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Showing 1 to 4 of 4 for “"HC-SCR"”.
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HC-SCR of NO\(_x\) emissions over Ag-AL\(_2\)O\(_3\) catalysts using diesel fuel as a reductant
Hydrocarbon selective catalytic reduction (HC-SCR) of nitrogen oxides (NO\(_x\)) over silver-alumina (Ag-Al\(_2\)O\(_3\)) catalysts, in diesel exhaust gas, has been investigated and presented in this research thesis. The work involved the use of H\(_2\) to activate diesel-type HC reductants. …
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Applied and Fundamental Studies of LNT-SCR Dual-layer Monolithic Catalysts for Lean NOx Emission Control
… trap (LNT)) and selective catalytic reduction (SCR) technologies. This dissertation conducts applied and fundamental studies of coupled LNT-SCR dual-layer catalysts with the aim of expanding the operating temperature window of a conventional NSR system at lower cost. This is accomplished by a …
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Detaillierte Modellierung von Abgaskatalysatoren
… für den Transport in der Gasphase und im Washcoat beschrieben. Es werden unterschiedliche Transportmodelle miteinander verglichen, die sich im Detaillierungsgrad und Rechenzeitbedarf unterscheiden. Als Katalysatorsystem wird zunächst Pt/Al2O3 betrachtet. Es werden die Elementarreaktionen und …
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On-Board-Reduktionsmittelherstellung zur NO x-Emissionsminderung bei Dieselfahrzeugen
The reduction of Diesel engine exhaust NOx emissions requires a reductant due to the composition (high oxygen content) of the exhaust gas. An efficient reductant is selected based on the comparison of literature data of different NOx reduction processes. A process for the on-board synthesis of this …