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Displaying 161 - 180 of 209 stories.
December 1, 2006
The mountains of used tires piling up around the world may be a source of a new filtration media that promises to be a cheaper and more efficient alternative to sand or anthracite, which are commonly used for filtering wastewater. The patented technology, developed by Yuefeng Xie, associate professor of environmental engineering at Penn State Harrisburg (Pa.; edlinks.che.com/6519-555), uses crumb rubber...
http://www.chemengonline.com/regions/north_america/us/Tires-filter-wastewater_3064.html
December 1, 2006
    When in 1997 a United Nations’ conference at Kyoto, Japan, called into being the Framework Convention on Climate Change (UNFCCC), it seemed that greenhouse-gas emissions regulations were just around the corner. Not so fast, was the world’s answer. The United States — after originally supporting the so-called Kyoto Protocol — turned around and rejected the treaty, which...
http://www.chemengonline.com/regions/north_america/us/Greenhouse-gas-regulations-are-coming-to-chemicals_3086.html
November 1, 2006
    Disperse powders in a single pass The Ytron inline powder disperser (photo) is specifically designed to disperse extremely difficult-to-wet powders such as polymers, into a liquid stream in a single pass. Powder incorporation is achieved by the presence of significant vacuum in the reactor housing generated by the liquid seal created between the rotor and stator. This vacuum ensures that...
http://www.chemengonline.com/regions/north_america/us/November-New-Products-North-American-edition_2845.html
November 1, 2006
    Measure thermal images with one hand The LAND Guide M3 thermal imager (photo) enables plant engineers to operate more efficiently and productively in their day-to-day preventive maintenance duties. The palm-held design offers finger-tip controls, high-quality thermal images (with provision for voice annotation), on-board image processing, a 100-image memory capacity and USB connectivity. With...
http://www.chemengonline.com/regions/north_america/us/November-New-Products-international-edition_2854.html
November 1, 2006
ExxonMobil Chemical Technology Licensing LLC (Houston, Tex.; edlinks.che.com/6518-541) has commercialized its new Olgone technology, a catalyst-based process for removing olefins from aromatic streams. If not removed, such olefinic...
http://www.chemengonline.com/regions/north_america/us/A-cleaner-way-to-remove-olefins-from-aromatics_3036.html
November 1, 2006
A new primer technology for coating aluminum aircraft that uses magnesium instead of chromium has been developed by researchers at the North Dakota State University (Fargo; edlinks.che.com/5618-546). A...
http://www.chemengonline.com/regions/north_america/us/Cr-free-coatings_3039.html
November 1, 2006
Acro 1.0 optimization software, developed by Sandia National Laboratories (Albuquerque, N.M.; edlinks.che.com/6518-550), has recently been published and is now available to the public at no charge. The software can...
http://www.chemengonline.com/regions/north_america/us/Free-optimization_3041.html
November 1, 2006
Over the last three years, DuPont (Wilmington, Del.; edlinks.che.com/6518-552) has been developing technology to break down the complex sugar matrix of corn stover as a means for making ethanol from cellulose in high yield. Although there is more research to be completed, the company is ready to take the next step to bring cellulosic ethanol to market...
http://www.chemengonline.com/regions/north_america/us/Bioethanol_3043.html
November 1, 2006
      Among the many parameters measured and controlled in the chemical process industries (CPI), level definitely ranks high in importance, and in some applications, can even be critical. Accurate level measurements commonly guide decision makers in inventory and process control, and level can play an important role in safety and maintenance, for leak detection, as an example.   Recent...
http://www.chemengonline.com/regions/north_america/us/Level-measurement-highlights_3085.html
November 1, 2006
Ostara Nutrient Recovery Technologies Inc. (Vancouver, B.C., Canada; edlinks.che.com/6518-533) has constructed the first large-scale reactor to demonstrate the struvite recovery technology first developed by the University of British Columbia (UBC). The e700,000 reactor, located at the Edmonton Gold Bar sewage treatment works, will treat approximately...
