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September 1, 2007
Technology for producing nanowires from titanium dioxide, and for fabricating the wires into free-standing membranes and other shapes, is being offered for sale by Intellectual Property Partners LLC (IP2; Atlanta, Ga.; edlinks.che.com/6899-540). The membranes are chemically inert and thermally stable up to...
http://www.chemengonline.com/news/Nanowire-membranes-for-use-in-harsh-environments_3356.html
September 1, 2007
Bartec GmbH (Gotteszell, Germany; edlinks.che.com/6899-538) has commercialized Hygrophil DTP, an optical dew-point sensor that uses a patented technique for accurately measuring moisture content and relative humidity (RH) of compressed air and other gas supplies. Conventional sensors that are based on capacitance, changes in resistance or thermal conductivity are limited in both the accuracy and range of...
http://www.chemengonline.com/news/An-innovative-twist-improves-moisture-measurement-technology_3357.html
September 1, 2007
BP Alternative Energy (Sunbury, (U.K.; edlinks.che.com/6899-544) and Powerspan Corp. (Portsmouth, N.H.; edlinks.che.com/6899-545) are collaborating to develop and commercialize Powerspan’s carbon dioxide capture technology, called...
http://www.chemengonline.com/news/CO2-capture_3358.html
September 1, 2007
Researchers from the Hebrew University of Jerusalem’s Racah Institute of Physics (Israel; edlinks.che.com/6899-539) have succeeded in programming polymer sheets to bend and wrinkle by themselves into prescribed...
http://www.chemengonline.com/news/Bending-polymers-imitate-the-beauty-of-nature_3359.html
September 1, 2007
Mitsubishi Materials Corp. (edlinks.che.com/6899-535), with the project support of Petroleum Energy Center, Japan, (both Tokyo), has developed a new thermal process that uses supercritical (SC) water to crack vacuum distillation residue oil (VR) into clean, lighter oil with a high yield. The lighter oil products from the new process have less metal impurities than alternative cracking processes and the...
http://www.chemengonline.com/news/Supercritical-water-cracks-residue-oil_3360.html
September 1, 2007
    Glycerin has over 1,500 known end uses, including applications in cosmetics, pharmaceuticals and food products, with the U.S. market alone demanding around 600-million lb/yr. But over the next two years, biodiesel plants are expected to produce an additional 1-billion lb/yr of glycerin as a byproduct (see box below). As a result, the price of glycerin is falling as fast as biodiesel plants...
http://www.chemengonline.com/news/Outlets-for-glycerin_3365.html
September 1, 2007
    Kermit the Frog once said, “It isn’t easy being green.” While this may be true, industry is still making the effort. Both in the U.S. and abroad, processors are not only striving to produce environmentally friendly products, but also are becoming more mindful of the impact of their operations. More often than not, cleaning up both products and processes requires the use of...
http://www.chemengonline.com/news/The-Green-Revolution_3366.html
September 1, 2007
Plant Watch Petrochina selects Axens for clean fuels projects August 2, 2007 — PetroChina selected Axens’ desulfurization technology for the production of clean gasoline in two of its gasoline-producing complexes. The Jinxi Petrochemical Complex in Liaoning Province will install a 32,800-bbl/d grassroots facility that will be fed by fluidized catalytic cracked (FCC) gasoline. The Dagang Petrochemical...
http://www.chemengonline.com/news/September-Plant-Watch-and-Business-News_3405.html
August 1, 2007
Davy Process Technology Ltd. (DPT; London; edlinks.che.com/6898-531), a Johnson Matthey company, has received the first license of its new glycerin-to-propylene glycol (GTPG) process. The first project, planned for the Ashland/Cargill joint venture (CE, June, p. 10), will produce more than 65,000 m.t./yr of PG at a yet-to-be disclosed location in Europe. Startup is expected early in 2009. The GTPG process...
http://www.chemengonline.com/news/A-vapor-phase-glycerin-to-PG-process-slated-for-its-commercial-debut_3296.html
August 1, 2007
Computer models that simulate the operation of jet engines with alternative fuels will be developed by Reaction Design (San Diego, Calif.; edlinks.che.com/6898-532) under a two-year contract with the National Aeronautics and Space Administration (NASA; Glenn Research Center). The...
http://www.chemengonline.com/news/Combustion-models-for-alternative-fuels_3297.html
August 1, 2007
The traditional way to check microbial growth in a fermentation process is to take a sample of slurry and analyze it in the laboratory, a procedure that is less than ideal because of the time delay in obtaining the information. Now, a method that does the job online, in real time, has been developed at Pacific Northwest National Laboratory (PNNL; Richland, Wash.; edlinks.che.com/6898-533). In PNNL’s...
