This invention further relates to {HEAD ~ an improved method} for integrating {TAIL ~ catalyst} presulfiding with a residuum hydroconversion process 
for integrating
This invention further relates to { HEAD ~ an improved method } for integrating { TAIL ~ catalyst } presulfiding with a residuum hydroconversion process
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH