Catalyst article for exhaust system of natural gas engine
AssigneeJohnson Matthey Public Limited Company
InventorsMoyahabo Hellen Chuma, Glenn Jones, Jane Ngima Mugo, Agnes Raj
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Abstract
The present invention relates to a catalyst article for the exhaust system of a natural gas engine with improved sulphur and/or water tolerance. The catalyst article comprises a doped palladium-on-alumina catalyst, wherein the palladium-on-alumina catalyst is doped with manganese and/or zinc. The invention further relates to an exhaust gas treatment system, a natural gas combustion engine and to a method for the treatment of an exhaust gas from a natural gas combustion engine.
Claims5
A catalyst article for the treatment of methane in an exhaust gas from a natural gas combustion engine, wherein the exhaust gas comprises 5 to 12 wt % water,
- wherein the catalyst article comprises a doped palladium-on-alumina catalyst, wherein the palladium-on-alumina catalyst is doped with zinc,
- wherein the catalyst article has a palladium loading of from 100 to 200 g/ft3, wherein the catalyst article has a zinc loading of from 20 to 80 g/ft3.
Dependencies are inferred from the claim text.