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Displaying 321 - 340 of 818 stories.
May 15, 2008
Small-scale chemical producers that use chlorine often rely on larger producers, which sell them the excess Cl2 produced by dedicated chlor-alkali plants. However, such Cl2 supplies are being threatened on a number of fronts, at least in Europe, where new legislation forbidding the import or export of mercury (after 2010) could force older Hg-based chlor-alkali plants to convert to membrane technology or...
http://www.chemengonline.com/news/Chementator-A-New-Concept-in-the-Supply-of-Cl2_3881.html
May 15, 2008
A new roll-to-roll manufacturing process promises to overcome the major cost barriers impeding the widespread adoption of high-performance organic light-emitting diodes (OLEDs) for lighting, e-paper and display applications. The culmination of a four-year, $13-million research partnership between GE Global Research (Niskayuna, N.Y.; edlinks.che.com/7372-542), Energy Conversion Devices, Inc. (ECD; Rochester...
http://www.chemengonline.com/news/Chementator-Roll-to-Roll-Manufacturing-a-Breakthrough-for-OLED-Commercialization_3882.html
May 15, 2008
Because parts made from boron carbide have a higher rigidity and lower weight compared with those made from silicon carbide and alumina, boron carbide parts are important components for semiconductor manufacturing equipment and other components requiring high-temperature and abrasion resistance, including nozzles, mechanical seals and hard-disc substrates. However, making boron carbide parts with complex...
http://www.chemengonline.com/news/Chementator-A-Less-Expensive-Way-to-Make-Boron-Carbide-Components_3883.html
May 15, 2008
Photovoltaics manufacturer Konarka Technologies, Inc. (Lowell, Mass; edlinks.che.com/7372-546) has successfully performed the first use of drop-on-demand inkjet printheads for the fabrication of organic solar cells. Using a Dimatix Materials Printer (DMP) provided by Fujifilm Dimatix...
http://www.chemengonline.com/news/Chementator-Printing-Solar-Cells_3885.html
May 15, 2008
BP (London; edlinks.che.com/7372-548) and ConocoPhillips (Houston, Tex.; edlinks.che.com/7372-549) have combined resources to start Denali — the Alaska Gas Pipeline. The pipeline will move approximately 4 billion ft 3 /d of natural gas to markets, and is said to...
http://www.chemengonline.com/news/Chementator-Alaskan-Gas_3886.html
May 15, 2008
CLC bio (Aarhus, Denmark; edlinks.che.com/7372-550) and partners from Danish research institutions and crop-enhancing firms have started a project to develop potatoes into a...
http://www.chemengonline.com/news/Chementator-Hot-Potatoes_3887.html
May 15, 2008
GEA Procomac, a Division of GEA Niro Inc. (Hudson, Wisc.; edlinks.che.com/7372-551) has received a letter of non-objection from the U.S. Food and Drug...
http://www.chemengonline.com/news/Chementator-Aseptic-Filling_3888.html
May 15, 2008
Last month, Henkel KgaA (Düsseldorf, Germany; edlinks.che.com/7372-552) introduced a new conversion coating process called TecTalis, which replaces zinc...
http://www.chemengonline.com/news/Chementator-Metal-Pretreatment_3889.html
May 15, 2008
IQTex (Hamburg; Germany; edlinks.che.com/7372-553) has developed a ventilation element — integrated into the soles of shoes — that functions like a flower, which closes up in the rain and...
http://www.chemengonline.com/news/Chementator-Smart-Shoes_3890.html
April 15, 2008
Investment, production and consumption of biofuels are booming, thanks mainly to American and European governments’ subsidy and promotion. In part this is driven by fear of environmental enemy number one — global warming. The simple, conventional wisdom is that biofuels have smaller carbon footprints than competing petroleum-based fuels (petrofuels). Yet, as our recent study shows,* the...
http://www.chemengonline.com/news/Technology-Showcase-Biofuels-Face-a-Carbon-Certification-Challenge_3788.html
April 15, 2008
  While it may be one of the oldest chemical processes known to mankind, fermentation is getting a high-tech face lift as industrial biotech firms put a fresh spin on the age-old technology in an effort to develop advanced products in a more environmentally friendly and less costly way. "The technology is generally the same — using microbial systems and metabolic fermentation — but by...
