There are disclosed a process for hydrogenating treating crude oil in the presence of a catalyst which comprises subjecting crude oil to consecutive hydrogenation demetalling treatment, hydrocracking treatment and hydrodesulfurization treatment to carry out hydrogenation treatment, subsequently carrying...http://www.google.es/patents/US6342152?utm_source=gb-gplus-sharePatente US6342152 - Hydrogenation treatment process for crude oil and crude oil reformed thereby
Hydrogenation treatment process for crude oil and crude oil reformed thereby