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  • NOx Removal Technology
    There are several techniques for removal of oxides of nitrogen (NOx) depending on the composition/temperature/removal efficiencies.
  • Food Manufacturer Readily Meets California's Strict NOx Requirement
    Emission requirements in certain air districts in California have become more stringent. over the past decade. In 2005, the San Joaquin Valley Air Pollution Control District. (APCD) mandated the NOx emission level at 9 ppm, and in 2010, the agency. tightened the regulation to 7 ppm. As a result
  • Largest Shop-Assembled, Ultra Low-NOx Boilers Meet University of Wisconsin-Madison's Steam Needs
    For many years, the University of Wisconsin-Madison (UW-Madison) operated a. coal-fired, steam boiler plant at its on-campus powerhouse. Facing stricter emissions. regulations, UW-Madison began to explore its options. The choices were to retrofit. the existing infrastructure or invest in an entirely
  • Practical Issues of Combustion (.pdf)
    Power plants concerned with lowering NOx emissions are making tremendous changes to accommodate EPA regulatory requirements. A substantial number of these changes include the expansion and upgrade of the plant combustion oxygen measurement equipment. There is a striking relationship between
  • Dow Chemical Company: Achieving Multi-Site Compliance with Pavilion's Environmental Portfolio Management Solution
    in industrial nitrogen oxides (NOx) emissions by the year 2007. To meet that requirement, the TCEQ mandated certain NOx emission limits and created the NOx Mass Emissions Cap and Trade (MECT) program. This program deployed at Dow sites in the HGA affects more than 150 emission units
  • The On-Line Detection of Oxides of Nitrogen in Light Hydrocarbon Streams
    Producers of high purity monomers (ethylene) have identified the. need to measure the presence of Oxides of Nitrogen (NOX) at very. low PPB levels, and take steps to avoid potentially hazardous. conditions, in the Cold Box.
  • Urea Quality Monitoring
    The regulatory pressure on OEMs to reduce engine emissions will continue to increase well beyond the. current Euro 6, US 10 and Tier 4 criteria. Exhaust pollutants such as particulate matter (PM) and nitric oxides. gases (NOx) have been forced to be reduced by recent standards worldwide. A prime
  • Simple Improvements, Significant Results - published in Power Engineering (.pdf)
    Digital control systems and advanced technologies like selective catalytic reduction (SCR) and low-NOx burners are commonly used in the power industry. Yet poor or inconsistent damper actuation remains a limiting factor in boiler control.

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