How A Generator Set Is A Stationary Sets - 823 Words

8. A Generator Set is a Stationary ICE, not a Non Road A generator set which is classified as a Stationary ICE is clearly excluded from the Title II of the CCA. At that time, the EPA intended for Stationary ICE to be to regulate by NSPS. ``Nothing in Title II of this Act relating to nonroad engines shall be construed to apply to stationary internal combustion engines. Environmental Protection Agency, June 17, 1994 However, legislation for the Stationary ICE (also known as RICE by the EPA) was only finalized in July 2006. Given that Non road CI engines was established earlier in 1994 and engine manufacturers would often use the same engine for both non road and stationary application. Hence, the EPA decided to use the same Non road CI†¦show more content†¦Tier 4 further significantly reduce NOx emission to near zero, additional emission control devices is needed due to more stringent standard. Control devices such as Exhaust Gas Recirculation (EGR) or Selectively Catalytic Reduction (SCR) are commonly found in higher Tiered engines. EGR as its name suggests recirculates part of the exhaust gas (cooled) back to the combustion chamber. This mixture of fresh air and recirculated exhaust reduces the concentration of oxygen and reduce combustion temperature. These mechanisms reduce NOx production at the expense of fuel efficiency and PM emission. SCR is an exhaust after treatment system that uses a chemical, Urea (commercial name Adblue) which reacts with NOx to form water and carbon dioxide. This technology reduced NOx by 70 to 80%. The drawbacks of such a system is the requirement of a separate tank for Urea as it is consumable and poor efficiency at low temperatures. 12. ABT: Averaging, Banking, Trading In order to provide flexibility for engine manufacturers to meet NOx emission standard, the ABT program was implemented. This program allows manufacturers to gain credits if the family emission limits (FELs) above or below the applicable emission standard. These credits can be used to offset engines with emissions above the FELs or traded with other manufacturer. 13. Emergency and Non-emergency CI engines The NSPS classifiesShow MoreRelatedPhysics Mastery Lab830 Words   |  4 PagesCollege December 10, 2013 Purpose: The purpose of this experiment is to measure the speed of sound in air and to determine the effects of frequency on the speed of sound. Apparatus (equipment used): Signal generator: manufacturer- EMCO, model number- SS-1, range- 20Hz-2MHz, least count- 1Hz Frequency meter: manufacturer- DEADALON CORPORATION, model number- N/A, range- 20Hz-2MHz, least count 1 kilohertz Oscilloscope: manufacturer- BK Precision, model number-Read MoreFossil Fuel Consumption and Greenhouse Gas Emission Essay1363 Words   |  6 Pages492-494). 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