Molecular Sieve Catalyst Compositions, Catalyst Composites, Systems, And Methods

Molecular Sieve Catalyst Compositions, Catalyst Composites, Systems, And Methods

Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TRUKHAN NATALIA, HOCHMUTH JOHN K, BREEN MICHAEL, MÜLLER ULRICH, SLAWSKI BARBARA, MOHANAN JAYA L, KRAUS MARTIN W, FU QI, MOINI AHMAD, YANG XIAOFAN
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.