http://www.chemengonline.com/news/A-sound-way-to-monitor-fermentation_3298.html
August 1, 2007
Researchers from the fluid-dynamics laboratories at CSIRO Manufacturing and Materials Technology (Melbourne, Australia; edlinks.che.com/6898-534) have developed a new heat-exchange technology, called RAMeX, which performs heat exchange and mixing of highly viscous fluids without stirrers, impellers, baffles and plates. Like the Rotated Arc Mixer (RAM; CE, February 2001, p. 17) from which it evolved, the...
http://www.chemengonline.com/news/This-revolutionary-mixer-can-also-perform-heat-exchange_3299.html
August 1, 2007
Chiyoda Corp. (Kawasaki, Japan; edlinks.che.com/6898-535) has licensed its proprietary titania-supported catalyst for ultra-deep hydrodesulfurization (HDS) of gas oil to Axens (Paris, France; edlinks.che.com/6898-536). Axens is currently working on the final adjustment of industrial operating parameters, and plans to start commercial production of the new catalyst in the first...
http://www.chemengonline.com/news/A-step-closer-to-release-for-a-new-hydrotreating-catalyst_3300.html
August 1, 2007
A new catalyst that promises to cut the cost of producing biodiesel fuel from vegetable oils and animal fats by 30% has been developed by Victor Lin, a chemistry professor at Iowa State University (Ames, Iowa; edlinks.che.com/6898-537). The solid catalyst replaces the soluble, sodium methoxide catalyst that is currently used for the transesterification of oils in the production of biodiesel...
http://www.chemengonline.com/news/This-solid-catalyst-may-improve-the-economics-of-biodiesel-fuel-production_3301.html
August 1, 2007
Alumina refining by the Bayer process involves the digestion of bauxite ore with caustic soda, which produces “green liquor,” from which alumina is recovered, and a bauxite residue, called red mud, which is stored in large disposal areas. A typical refinery (2-million m.t./yr) produces about 1.4 tons of bauxite-residue per ton of alumina recovered, which translates into about 2.8-million m.t./yr of red...
http://www.chemengonline.com/news/An-economical-way-to-extract-more-alumina-from-bauxite_3302.html
August 1, 2007
A research team from Austria and Sweden have demonstrated that nanowires of a nickel-rhodium alloy exhibit a suprisingly high reactivity to oxygen. Using physical vapor deposition, the researchers have produced quasi one-dimensional rows of Ni atoms on a single-crystal rhodium substrate, which has Rh steps...
http://www.chemengonline.com/news/Ni-Rh-nanowires-show-promise-as-new-catalysts_3303.html
August 1, 2007
What is billed as the first commercial-scale plant to produce ethanol from cellulosic feed will be built in Treutlen County, Georgia, by Range Fuels, Inc. (Broomfield, Colo.; edlinks.che.com/6898-541). The company received a construction permit from the State of Georgia last month and will shortly break ground for the plant. Scheduled for completion...
http://www.chemengonline.com/news/Commercialization-is-set-for-a-cellulose-to-ethanol-process_3304.html
August 1, 2007
Crossflow (CF) filtration is widely used for separating substances with poor filtration properties. As the method’s name implies, a crossflow of the feed continuously flows across the filter membrane in order to wash away material accumulations that clog the membrane pores. Nevertheless, conventional methods rely on a pump to adjust the feed overflow rate, which requires substantial energy, even for...
http://www.chemengonline.com/news/Slash-energy-consumption-with-this-new-crossflow-filtration-process_3305.html
August 1, 2007
This system, which has multiple reactors and uses microwaves for heating, has been developed by professor Yuji Wada at the Graduate School of Science and Engineering, Tokyo Institute of Technology (edlinks.che.com/6898-543), in cooperation with Shikoku Instrument Co. (Takamatsu; edlinks.che.com/6898-544) and Sanko Kagaku Kogyo Co. (Tokyo; all Japan; edlinks.che.com/6898-545). A prototype of the system has...
http://www.chemengonline.com/news/New-reactor-system-makes-products-faster-without-a-solvent_3306.html
August 1, 2007
Last month, Hexion Specialty Chemicals, Inc. (Columbus, Ohio; edlinks.che.com/6898-546) signed a definitive agreement to acquire Huntsman Corp. (Salt Lake City, Utah)...
http://www.chemengonline.com/news/Major-M&As_3307.html
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