APPLIED CATALYST BASED ON NOBLE METAL FOR EXHAUST GAS TREATMENT Russian patent published in 2017 - IPC B01D53/94 B01J23/38 B01J23/63 

FIELD: chemistry.

SUBSTANCE: exhaust gas treatment method consists in contacting an exhaust gas containing excess oxygen and a saturated hydrocarbon with an oxidation catalyst and oxidising a portion of the saturated hydrocarbon to produce CO₂ and H₂O, wherein the oxidation catalyst comprises a noble metal on a support comprising, at least, 75 weight percent of zirconia, a stabilising amount of silica of up to 20 weight percent, and a stabilising amount of yttrium oxide ranging of 1 to 20 weight percent.

EFFECT: improved catalyst activity in oxidation.

12 cl, 2 dwg, 3 tbl, 7 ex