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  • res/selenium removal/JUNE
    RESEARCHERS USE HYDRATED LIME TO REDUCE TOXIC SELENIUM EMISSIONS -- Researchers at Ohio State University have found a way to use hydrated lime to reduce the amount of selenium emitted by fossil-fuel combusters and incinerators. Selenium is one of the most volatile and toxic byproducts produced
  • Grinding selenium to a fine powder
    Selenium - listed in the periodic system of the elements in the 6th main group, below sulphur, is unknown to many. It belongs to the essential trace elements and is integrated by the body in the so called 21st amino acid. But still, it's a toxin and the comminution of it requires a certain caution.
  • The Leading Edge of Obsolence: The Selenium Suppressor
  • Chalcogenide Glasses
    . Chalcogens are the group 16 elements: oxygen (O), sulfur (S), selenium Se), tellurium (Te), and polonium (Po).
  • Medical Device Link .
    markedly. They may use different materials, such as selenium or silicon, which may be applied in various ways and shapes. Some sensors rely on charge-coupled devices (CCDs) similar to the ones built into digital cameras. These CCDs can be optically linked or stitched into a mosaic of chips. Or a CCD
  • Ion Exchange Treatment of Regulated Metals in Coal Ash Found to be Efficient in Power Industry
    Coal ash is a waste product of coal combustion used for electrical power generation. Fly ash (from smoke stacks) and bottom ash (from boilers and combustion chambers) may contain trace metals including Aluminum, Arsenic, Cadmium, Chrome, Copper, Mercury, Nickel, Lead, Selenium, Vanadium and Zinc
  • Comparison between flat and tubular positive plates in lead-acid batteries
    Storage Battery Systems specializes in low maintenance tubular positive plate lead-selenium batteries. Tubular plate batteries are widely regarded as being more efficient and cost-effective than other plate types. There is clear evidence that the tubular technologies show largely better behavior
  • Glass Semiconductor Softens With Low-Power Laser, Then Re-Hardens
    by accident as physicists were trying to study properties of the material -- may one day enable new uses for the glass. said that he and former doctoral student Jared Gump thought they were working with a bad batch of germanium-selenium glass when Gump was testing the material 's hardness in the laboratory
  • International Power Sources Symposium by Andrew Ritchie | September 2007 | A B T | 7MS.com
    of surfactant additives (Ghavemi, Niru Battery, Teheran) and use of selenium as an additive to the plates (Tizpar, Niru Battery, Teheran). A new redox flow battery (Wills, Southampton University) used similar plates to the standard lead-acid battery but used an electrolyte of methane sulphonic acid

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