two-level terminals for rated wire cross-sections up to 4 mm². The compact PRKD 4 terminal blocks and the corresponding PSLD 4 PE terminals (photo) are available with two or three ports per level and…

Twin-screw pump for conveying and cleaning

This company launched a new generation of twin-screw pumps for food, beverage and pharmaceutical applications that combine both the conveying and cleaning functions in one pump. The revamped Hilge Novatwin+ twin-screw pump (photo) is more powerful than its predecessor series,…

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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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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…

Focus on Compressors, Fans & Blowers

Scroll compressors for sensitive work environments This company has re-issued its EO Series of scroll compressors (photo) and expanded its performance range to 30 kW. The EO Series is very popular in sensitive work environments, such as when there is…

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Proactive Industrial Hose Maintenance

Proper hose maintenance can prevent failures, increase profitability and improve safety Deciding when to change industrial hoses is a common challenge facing plant managers and engineers — and it is a challenging decision for good reason. If plant managers wait…

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Facts At Your Fingertips: Bolted Flange Joint Assemblies

Flange-bolted joints enable connections of singular segments of pipes into more complex sections, as well as joining measuring and process devices, such as flowmeters, pumps, fans and pressure vessels. These joints are potential sources of leakage, which can introduce safety…