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

Claim 2:
3. The process according to claim 1, wherein less than 0.5% by weight per hour of the catalyst present in the reactor is discharged from the reactor,
wherein in the second portion of the catalyst remaining in the reactor after 1000 operating hours, more than 98% by volume of all catalyst particles have a particle size greater than 10 μm,
wherein the first portion of the catalyst is collected in the at least one filter which allows retention of particles of 1 to 30 μm in size, and
wherein catalyst particles retained in further filters downstream of an inclined settler are to an extent of more than 50% by volume of particles smaller than 30 μm.