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Displaying 541 - 560 of 814 stories.
May 1, 2007
If every vehicle in the U.S. ran on fuel made primarily from ethanol instead of gasoline, the number of respiratory-related deaths and hospitalizations would likely increase, according to a study by Mark Jacobson, associate professor of civil and environmental...
http://www.chemengonline.com/news/Is-ethanol-the-answer_3260.html
May 1, 2007
A paper-thin battery, with an electrode made from a redox-active organic polymer film (200 nm thick), has been designed by researchers at Waseda University (Tokyo; edlinks.che.com/6895-547). The polymer has nitroxide-radical groups that act as charge carriers. According to professor Hiroyuki Nishide, this “organic radical" battery presents several advantages over alternative, organic-based...
http://www.chemengonline.com/news/Flexible-battery_3261.html
May 1, 2007
BASF AG (Ludwigshafen, Germany; edlinks.che.com/6895-548) and voestalpine Stahl GmbH (Linz, Austria; edlinks.che.com/6895-549) have developed a steel...
http://www.chemengonline.com/news/HM-free-passivation_3262.html
May 1, 2007
    Improved profitability in the refining industry has brought a wave of investment aimed at raising capacity, boosting product quality and operating flexibility, and increasing refiners’ ability to deal with difficult feedstocks. Greater integration with petrochemical complexes and, in the future, biofuels, also characterize the modern refining industry, experts say. Though margins have...
http://www.chemengonline.com/news/Good-Times-for-Refiners_3324.html
May 1, 2007
            Many coal-fired power plants make gypsum and construction materials. But they should also consider manufacturing hydrochloric acid and ethanol. Furthermore, they should consider substituting biomass and waste organics for up to 10% of the coal. The combination of these initiatives would make coal plants much “greener.” Coal is the cost effective way to...
http://www.chemengonline.com/news/Coal-fired-power-plants-should-become-chemical-manufacturers_3325.html
May 1, 2007
Metabolix, Inc. (Cambridge, Mass.; edlinks.che.com/6895-550) and ADM Co. (Decatur. Ill.; edlinks.che.com/6895-551) will jointly produce Mirel Natural Plastics — a...
http://www.chemengonline.com/news/Biodegradable-plastic_3399.html
April 1, 2007
Dow Chemical Co. (Midland, Mich.; edlinks.che.com/6894-531) will begin commercial-scale production of Infuse olefin-block copolymers (OBCs), using its Insite technology, in the third quarter of 2007. The company recently completed a trial manufacturing run of OBCs at the plant, which is located in Freeport, Tex. Infuse OBCs constitute a new family of olefin elastomers that deliver improved properties over...
http://www.chemengonline.com/news/Dow-will-commercialize-its-Olefin-Block-Copolymers-technology_3230.html
April 1, 2007
Membranes that consist of a single layer of carbon atoms (called graphene) - the thinnest possible structure - have been created by researchers at Max Planck Institute for Solid State Research (Stuttgart, Germany; edlinks.che.com/6894-532) and at the University of Manchester (England...
http://www.chemengonline.com/news/The-worlds-thinnest-carbon-membranes_3231.html
April 1, 2007
Another kind of carbon membrane (see previous item) is being developed at Lawrence Livermore National Laboratory (Livermore, Calif.; edlinks.che.com/6894-534). In this case, the membrane consists of a parallel array of tiny tubes, each of less than 2 nm dia. and several...
http://www.chemengonline.com/news/Carbon-nanotube-membranes_3232.html
April 1, 2007
A demonstration plant that will produce 5,000 m.t./yr of succinic acid from biomass will be built in Pomacle, France, by BioAmber, a joint venture of Diversified Natural Products (DNP, New York, N.Y.; edlinks.che.com/6894-535) and Agro Industries Recherche et Developpement (ARD, Pomacle). Succinic acid, used in a variety of products, including cosmetics and foods, is produced mainly from maleic anhydride...
