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A new process for making screens

After eight years of R&D work, Inflotek B.V. (Beringe, The Netherlands; www.) is now commercializing a range of metal screens made with a proprietary, waterjet-cutting technology. Compared to conventional waterjet-cutting methods, Inflotek’s process can reliably make hundreds of perforations per…

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Winning copper from low-grade ore

India holds large reserves of low-grade sulfide copper ore containing 0.3 wt.% copper, which cannot be processed through conventional routes since the cut-off grade for treatment in concentrators is about 0.45 wt.%. India is in short supply of copper and…

Convert wastewater and CO2 into chemicals with this technology

Electrochemical and chemical-precipitation technology from New Sky Energy (Boulder, Colo.; www.newskyenergy.com) allows the conversion of salty wastewater and CO2 from fluegas into valuable process chemicals, such as soda ash, calcium carbonate, sulfuric acid, bleach and other chemicals. New Sky’s customizable…

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Base-catalyzed nucleophyllic additions with a modified zeolite

A new solid-state basic catalyst for forming carbon-carbon bonds has been developed by Masaru Ogura, an associate professor, and his research group at the Institute of Industrial Science, University of Tokyo (www.u-tokyo.ac.jp). The catalyst has been shown to accelerate the…

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Scaleup for a new delignification process

This month, Borregaard Industries Ltd. (Sarpsborg, Norway; www.borregaard.com) will start up an integrated, pilot-demonstration plant to further develop a new pretreatment process for converting biomass into lignin and fermentable sugars. Located at the company’s R&D Center in Sarpsborg, the pilot…

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A more sensitive sensor for ions in solution

A research team from the Institute for Photonics and Advanced Sensing, and the School of Chemistry and Physics, the University of Adelaide, South Australia (www.adelaide.edu.au) has combined suspended-core microstructured optical fibers (MOFs) with photoinduced electron transfer (PET) to demonstrate a…

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Iron-based catalyst shows promise for alkene hydrosilylations

A catalyst in which iron atoms are complexed with the ligand pyridine diimine (PDI) has shown promise as a replacement for high-cost platinum-based catalysts for industrial olefin-hydrosilylation reactions. Developed by the research group of Paul Chirik at Princeton University (www.…

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May Chementator briefs

Double-effect coating Researchers at the Leibniz-Instutut für Neue Materialien GmbH (INM; Saarbrücken, Germany; www.inm-gmbh.de) have developed a nanocomposite coating that simultaneously protects against corrosion while having lubrication properties similar to grease and oil. The new material is suitable for coating…

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Making structured carbon fibers from polyethylene

Researches at the U.S. Dept. of Energy’s Oak Ridge National Laboratory (ORNL; Oak Ridge, Tenn.; www.ornl.gov) are developing a process that makes carbon fibers with customized surface contours from polyethylene-based fibers. The patent-pending technique uses a combination of fiber-spinning and…

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Municipal solid waste is one feedstock for this bioethanol process

The technology surrounding a hydrolysis- and fermentation-based process that is capable of utilizing municipal solid waste (MSW) and biomass waste to produce cellulosic bioethanol at low cost is now available for licensing from its developer, TMO Renewables Ltd. (Guildford, U.K.;…