Selective catalytic reduction (SCR) is a means of converting nitrogen oxides, also referred to as NO x with the aid of a catalyst into diatomic nitrogen (N 2) , and water (H 2O). A gaseous reductant, typically anhydrous ammonia, aqueous ammonia or urea, is added to a stream of flue or exhaust gas and is adsorbed onto a?
Apr 11, 2017 Introduction: High temperature brazing furnace is applied for brazing of copper, Ni, gold, stainless steel, high-temp alloy, especially heat-resistant alloy
Selective catalytic reduction of NOx with NH3 (NH3-SCR) at low temperature is a major challenge in environmental catalysis. In recent years, great efforts have been devoted to the development of low-temperature SCR catalysts for both stationary sources and diesel engines. Mn-based catalysts have attracted gr.
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substrates with different geometry and channels are used as car- riers of diesel oxidation catalyst, three way catalyst and selective catalytic reduction (SCR) NOx catalyst. Wiremesh materials are chosen not only to withstand corrosion and erosion environments but also durable at maximum continuous operating temperature.
Apr 25, 2012 Oxidation and Selective Catalytic Reduction (SCR) catalysts as Due to the high corrosive load of exhaust gas environments, the corrosion resistance of brazed stainless steel joints is of significant importance for their use in automotive exhaust the high temperature and the exhaust condensate attacking.
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