| 摘要 |
The invention relates to molded catalyst bodies made of metal oxides, which are equipped with palladium and gold as well as an alkali compound and dopants, characterized in that the molded catalyst bodies are equipped with at least two dopants from the group consisting of the oxides of tungsten, titanium, zirconium, aluminum, boron, iron and niobium. Another object of the invention is the use of the molded catalyst bodies in processes for the production of vinyl acetate by means of gas phase oxidation of acetic acid and ethylene. |
