SYSTEMS AND METHODS FOR SELECTIVE CATALYTIC REDUCTION AND/OR AMMONIA SLIP CATALYST SULFUR PROTECTION

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20250116219A1
SERIAL NO

18983182

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Abstract

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A method includes providing a zeolite material including a plurality of active sites. The plurality of active sites are bound to a plurality of hydrogen ions. The method includes exchanging at least a portion of the plurality of hydrogen ions with a plurality of copper ions, thereby forming a first amount of Z2Cu active sites that include copper (Cu2+) ions bound to the zeolite material and a first amount of ZCuOH active sites bound to copper hydroxide ions bound to the zeolite material. The method includes heating the zeolite material to a heat treatment temperature for a predefined time period to transform the zeolite material into a heat treated zeolite material. The heat treated zeolite material includes a second amount of Z2Cu active sites greater than the first amount of Z2Cu active sites and a second amount of ZCuOH active sites less than the first amount of ZCuOH active sites.

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Patent Owner(s)

Patent OwnerAddress
CUMMINS INC500 JACKSON ST COLUMBUS IN 47201

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ancimer, Richard J Toronto, CA 39 161
Cunningham, Michael J Columbus, US 37 484
Luo, Jinyong Columbus, US 16 6
Tang, Yadan Columbus, US 4 1
Wang, Di Columbus, US 212 651
Yezerets, Aleksey Columbus, US 60 547
Zha, Yuhui Columbus, US 5 7

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