http://www.chemengonline.com/regions/north_america/canada/Recovering-struvite-from-sewage-sludge_3029.html
October 1, 2006
    A nano flowmeter for high-pressure applications Flowmeters from the enhanced SLG1430 Series (photo) for flowrates in the nano and microliter range are pressure tested at 400 bar after assembly, and have a recommended maximum operating pressure of 350 bar. The CMOSens technology-based device is suitable for liquid chromatography applications and leakage testing systems, and is capable of...
http://www.chemengonline.com/regions/north_america/New-Products-For-October-International-Edition_2853.html
October 1, 2006
    Tank vent dryers prevent damage from moisture condensation This company offers a range of tank vent dryers and adsorbents (photo) that protect valuable fluids from harmful moisture contamination. They also prevent release of toxic vapors from the tank into the atmosphere. During filling and discharging from free-breathing tanks, the tank exchanges air with the atmosphere. Air changes also...
http://www.chemengonline.com/regions/north_america/us/October-New-Products-North-American-edition_2844.html
October 1, 2006
Most of today's solar cells are made from silicon wafers cut from blocks of crystals. The wafers are typically 0.2-0.25-mm thick, yet most of the photon-to-electricity conversion takes place in the outermost 0.02 mm of the wafer. In an effort to reduce the amount of Si required (and thus the cost) for solar cells, BP Solar (Frederick, Md; edlinks.che.com/6517-538) is supporting a three-year research...
http://www.chemengonline.com/regions/north_america/us/Efforts-to-reduce-the-cost-of-Si-based-solar-cells_3016.html
October 1, 2006
Last month, BOC Edwards (Wilmington, Mass.; edlinks.che.com/6517-549) completed installations of its new ERIX wastewaster treatment system at the College of Nanoscale Science and Engineering, of the University of...
http://www.chemengonline.com/regions/north_america/us/HF-effluent-treatment_3022.html
October 1, 2006
The first demonstration of a new high-temperature-superconducting cable was started last month in Columbus, Ohio. The new triax cable - said to provide three times more power-distribution capacity while...
http://www.chemengonline.com/regions/north_america/us/Superconductors_3027.html
September 1, 2006
    Nanotechnology, in the form of nanomaterials, is already a significant business for the chemical process industries (CPI). One recent study says that this year’s global nanotechnology market is worth more than $10 billion, of which 86% is attributable to nanomaterials, and that the total market will reach $25 billion by 2011 (see box). This figure includes well-established commercial...
http://www.chemengonline.com/regions/north_america/Big-Growth-In-Small-Things_3081.html
September 1, 2006
At the end of July, Renewable Capital Ltd. (London, U.K.; edlinks.che.com/6516-545) and Konarka Technologies, Inc. (Lowell, Mass.; edlinks.che.com/6516-546) entered a...
http://www.chemengonline.com/regions/north_america/us/Solar-cells_3005.html
September 1, 2006
Last month, DynaMotive Energy Systems Corp. (Vancouver, B.C., Canada; edlinks.che.com/6516-548) announced the successful completion of an industrial-scale test burn of its BioOil as a replacement for...
http://www.chemengonline.com/regions/north_america/canada/BioOil_3007.html
August 1, 2006
Dow Chemical Co. (Midland, Mich.; edlinks.che.com/6515-546) has acquired Zhejiang Omex Environmental...
http://www.chemengonline.com/regions/north_america/us/Water-purification_2986.html
August 1, 2006
At ARC's 14th annual forum (June 26-28; Boston, Mass.), OPC Foundation (Scottsdale, Ariz.; edlinks.che.com/6515-549) released its latest interoperability solution, OLE for Process Control Unified Architecture (OPC-UA)...
http://www.chemengonline.com/regions/north_america/us/OPC-UA-released_2989.html
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