초록 ▼

The invention relates to a method for the selective catalytic oxidation of carbonmonoxide (CO) in H2-rich, CO2- and H2-containing gases in the presence of a noble metal catalyst on an alumina carrier with the addition of air as oxidizing agent. According to the invention, with this method α-AL2O3car

The invention relates to a method for the selective catalytic oxidation of carbonmonoxide (CO) in H2-rich, CO2- and H2-containing gases in the presence of a noble metal catalyst on an alumina carrier with the addition of air as oxidizing agent. According to the invention, with this method α-AL2O3carrier can be less than 25 m2/gram. The noble metal can be ruthenium or platinum and preferably a combination of ruthenium (Ru) and platinum (Pt), the sum of the quantities of RU and Pt being less than or equal to 1.0% (m/m).

대표청구항 ▼

1. A method for the selective catalytic oxidation of carbon monoxide comprising: catalytically oxidizing a quantity of carbon monoxide in H2-rich, CO2- and H2O-containing gases in the presence of a noble metal catalyst on an α-Al2O3carrier with the addition of a quantity of air as oxidizing agent

1. A method for the selective catalytic oxidation of carbon monoxide comprising: catalytically oxidizing a quantity of carbon monoxide in H2-rich, CO2- and H2O-containing gases in the presence of a noble metal catalyst on an α-Al2O3carrier with the addition of a quantity of air as oxidizing agent wherein the noble metal is a mixture of ruthenium and platinum. 2. The method of claim 1 in which the α-Al2O3carrier further comprises a specific surface area of between about 3 m2/gram and about 25 m2/gram. 3. The method of claim 1 in which the oxidation takes place at a temperature between about 100° C. and about 200° C. 4. The method of claim 3 in which the temperature is maintained via heat exchange. 5. The method of claim 1 in which the quantity of air added corresponds to a quantity of oxygen which in molar terms is about equal to the quantity of carbon monoxide to be oxidized. 6. The method of claim 1 in which the oxidation takes place at a temperature between about 120° C. and about 180° C. 7. The method of claim 1 in which the noble metal comprises a maximum of about 1.0% (m/m).