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Simplified electrodeionization technology reduces operating costs

Dow Water and Process Solutions (DW&PS; Minneapolis, Minn.; www.dowwaterandprocess.com), a business unit of The Dow Chemical Co., unveiled a simplified electrodeionization (EDI) product at the recent Singapore International Water Week event. The new version of the product reduces operating costs…

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This new process promises substantial savings for aluminum production

Calsmelt Pty Ltd. (Melbourne, Australia; www.calsmelt.com) is marketing a new carbothermic process for producing metallic aluminum. Tradenamed Thermical, the process is said to entail significant advantages over Alcoa’s carbothermic process, the Advanced Reactor Process (ARP). Under development for several years,…

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This compact wastewater-treatment system reduces sludge volumes and recovers biogas

The Industrial Technology Research Institute of Taiwan (ITRI, www.itri.org.tw) is conducting a 10-m3/d pilot-plant project to test the performance of its A2O membrane system for municipal wastewater treatment. The project, which is nearing completion, has already supplied important data, including capital…

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A hydrogen generator featuring longer-lasting electrodes

This Fall, Vantec Co. (Tochigi Prefecture, Japan; www.vantec-jp.com) plans to commercialize a water electrolyzer that incorporates electrodes with a ten-year lifetime — nearly twice that of conventional technology, says the manufacturer. The long-lasting electrodes are expected to reduce the cost…

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Japanese JV to recycle steel-mill dust

Nippon Steel Corp. (Tokyo; www.nsc.co.jp) and Kobe Steel, Ltd. (Kobe, Japan; www.kobelco.com) plan to begin construction of a plant to recycle steel-mill dust — a byproduct from the steelmaking process — into direct reduced iron (DRI). The two companies will…

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A new catalyst for the direct hydrogenolysis of glycerin into PDO

Professor Keiichi Tomishige and colleagues at Tohoku University (Sendai City, Japan; www.che.tohoku.ac.jp/~erec/) have developed a high-performance catalyst for synthesizing 1,3-propanediol (PDO) — a raw material for highly functional poly(trimethyleneteraphthalate) (PPT) fibers — from glycerin as starting material. The catalyst —…

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Novel gasifier uses liquid copper as the heat source

Liquid copper is employed to gasify wastes in a process being developed by Ze-gen (Boston, Mass.; www.ze-gen.com) and will be tested in a small commercial plant in an industrial park in Attleboro, Mass. Scheduled for completion late next year, the…

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This lignite-drying process increases the efficiency of power and gasification plants

Last month, RWE Power (Cologne, Germany; www.rwe.com) and Linde-KCA-Dresden GmbH (www.linde-kca.com), a subsidiary of The Linde Group (Munich, Germany; www.linde.com), signed a framework agreement on the use of RWE’s WTA technology — a German acronym for fluidized-bed (FB) drying with internal…

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Molybdenum-oxo catalyst offers cheap route to H2 from water

A novel catalyst designed by scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley, Calif.; www.lbl.gov) and the University of California at Berkeley (www.berkeley.edu) has shown the ability to catalyze the electrolysis of water into hydrogen and…

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Produce polymer nanofibers at greater yield and control

New technology for fabricating nanoscale polymer threads boosts yields and improves control compared to conventional methods for producing nanoscale fibers by using a technique analogous to that for making cotton candy. The technology, known as rotary jet spinning (RJS), was…