RU98123948A - OXIDATION CATALYST - Google Patents

Claims (9)

1. The catalyst for use in the catalytic oxidation of carbon monoxide and hydrocarbons containing an oxide carrier comprising zirconium oxide, cerium oxide or mixtures thereof, present in an amount of at least 50 wt.% Of the catalyst, having gold and a transition metal oxide included therein moreover, gold forms a complex with a transition metal oxide and titanium oxide as such or in the form of a mixture with molybdenum oxide, such as oxide or a mixture is present in an amount up to 15 wt.% of the catalyst.  2. The catalyst according to claim 1, in which titanium oxide or its mixture with molybdenum oxide is present in an amount up to 10 wt.% Of the catalyst.  3. The catalyst according to any one of the preceding paragraphs, in which the oxide carrier is in the form of fine particles. 4. The catalyst according to any one of the preceding paragraphs, in which the surface area of the oxide carrier is approximately 80-200 m ² / g  5. The catalyst according to any one of the preceding paragraphs, in which the oxide carrier contains a mixture of zirconium oxide and cerium oxide, wherein the cerium oxide comprises at least 50 wt.% Of the mixture.  6. The catalyst according to any one of the preceding paragraphs, in which the transition metal oxide has a spinel structure.  7. The catalyst according to any one of the preceding paragraphs, in which the transition metal oxide is selected from cobalt oxide and iron oxide (3).  8. A method of oxidizing carbon monoxide or hydrocarbons in the presence of a sulfur compound, comprising the step of catalytic oxidation using a catalyst according to any one of the preceding paragraphs.  9. The method of claim 8, wherein the sulfur compound is sulfur dioxide.