Archives :: Chementator

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September 1, 2010
Professor George John and graduate student Swapnil Jadhav at the City College of New York (www.ccny.cuny.edu) are lead authors of a paper on a class of compounds, known as phase-selective gelators, that can selectively solidify an oil phase in water. These gelator compounds may serve as the basis for next-generation efforts in...
http://www.chemengonline.com/chementator/Sugar-derived-compounds-can-be-model-solidifiers-for-oil-spills_5947.html
September 1, 2010
  Worlds largest PDH unit Lummus Technology (Bloomfield, N.J.), a CB&I company (The Woodlands, Tex.; www.cbi.com), has been awarded a contract by Tianjin Bohua Petrochemical Co. for the license and engineering design of a grassroots propane dehydrogenation (PDH) unit to be built in Tianjin, China. It will be the first PDH plant in China, and upon startup in 2012, will be the largest PDH plant in...
http://www.chemengonline.com/chementator/September-chementator-briefs_5948.html
August 1, 2010
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 for industrial water treatment by up to 15% compared to its predecessor. The Dow Electrodeionization 310...
http://www.chemengonline.com/chementator/Simplified-electrodeionization-technology-reduces-operating-costs_5872.html
August 1, 2010
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, carbothermic technology aims to eventually displace the standard Hall-Héroult...
http://www.chemengonline.com/chementator/This-new-process-promises-substantial-savings-for-aluminum-production_5873.html
August 1, 2010
A process that promises a significant reduction in the cost of removing sulfur from coal-derived synthesis gas (syngas) will be tested in a 50-MWe demonstration unit at Tampa (Fla.) Electric Company’s 250-MWe integrated gasification-combined cycle (IGCC) power plant. RTI International (Research Triangle Park, N.C.; www.rti.org), the developer of the technology, has awarded a contract for front-end...
http://www.chemengonline.com/chementator/High-temperature-process-cuts-the-cost-of-syngas-cleanup_5874.html
August 1, 2010
A next-generation, carbon-enhanced membrane-bioreactor (MBR) system improves treatment of industrial wastewater with high organic content and containing compounds that resist microbial breakdown. The system allows economic reuse of wastewater or discharge to meet stringent environmental standards. The new MBR, dubbed EcoRight, will be commercially available in early 2011. First envisioned by Saudi Aramco...
http://www.chemengonline.com/chementator/Membrane-bioreactor-technology-improves-treatment-of-high-organic-content-water_5875.html
August 1, 2010
Last month, Pittsburgh Iron Oxides, LLC (Pirox; New Brighton, Pa.; www.piroxllc.com) was granted U.S. patent No. 7,744,848 for its process of producing high-purity magnetite (Fe3O4). The company produces synthetic magnetite, tradenamed SuperMagnetite, which has greater than 99% purity and exhibits a unique combination of magnetic properties (such as remnance, saturation and, coercivity) that are derived...
http://www.chemengonline.com/chementator/A-new-production-route-to-high-purity-magnetite_5876.html
August 1, 2010
Flyanic LLC (Newark, N.J.; www.flyanic.com) has developed an industrial-scale and economical process for grinding cement, flyash and other cementitious materials to a median particle size of 1 micron, making them suitable for use in concrete and mortar. For example, flyash and slag ground less than 10 microns are highly reactive pozzolans for...
http://www.chemengonline.com/chementator/Size-reduction-of-cementitious-material_5877.html
August 1, 2010
The research group of Kazuo Tajima at Kanagawa University (Yokohama, Japan; apchem2.kanagawa-u.ac.jp) have developed a new emulsification process that enables biodiesel fuels (BDFs) to be used without any purification process, thereby reducing production costs by one fourth. Tajima estimates that the process...
http://www.chemengonline.com/chementator/Super-emulsion-slashes-biodiesel-production-costs-by-25-percent_5878.html
August 1, 2010
Researchers at the Fraunhofer Institute for Mechanics of Materials (IWM; Halle, Germany; www.fraunhofer.de) have developed ceramic membranes with uniform pore structure and tight pore-size distribution, which makes them more stable and delivers considerably higher...
http://www.chemengonline.com/chementator/Nanopores-improving-sterile-filtration_5879.html
August 1, 2010
Strata Technology Ltd. (Sunbury-on-Thames, U.K.; www.stratatec.co.uk) has commercialized the Cambridge Multipass Rheometer (MPR), which was developed by professor Malcolm Mackley at the Dept. of Chemical Engineering and Biotechnology, Cambridge University (www.ceb.cam.ac.uk) for advanced studies of the rheological properties of melts, liquids and soft solids. The device consists of two...
http://www.chemengonline.com/chementator/This-rheometer-performs-multipass-measurements_5880.html
August 1, 2010
ADA-ES, Inc. (Littleton, Colo.; www.adaes.com) and Arch Coal, Inc. (St. Louis, Mo.), the U.S.’s second-largest coal producer, have signed an exclusive development and licensing agreement for an ADA-ES process that reduces mercury emissions from coal-fired plants by pretreating the coal. Designed for use with sub-bituminous coals, the process has reduced Hg emissions by up to 80% in full-scale tests...
http://www.chemengonline.com/chementator/Control-mercury-emissions-from-coal-fired-plants-without-treating-the-fluegas_5881.html
August 1, 2010
  Graphene Researchers at Rensselaer Polytechnic Institute (RPI; Troy, N.Y.; www.rpi.edu) have developed an inexpensive way to produce large quantities of graphene. Using acid treatment and ultrasound, the method is a step toward mass production of the atom-thick, honeycomb-shaped nanomaterial, which is being studied as a possible replacement for silicon in nanoelectronics. The scientists dissolved...
http://www.chemengonline.com/chementator/August-chementator-briefs_5882.html
July 1, 2010
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 cost, running cost and amount of waste sludge produced. ITRI is conducting negotiations with the...
http://www.chemengonline.com/chementator/This-compact-wastewater-treatment-system-reduces-sludge-volumes-and-recovers-biogas_5788.html
July 1, 2010
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 of splitting water into hydrogen and oxygen by...
http://www.chemengonline.com/chementator/A-hydrogen-generator-featuring-longer-lasting-electrodes_5789.html
July 1, 2010
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 use steel-mill dust and iron-ore fines from their steel mills as raw materials to recycle the iron from the waste materials into DRI and...
http://www.chemengonline.com/chementator/Japanese-JV-to-recycle-steel-mill-dust_5790.html
July 1, 2010
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 —...
http://www.chemengonline.com/chementator/A-new-catalyst-for-the-direct-hydrogenolysis-of-glycerin-into-PDO_5791.html
July 1, 2010
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 plant will convert 150 ton/d of ground wood waste into synthesis gas (syngas). The gas will generate 7 MWth of energy for use by the park, either as electricity...
http://www.chemengonline.com/chementator/Novel-gasifier-uses-liquid-copper-as-the-heat-source_5792.html
July 1, 2010
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 waste-heat utilization. The agreement makes Linde-KCA-Dresden a provider and supplier of WTA. The...
http://www.chemengonline.com/chementator/This-lignite-drying-process-increases-the-efficiency-of-power-and-gasification-plants_5793.html
July 1, 2010
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 oxygen, and is 70 times cheaper than platinum ($2,000/oz.), which has also been used to catalyze the reaction. In a...
http://www.chemengonline.com/chementator/Molybdenum-oxo-catalyst-offers-cheap-route-to-H2-from-water_5794.html
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