Patent ID: 11866656
Assignee: IFP ENERGIES NOUVELLES
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. The process as claimed in claim 1, in which the catalyst of stage a) comprises alumina and an active phase comprising cobalt, molybdenum and optionally phosphorus, said catalyst containing a content by weight, with respect to the total weight of catalyst, of cobalt oxide, in CoO form, of between 0.1% and 10%, a content by weight, with respect to the total weight of catalyst, of molybdenum oxide, in MoO3 form, of between 1% and 20%, a cobalt/molybdenum molar ratio of between 0.1 and 0.8 and a content by weight, with respect to the total weight of catalyst, of phosphorus oxide in P2O5 form of between 0.3% and 10%, when phosphorus is present, said catalyst having a specific surface area between 30 and 180 m2/g.