Zeolite catalyst for removing nitrogen oxides, method for...

Details Zeolite catalyst for removing nitrogen oxides, method for... Zeolite catalyst for removing nitrogen oxides, method for...

2009-12-01

2011-11-01

Vanoy, Timothy (Department: 1734)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

C423S239200, C423S700000, C502S066000, C502S074000

Reexamination Certificate

active

08048393

ABSTRACT:
A zeolite catalyst for removing nitrogen oxides is provided, in which 5 to 30 wt % of manganese (Mn) and 2 to 20 wt % of iron (Fe) on the basis of the total weight of the catalyst are supported on zeolite, and a method for preparing the same, and a method for removing nitrogen oxides using the same are provided.

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Shi et al: “Low-temperature decomposition of NOx over Fe-Mn/H-beta catalysts in the presence of oxygen” Catalysis Communications, Elsevier Science, Amsterdam, NL, vol. 9, No. 6, (Dec. 4, 2007), pp. 1356-1359, XP022490053 ISSN: 1566-7367.
European Search Report, European Application No. 09177610.4-1270; Feb. 8, 2010.

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