Patent ID: 7938953
Filing Date: 2011-05-10
Classification: C10G

Abstract:
1. A process of heavy vacuum residue conversion and vacuum gas oil treating wherein vacuum residue feedstock is first processed through a heavy oil conversion unit said process comprising: vacuum separation of the effluent from said conversion unit to obtain a heavy, heavy vacuum gas oil (HHVGO) stream, said HHVGO stream having greater than 90% wt boiling in the 8450-1050° F. range, a light vacuum gasoil (LVGO) stream in which 90-100% wt boils below 1000° F., a medium vacuum gas oil MVGO stream, and vacuum bottoms stream, and wherein at least a portion of said LVGO and said MVGO is thereafter hydrotreated or hydrocracked and a portion of said HHVGO stream is thereafter recycled back to the heavy oil conversion unit reactor.