ZEOLITE BLEND CATALYSTS FOR TREATING EXHAUST GAS Russian patent published in 2018 - IPC B01J29/70 B01J29/72 B01J29/76 B01J29/80 B01D53/94

Abstract RU 2669556 C2

FIELD: technological processes.

SUBSTANCE: invention relates to a catalyst, a catalytic element, and a method for treating an exhaust gas stream containing nitrogen oxides. Catalyst for treating an exhaust gas stream containing NO_x, comprises a blend of a transition cooper-promoted first zeolite and a second zeolite in at least one of NH₄⁺- form, wherein the second zeolite being essentially free of transition metals and non-framework metals, wherein the first and second zeolites having a framework structure of CHA.

EFFECT: ensuring the treatment of combustion exhaust gases.

10 cl, 3 dwg, 2 ex

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RU 2 669 556 C2

Authors

Chendler Gaj Richard

Grin Aleksandr Nikolas Majkl

Filips Pol Richard

Dates

2018-10-12—Published

2014-08-29—Filed