Silver/Alumina Catalyst for Selective Catalytic Reduction of NO
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to N2 by Hydrocarbons in Diesel Powered Vehicles |
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| Authors: | L-E Lindfors K Eränen F Klingstedt DYu Murzin |
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| Affiliation: | 1. Laboratory of Industrial Chemistry, Process Chemistry Centre, ?bo Akademi University, Biskopsgatan 8, 20500, ?bo/Turku, Finland
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| Abstract: | Ag/alumina has been found to be a promising catalyst for the selective catalytic reduction of NO x to N2 by hydrocarbons (HC-SCR) in laboratory tests as well as in full-scale diesel engine operation. The steps in developing an active silver catalyst for practical applications involve knowledge of the mechanism, choice of the right metal content and correct support, adjustment of the concentration of the hydrocarbon to be used for reduction reactions etc. As gas phase reactions seem to play a significant role in obtaining high NO to N2 conversion, also reactor aspects have to be included in the optimisation procedure of a full size Ag/alumina catalytic converter. |
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