http://www.chemengonline.com/news/A-sustainable-route-to-succinic-acid_3233.html
April 1, 2007
The cost of producing ethanol promises to be reduced by 50% through a process being developed by TNO (Zeist, Netherlands; edlinks.che.com/6894-536). The reason for the dramatic cut is that ligno-cellulosic material is hydrolyzed in a single step, using concentrated sulfuric acid. In contrast, conventional hydrolysis is a two-step process in which...
http://www.chemengonline.com/news/A-cheaper-route-to-ethanol_3234.html
April 1, 2007
The conventional way to make molded ceramic compontents involves the use of an organic binder (about 10-15 wt.%) to keep the shape of the fine ceramic powders. The binder is then burned off during the sintering process; this not only requires additional energy to burn out the binder (which may also release toxic gases), but finished ceramic...
http://www.chemengonline.com/news/Ceramic-molding-without-binders_3235.html
April 1, 2007
Cleaning the interior of firetubes in oil-, biomass- or coal-fired boilers is a time-consuming task that can normally be done only when a boiler is offline. Now, a system that can do the job automatically while the boiler is in operation is available from Optimum Environmental Technologies B.V. (Arnhem, Netherlands; edlinks.che.com/6894-538). Optimum's Automatic in-line Pipe Cleaning System...
http://www.chemengonline.com/news/An-online-tube-cleaning-system-for-firetube-boilers-_3236.html
April 1, 2007
Another online boiler-cleaning system, in this case for coal-fired watertube boilers, is offered by GE Energy (Kansas City, Mo.; edlinks.che.com/6894-539). GE's automated system, called Powerwave+, is more efficient and less expensive than sootblowing with high-pressure steam, the commonly used online method for cleaning the...
http://www.chemengonline.com/news/-and-this-one-uses-shock-waves-to-clean-watertube-boilers_3237.html
April 1, 2007
Mitsui Engineering & Shipbuilding Co. (MES; Tokyo, Japan; edlinks.che.com/6894-540), in cooperation with Chugoku Electric Power Co. (Hiroshima, Japan), is building a pilot plant that will produce 5-m.t./d of natural gas hydrate (NGH). The plant, located at Chugoku Electric's Yanai Power Station (Yamaguchi, Japan), is a scaled-up version of MES's 600 kg/d pilot plant, which has been operating since...
http://www.chemengonline.com/news/A-step-closer-to-transporting-natural-gas-hydrates_3238.html
April 1, 2007
A process that yields hydrogen by using solar energy to split water has received one-third of the €1 million Descartes prize, awarded annually for research financed by the European Commission (Brussels, Belgium). The process was developed under the Hydrosol project, headed by the Chemical Process Engineering Research Institute, Center for Research and Technology-Hellas...
http://www.chemengonline.com/news/Solar-electrolysis_3239.html
April 1, 2007
Jet fuel, or other fuels, could one day be produced from cheap animal fats - byproducts of slaughterhouses and meat-processing plants - through a process being developed at North Carolina State University (Raleigh; edlinks.che.com/6894-542). So far, NCSU has tested parts of the...
http://www.chemengonline.com/news/Fuels-from-fat_3240.html
April 1, 2007
Demonstration plants to test six processes for producing ethanol from non-food-based biomass will be built with support from the U.S. DOE (edlinks.che.com/6894-543). Between them, the plants will produce more than 130 million gal/yr of ethanol from cellulosic feeds, including agricultural waste and perennial grasses. DOE's goal is to make cellulosic ethanol cost-competitive...
http://www.chemengonline.com/news/DOE-funds-six-cellulosic-ethanol-plants_3241.html
April 1, 2007
A fungus that is said to be more effective than baker's yeast for the conversion of waste to ethanol has been discovered by researchers at Boras University College (Sweden; edlinks.che.com/6894-544). The fungus, a saprophyte (of the zygomycetes...
http://www.chemengonline.com/news/Fungus-makes-ethanol_3242.html
April 1, 2007
Mascoma Corp. (Cambridge, Mass.; edlinks.che.com/6894-545) and Royal Nedalco (Bergen op Zoom, Netherlands) have signed a license and joint-development...
http://www.chemengonline.com/news/Ethanol-partnership_3243.html
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