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The potential of silver on alumina (Ag/Al 2 O 3 ) catalyst for the oxidation of carbon particles in simulated lean combustion gas was explored. At low temperatures in the presence of NO x , oxygen, and water, the silver of the catalyst is transformed into silver nitrate. On heating, finely dispersed silver metal is formed that catalyzes the oxidation of NO into NO 2 ...
Ag/Al 2 O 3 is an active catalyst for selective catalytic reduction (SCR) of NO x using long paraffins as reducing agents. In view of the important role of surface nitrates in this catalytic chemistry, their formation on the Ag/Al 2 O 3 catalyst, i.e. on the alumina support and on the silver species, was quantified in this study under typical reaction conditions...
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