http://www.chemengonline.com/news/Newsfront-Teaching-an-Old-Dog-New-Tricks_3789.html
April 15, 2008
Last month, the first pilot project that used chilled ammonia to capture carbon dioxide from the fluegas (FG) of a coal-fired power plant started operating at the 1,210-MW We Energies’ Pleasant Prairie power plant in Wisconsin. Alstom (Windsor, Conn.; edlinks.che.com/7371-531) designed, built and will operate the 1.7-MW pilot system, which is part of a cost-sharing partnership of 35 utilities...
http://www.chemengonline.com/news/Chementator-An-ammonia-based-CO2-capture-process-moves-several-steps-closer-to-commercialization_3807.html
April 15, 2008
Advanced Diamond Technologies, Inc. (ADT; Romeoville, Ill.; edlinks.che.com/7371-533) has launched a new family of mechanical seals to improve efficiency, save energy and reduce costs in fluid-pumping systems. The patented UNCD (ultrananocrystalline diamond) Seals provide the benefits of a diamond at a cost comparable to silicon carbide face seals, according to ADT, which was formed in 2003 to...
http://www.chemengonline.com/news/Chementator-Diamond-may-be-a-pumps-best-friend_3808.html
April 15, 2008
Of all known materials, carbon nanotubes (CNTs) have the highest thermal conductivity and mechanical strength as well as the ability to withstand the highest electric-current density, making them an attractive material for electric wiring, heat dissipation, field electron emission, and other applications. And graphene — a two-dimensional hexagonal lattice of carbon atoms — has become attractive...
http://www.chemengonline.com/news/Chementator-This-composite-combines-the-unique-properties-of-two-new-forms-of-carbon_3809.html
April 15, 2008
Polyglycolic acid (PGA) has good properties: a very high gas impermeability, even under 80% humidity; biodegrability; high mechanical strength; and good moldability, which makes it a promising polymer for applications such as medical devices and barrier films. But up to now, it has been difficult to make large quantities of the material. Kureha Corp. (Tokyo, Japan; edlinks.che.com/7371-536) has developed a...
http://www.chemengonline.com/news/Chementator-A-new-polymer-set-for-a-commercial-launch_3810.html
April 15, 2008
In its first full-scale test on a coal-fired power plant, halogenated activated carbon (AC) made by ADA-ES, Inc. (Littleton, Colo.; edlinks.che.com/7371-537) has reduced mercury emissions by more than 90%. The significance of the results is that the plant...
http://www.chemengonline.com/news/Chementator-Halogenated-activated-carbon-reduces-mercury-emissions-from-a-coal-fired-plant_3811.html
April 15, 2008
Nippon Steel Materials Co., Ltd. (NSM; Tokyo, Japan; edlinks.che.com/7371-538) has developed a new catalyst for combustion engines that contains 70% less precious metals than conventional catalytic converters. The catalyst is expected to not only lead to lower costs, but also outperform conventional catalysts...
http://www.chemengonline.com/news/Chementator-A-platinum-free-catalytic-converter_3812.html
April 15, 2008
Although theoretically promising 80% more energy than is required to grow and convert to cellulosic ethanol, switchgrass has proven to be a difficult fuel source to break down cost effectively. With $1 million from the U.S. Depts. of Agriculture (USDA) and Energy (DOE), a team led by Professor Alan Weimer of the...
http://www.chemengonline.com/news/Chementator-Switchgrass-to-syngas_3813.html
April 15, 2008
Sugar-beet processors in the U.S. generate approximately 40 million tons of fiber-rich sugar-beet pulp every year as a byproduct of sucrose extraction. Most of it is used as livestock feed or in pet food. Researchers with the U.S. Agricultural Research Service (ARS; edlinks.che.com/7371-542) are working on a process to convert the pulp into a filler for polylactic-acid-based plastics (PLA)...
http://www.chemengonline.com/news/Chementator-Sugar-beet-pulp-may-cut-the-cost-of-biodegradable-plastic_3814.html
April 15, 2008
In cooperation with several universities, Clariant International Ltd. (Muttenz, Switzerland; edlinks.che.com/7371-543) has developed a process to manufacture high-quality nano-sized zeolite L (Linde Type L) in technical quantities. This new range of nano-scale aluminosilicates, tradenamed Lucidot, open up a new range of possibilities in biochemical processes, including molecular sieves, ion...
http://www.chemengonline.com/news/Chementator-Nanozeolites_3815.html
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