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  • 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
  • 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
  • Palladium/Rhodium Dual-Catalyst LEV 2 and Bin 4 Close-Coupled Emission Solutions
    Dual-monolith catalyst systems containing Pd/Rh three-way catalysts (TWCs) provide effective emission. solutions for LEV2/Bin 5 and Bin 4 close-coupled applications at low PGM loadings. These systems combine washcoat technology and PGM distribution for front and rear catalysts resulting in optimal
  • Power Plant SCR Units and Ammonia Safety Measures
    boilers, co-generation, and combined cycle plants already use SCR or SNCR systems to comply with current and future NOx emission standards. An SCR system is installed in the flue work, often between the economizer and the air heater. An ammonia injection area is followed by a reactor section downstream
  • Power Generation
    that include fuel measurement (gas and liquid), wet NOx emission reduction spray systems, critical cooling water flow, fuel conditioning flows and condensate flows to name but a few. Recently, Hoffer was awarded orders from several multi-national engineering and construction firms to supply
  • Emission Systems Optimization to Meet Future European Legislation (.pdf)
    Euro IV emissions limits have become a major milestone for the car industry in Europe. To comply with reduced emissions targets, a significant effort was required to minimize light-off time and to improve steady state performance for the pollutants HC and NOx.
  • A Study of Methods to Lower HC and CO Emissions in Diesel HCCI (.pdf)
    the reduction of NOx and particulate emissions to very low levels for low loads thanks to a high level of external Exhaust Gas Recirculation (EGR) while maintaining CO2 emission advantage of diesel engines.
  • Innovative Thermal Oxidizer Design Reduces Emissions and Natural Gas Consumption
    ) was not destroying the CO and VOCs and limiting NOx generation to the levels required by state "minor source emission" standards. In addition, the marginal VOC and CO performance was at temperatures that were too high to match the facility's steam requirements.

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