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