Deactivation-resistant catalyst for selective catalyst reduction of NOx

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The present invention relates to a catalyst for selective catalytic reduction of NOx in alkali metal containing flue gas using ammonia as reductant, the catalyst comprising a surface with catalytically active sites, wherein the surface is at least partly coated with a coating comprising at least one metal oxide. In another aspect the present invention relates to the use of said catalyst and to a method of producing said catalyst. In addition, the present invention relates to a method of treating an catalyst for conferring thereon an improved resistance to alkali poisoning.
Original languageEnglish
Patent numberWO 2011073396
Filing date23/06/2011
CountryDenmark
Publication statusPublished - 2011

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