1–12 von 12 Ergebnissen
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    TWC+LNT/SCR Systems for Satisfying Tier 2, Bin 2 Emission Standards on Lean-Burn Gasoline Engines

    Cavataio, Giovanni / Kim, Jeong / Theis, Joseph R. | SAE Technical Papers | 2015
    A laboratory study was performed to assess the potential capability of TWC+LNT/SCR systems to satisfy the Tier 2, Bin 2 emission standards ...
    Verlag: Society of Automotive Engineers , SAE International

    The Impacts of Pd in BEA Zeolite on Decreasing Cold-Start NMOG Emission of an E85 Fuel Vehicle

    Cavataio, Giovanni / Jen, Hungwen / Lupescu, Jason et al. | SAE Technical Papers | 2018
    In the development of hydrocarbon (HC) traps for E85 fuel vehicle emission control, the addition of palladium (Pd) to BEA zeolite was ...
    Verlag: Society of Automotive Engineers , SAE International

    Technical Advantages of Vanadium SCR Systems for Diesel NOx Control in Emerging Markets

    Lambert, Christine / Montreuil, Clifford / Cavataio, Giovanni et al. | SAE Technical Papers | 2008
    avoid high sulfate emissions, but the aftertreatment system must be durable to high sulfur levels because there is a risk of exposure to high ...
    Verlag: Society of Automotive Engineers , SAE International

    Sulfur Tolerance and DeSOx Studies on Diesel SCR Catalysts

    Lambert, Christine / Montreuil, Clifford / Cavataio, Giovanni et al. | SAE Technical Papers | 2008
    Base metal/zeolite catalysts, particularly containing copper and iron, are among the leading candidates for treatment of NOx emissions for ...
    Verlag: Society of Automotive Engineers , SAE International

    Passive TWC+SCR Systems for Satisfying Tier 2, Bin 2 Emission Standards on Lean-Burn Gasoline Engines

    Cavataio, Giovanni / Kim, Jeong / Theis, Joseph R. | SAE Technical Papers | 2015
    A laboratory study was performed to assess the potential capability of passive TWC+SCR systems to satisfy the Tier 2, Bin 2 emission ...
    Verlag: Society of Automotive Engineers , SAE International

    Laboratory Study of Soot, Propylene, and Diesel Fuel Impact on Zeolite-Based SCR Filter Catalysts

    Lambert, Christine K. / Dobson, Douglas / Cavataio, Giovanni et al. | SAE Technical Papers | 2009
    Selective Catalytic Reduction (SCR) catalysts have been designed to reduce NOx with the assistance of an ammonia-based reductant. Diesel ...
    Verlag: Society of Automotive Engineers , SAE International

    Impact and Prevention of Ultra-Low Contamination of Platinum Group Metals on SCR Catalysts Due to DOC Design

    Lambert, Christine K. / Dobson, Douglas / Cavataio, Giovanni et al. | SAE Technical Papers | 2009
    Diesel aftertreatment systems configured with a diesel oxidation catalyst (DOC) upstream of an urea selective catalytic reduction (SCR ...
    Verlag: Society of Automotive Engineers , SAE International

    Enhanced Durability of a Cu/Zeolite Based SCR Catalyst

    Lambert, Christine K. / Cavataio, Giovanni / Jen, Hung-Wen et al. | SAE Technical Papers | 2008
    temperature regime. Selective catalytic reduction (SCR) catalysts formulated with Cu/zeolites have shown the potential to deliver this level of ...
    Verlag: Society of Automotive Engineers , SAE International

    Effect of Unburned Methyl Esters on the NOx Conversion of Fe-Zeolite SCR Catalyst

    Williams, Aaron / Pedersen, Dan / Cavataio, Giovanni et al. | SAE Technical Papers | 2009
    Engine and flow reactor experiments were conducted to determine the impact of biodiesel relative to ultra-low-sulfur diesel (ULSD) on ...
    Verlag: Society of Automotive Engineers , SAE International

    Detection, Origin and Effect of Ultra-Low Platinum Contamination on Diesel-SCR Catalysts

    Cavataio, Giovanni / Jen, Hung-Wen / Girard, James W. et al. | SAE Technical Papers | 2008
    This paper discusses the poisoning of a selective catalytic reduction (SCR) catalyst by trace levels of platinum originating from an ...
    Verlag: Society of Automotive Engineers , SAE International

    Combined Fe-Cu SCR Systems with Optimized Ammonia to NOx Ratio for Diesel NOx Control

    Lambert, Christine / Cavataio, Giovanni / Girard, James et al. | SAE Technical Papers | 2008
    Selective catalytic reduction (SCR) is a viable option for control of oxides of nitrogen (NOx) from diesel engines. Currently, copper ...
    Verlag: Society of Automotive Engineers , SAE International

    A Study of Active and Passive Regeneration Using Laboratory Generated Soot on a Variety of SiC Diesel Particulate Filter Formulations

    Dobson, Douglas / Cavataio, Giovanni / Warner, James R. | SAE Technical Papers | 2010
    In this study an attempt to understand and demonstrate the effects of various washcoat technologies under active and passive regeneration ...
    Verlag: Society of Automotive Engineers , SAE International