NH3-SCR

nullDeNOx Technologies— Selective catalytic reduction of NOx with NH3DeNOx Technologies— Selective catalytic reduction of NOx with NH3H. Pan 2010-05Why?Why?Part 1nullHazard-NO,NO2nullGreenhouseHazard-N2ONOx pollution statusNOx pollution statusRichter. A., Burrows. J. P., Nü.β,H., Granie. C. & Niemeier. U. Nature, 2005 Where?Where?Part 2Source of NOxSource of NOxMobileStationaryHow?How?Part 3nullDeNOx TechnologiesMethodsChemical absorptionAdsorptionSelective catalytic reduction (SCR)Catalytic decompositionSelective non-catalytic reduction (SNCR)Chemical absorption +Bioreductionnull12NH3-SCRReductantReductant100 GW (Urea) 55 GW (70%NH3,30%Urea) 23.1 GW (NH3)CatalystCatalystV2O5-WO3 (MoO3)/TiO2CatalystCatalystPlateHoneycombnull1050℃650℃350℃EconomizerSCR reactorSCR reactornullProblems of NH3-SCR Solution DirectionnullThanks for your attention!