Patent ID: 11873457
Assignee: RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 4:
5. The process according to claim 1, wherein the first hydrotreatment is conducted in the presence of a first hydrotreating catalyst under conditions including:
a hydrogen partial pressure of about 3.0-20.0 MPa, a reaction temperature of about 300-450° C., a volume space velocity of about 0.1-10.0h−1, and a hydrogen-to-oil volume ratio of about 100-1500 standard cubic meters/cubic meter;
the first hydrotreating catalyst comprises about 60-99 wt % of a carrier, which is one or more selected from the group consisting of alumina, silica and amorphous silica-alumina, and about 5-40 wt % of an active metal (calculated as oxide) selected from the group consisting of Group VIB metals, Group VIII metals, and a combination thereof.