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Displaying 301 - 320 of 812 stories.
June 15, 2008
Kadant AES (Queensbury, N.Y.; edlinks.che.com/7373-543) has introduced a patented control technology for high-pressure positive-displacement (HPPD) pumps, which is said to be capable of...
http://www.che.com/news/Chementator-Smart-pump-control_3966.html
June 15, 2008
Researchers from the Organic Chemistry Dept. at Newcastle University (U.K.; edlinks.che.com/7373-544) have developed aluminium (salen) complexes that exhibit "exceptional" activity for catalyzing the synthesis of cyclic...
http://www.che.com/news/Chementator-Plastics-from-CO2_3967.html
June 15, 2008
Researchers at the Faculty of Engineering, Lund University (Sweden; edlinks.che.com/7373-545) have used nanotechnology to develop a transistor that is said to be 50 times more energy efficient that...
http://www.che.com/news/Chementator-Improved-transistor_3968.html
June 15, 2008
Honeywell Specialty Materials (Morristown, N.J.; edlinks.che.com/7373-546) has launched PowerShield PV325, a material that protects photovoltaic (PV) modules — including the critical components that convert sunlight into electricity...
http://www.che.com/news/Chementator-A-barrier-for-PVs_3969.html
June 15, 2008
TubeMaster, Inc. (Louisville, Ky.; edlinks.che.com/7373-547) has filed U.S. and foreign patents for Dog-leg — claimed to be the world’s first articulating catalyst-loading...
http://www.che.com/news/Chementator-Catalyst-loading_3970.html
May 15, 2008
    U.S. petroleum companies are investing in new domestic refining capacity on a scale not seen in decades. Over the next five years the industry will add more than one million bbl/d of distillation capacity (see table), according to the U.S. Department of Energy’s Energy Information Administration (EIA, Washington D.C.; www.eia.doe.gov). "It’s a step change in expansion,"...
http://www.che.com/news/Newsfront-A-Surge-in-U-S-Refining-Capacity_3855.html
May 15, 2008
Plant Watch New chlor-alkali plant scheduled for Kazakhstan April 23, 2008 — Uhdenora received a contract from AO "Kaustik" for a new membrane chlor-alkali plant to be erected in Pavlodar, Kazakhstan. The new plant will have a capacity of 91 m.t./d of sodium hydroxide and is scheduled to come on stream in May 2010. Metso to supply equipment for copper-ore project in Chile March 28, 2008...
http://www.che.com/news/Economic-Indicators-Business-News_3869.html
May 15, 2008
At last month’s CosmoProf exhibition (April 10 – 14; Bologna, Italy), VMI-Rayneri (Montaigu, France; edlinks.che.com/7372-531) introduced a new vacuum-injection process for dispersing powder-like solids into liquids or pastes during the production of cosmetics, pharmaceuticals, food or other chemical products. Normally, homogeneous dispersions are prepared by either circulation within the...
http://www.che.com/news/Chementator-A-New-Way-to-Make-Dispersions_3874.html
May 15, 2008
The Jiashan Yao-chuang wastewater treatment plant in China’s Zhejiang Province has successfully pilot-tested a three-stage, biologically active reactor system that reduces effluent levels to within the nation’s Class 1A standards. (The standards require < 10 mg/L for biological oxygen demand (BOD), < 5 mg/L for ammonium-nitrogen and < 15 mg/L for total-nitrogen in effluent discharges.)...
http://www.che.com/news/Chementator-A-Wastewater-Treatment-Plant-Passes-Pilot-Test-in-China_3875.html
May 15, 2008
Normally, only the ultraviolet (higher energy) component of the solar spectrum is usable for the photo-catalytic electrolysis of water into hydrogen and oxygen, which takes place in photochemical cells with an anode made of single-crystalline, rutile-type titanium oxide and a platinum electrode. Now, water can be photolyzed into H2 and O2...
http://www.che.com/news/Chementator-This-Catalyst-Helps-Visible-Light-Split-Water-into-H2-and-O2_3876.html
May 15, 2008
Researchers at Oxford Catalysts Ltd. (Oxford, U.K.; edlinks.che.com/7372-534) have shown that the method of preparation — rather than the identity or combination of metals used — has the greatest influence on the performance of hydrodesulfurization (HDS) catalysts. The results of laboratory trials, presented at the annual ACS meeting last month (New Orleans, La.; April...
http://www.che.com/news/Chementator-Improving-the-Performance-of-HDS-Catalysts_3877.html
May 15, 2008
A process in which sulfur is extracted from natural gas in the field and converted to sulfur dioxide, which is then injected into the gas reservoir and reacts with hydrogen sulfide in situ to produce elemental sulfur, has been developed by Black & Veatch (Overland Park, Kan.; edlinks.che.com/7372-535) and Alberta Sulphur Research Ltd. (Calgary, Alta.; edlinks.che.com/7372-536). The partners have formed a...
http://www.che.com/news/Chementator-A-Process-for-Desulfurizing-Natural-Gas_3878.html
May 15, 2008
Verenium Corp. (formerly Celunol; Cambridge, Mass.; edlinks.che.com/7372-537) is starting up a 1.4-million gal/yr demonstration-scale facility at Jennings, La., which will produce ethanol from regional feedstocks (including sugarcane bagasse and specially bred "energy cane") via proprietary cellulosic-ethanol technology. The technology was originally developed at the...
http://www.che.com/news/Chementator-A-Cellulosic-Ethanol-Demonstration-Plant-Enters-Startup-Phase_3879.html
May 15, 2008
Carbone Lorraine (CL; Paris, France; edlinks.che.com/7372-538) is launching a new welded-plate heat exchanger, dubbed Heatex, which features plates made of tantalum CL-Clad. The patented CL-Clad technology involves the brazing of steel onto "reactive" metals, such as tantalum, titanium and zirconium, in order to fabricate columns, reactors and (now) heat exchangers used in corrosive service. Such...
http://www.che.com/news/Chementator-These-Heat-Exchangers-Feature-Tantalum-as-an-Alternative-to-Graphite_3880.html
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.che.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.che.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.che.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.che.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.che.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.che.com/news/Chementator-Hot-Potatoes_3887.html
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