Patent ID: 11858890
Assignee: RÖHM GMBH
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 1:
2. The process according to claim 1, wherein the catalyst is a fresh catalyst which comprises gold or palladium as a central active oxidation metal in a concentration of between 0.1% by weight and 10% by weight, based on a total weight of the catalyst, wherein the catalyst includes a further support material,
wherein particles of the catalyst have a size of 0.1 to 300 μm, wherein more than 95% by volume of the particles present have a size of less than 200 μm, and
wherein more than 50% by volume of the particles have a size between 10 and 90 μm, and
wherein a fines fraction of the particles in the reactor having a size of 0.1 μm to 10 μm is less than 10% by volume.