Chementator
Novel catalyst for transforming polyethylene into lubricants and waxes
Efficient upcycling of post-consumer plastics, such as polyethylene (PE), is a key sustainability objective. New research by a team at Argonne National Laboratory (Argonne, Ill.; www.anl.gov) and Ames Laboratory (Ames, Iowa; www.ameslab.gov) has resulted in a novel catalyst material that…
Electro-swing adsorption separates CO2 from mixed gases at any concentration
Effectively separating carbon dioxide from combustion exhaust or directly from air is essential for realizing net reductions in greenhouse-gas emissions, but existing technologies for CO2 capture (such as CO2-scrubbing with amines), involve parasitic energy losses, which make carbon-capture economics unfavorable.…
Machine learning helps achieve a five-fold boost in formaldehyde yield
Chemistry professor Oliver Trapp and his colleagues at the Ludwig Maximilians-Universität München (LUM; Germany; www.en.uni-muenchen.de) have developed a new workflow for the production of formaldehyde, which is based on an algorithm constructed with the aid of machine learning (ML), optimization…
Modifying waste biomass to catalytically degrade pollutants
Sewage and wastewater often contain pollutants and environmental hormones (endocrine disruptors) that can have a negative effect on the environment and on human health. Catalysts currently used to destroy such pollutants involve high costs. And up to now, research has…
Chementator Briefs
Natural wax coating Researchers from Aalto University (Finland; www.aalto.fi) have developed a new way of making garments water-resistant, without using toxic chemicals. The treatment is non-toxic, and does not impair breathability. The coating uses carnauba wax from Brazilian palm-tree leaves.…
Rechargeable MnO2-Zn batteries with a higher voltage
Researchers at the City University of New York Energy Institute (ccny.cuny.edu) have developed a low-cost battery based on manganese dioxide and zinc that reaches voltages of greater than 2 V, a first-time achievement that could allow batteries with these low-cost…
A control valve with built-in flowmeter
On September 19, Focus-On (Dordrecht, the Netherlands; www.focus-on-process.com) — a new, 50:50 joint-venture (JV) of Samson AG (Frankfurt am Main; www.samson.de) and Krohne GmbH & Co. KG (Duisburg, both Germany; www.krohne.com) — introduced its new “intelligent process node,” a device…
A new platform for atmospheric monitoring
Scientists at Nanyang Technological University (NTU; Singapore; www.ntu.edu.sg) have developed a device for atmospheric monitoring that can identify a wide range of airborne gases and chemicals instantly. The prototype device is portable and suitable for rapid deployment by agencies to…
Making chemicals by artificial photosynthesis
Last month, Evonik Industries AG (Essen, Germany; www.evonik.com) and Siemens AG (Munich, both Germany; www.siemens.com) launched a second phase of their joint research project, Rheticus II, which aims to develop a test plant that will use CO2 and water, as…
Reducing emissions from the manufacturing of carbon fibers
Carbon fibers are typically fabricated by the oxidation of a polymeric fiber, such as polyacrylonitrile (PAN) at 200–300°C, which generates a large amount of exhaust air containing several hundred parts per million (ppm) of hydrogen cyanide and ammonia. This is…