CATALYTIC ACTIVITY OF CoMgAl, CoAl AND MgAl OF MIXED OXIDES DERIVED FROM HYDROTALCITES IN THE SELECTIVE CATALYTIC REDUCTION OF NO WITH AMMONIA - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Reaction Kinetics and Catalysis Letters Année : 2006

CATALYTIC ACTIVITY OF CoMgAl, CoAl AND MgAl OF MIXED OXIDES DERIVED FROM HYDROTALCITES IN THE SELECTIVE CATALYTIC REDUCTION OF NO WITH AMMONIA

Résumé

Calcined CoMgAl LDHs and a Co-impregnated LDH were characterized by XRD, N2 physisorption, TPR and ICP elemental analysis, then tested in the selective catalytic reduction (SCR) of NO with ammonia. Cobalt deposited by impregnation on LDH leads to the more active and selective catalyst. On this type of catalyst nearly 80% of conversion and selectivity to N2 were reached at 578 K with a volume space velocity of 2200 h-1.

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Domaines

Catalyse

Dates et versions

hal-00177873 , version 1 (09-10-2007)

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Citer

Neila Najai Labidi, Abdelhamid Ghorbel, Didier Tichit, Gerard Delahay. CATALYTIC ACTIVITY OF CoMgAl, CoAl AND MgAl OF MIXED OXIDES DERIVED FROM HYDROTALCITES IN THE SELECTIVE CATALYTIC REDUCTION OF NO WITH AMMONIA. Reaction Kinetics and Catalysis Letters, 2006, 88 (2), pp.261-268. ⟨10.1007/s11144-006-0060-0⟩. ⟨hal-00177873⟩
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