Porous catalyst washcoats
AssigneeBASF SE
InventorsXinsheng Liu, Esra Cinar, Chunjuan Zhang, Pascaline Harrison Tran
Life of this patent
Estimating the term…
Abstract
Catalyst washcoats with improved porosity and methods for making the washcoats are provided. The process comprises incorporation of an oil-in-water macroemulsion into the catalyst slurry prior to washcoating the carrier substrate, and calcining the washcoated carrier substrate to remove the oil-in-water macroemulsion. Also provided are catalyst articles comprising the washcoat and methods for abatement of exhaust gas emissions.
Claims9
A catalyst article comprising a catalyst washcoat on a carrier substrate, wherein about 30%-100% of pores within the catalyst washcoat are about 15 μm-100 μm in size in at least one dimension.
Dependencies are inferred from the claim text.