SCR catalyst having improved adhesion of the zeolite-containing catalytic layer
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United States of America Patent
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Dec 11, 2018
Grant Date -
Feb 22, 2018
app pub date -
Feb 24, 2016
filing date -
Mar 5, 2015
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Abstract
The invention relates to: a catalytic composition that is active in the selective catalytic reduction of nitric oxides, containing an iron-containing MFI-type zeolite and an iron-containing BEA-type zeolite, wherein the weight average particle size d50 of the MFI-type zeolite and the BEA-type zeolite is different; a method for producing an SCR catalyst; and the SCR catalyst produced in this way. The adhesion of the coating is improved in that the weight average particle sizes of the MFI-type and BEA-type zeolites are different.
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