enow.com Web Search

  1. Ad

    related to: urea for diesel engines

Search results

  1. Results from the WOW.Com Content Network
  2. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. DEF is consumed in a selective catalytic reduction (SCR) that lowers the ...

  3. Selective catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_catalytic_reduction

    Diesel engines manufactured after January 1, 2010 are required to meet lowered NOx standards for the US market. All of the heavy-duty engine (Class 7-8 trucks) manufacturers except for Navistar International and Caterpillar continuing to manufacture engines after this date have chosen to use SCR.

  4. Urea - Wikipedia

    en.wikipedia.org/wiki/Urea

    Urea is used in Selective Non-Catalytic Reduction (SNCR) and Selective Catalytic Reduction (SCR) reactions to reduce the NO x pollutants in exhaust gases from combustion from diesel, dual fuel, and lean-burn natural gas engines. The BlueTec system, for example, injects a water-based urea solution into the exhaust system.

  5. BlueTEC - Wikipedia

    en.wikipedia.org/wiki/BlueTec

    BlueTEC is Mercedes-Benz Group's marketing name for engines equipped with advanced NO x reducing technology for vehicle emissions control in diesel-powered vehicles.The technology in BlueTec vehicles includes a selective catalytic reduction (SCR) system that uses diesel exhaust fluid, and a system of NOx adsorbers the automaker calls DeNO x, which uses an oxidizing catalytic converter and ...

  6. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    British Rail Class 55 Deltic diesel locomotive with their characteristic dense exhaust when starting a train. Diesel exhaust is the exhaust gas produced by a diesel engine, plus any contained particulates. Its composition may vary with the fuel type, rate of consumption or speed of engine operation (e.g., idling or at speed or under load), and ...

  7. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    To deal with this problem, in 2005 Volkswagen licensed Mercedes' urea-based selective catalytic reduction (SCR) system called BlueTec for future diesel engine development. [ 56 ] [ 53 ] While effective at reducing NO x , an SCR system like Bluetec was expensive, high-maintenance and required more space than other methods, making it unsuitable ...

  8. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    For compression-ignition (i.e., diesel) engines, the most commonly used catalytic converter is the diesel oxidation catalyst (DOC). DOCs contain palladium or platinum supported on alumina. This catalyst converts particulate matter (PM), hydrocarbons, and carbon monoxide to carbon dioxide and water. These converters often operate at 90 percent ...

  9. Cummins X-series engine - Wikipedia

    en.wikipedia.org/wiki/Cummins_X-series_engine

    The Cummins X-series engine is an Inline (Straight)-6 diesel engine produced by Cummins for heavy duty trucks and motorcoaches, replacing the N14 in 2001 when emissions regulations passed by the EPA made the engine obsolete. Originally called the "Signature" series engine, the ISX uses the "Intellect System" (hence the "IS" which is the moniker ...

  1. Ad

    related to: urea for diesel engines