The method is used to condition, activate, or presulfide fresh or regenerated catalyst prior to its addition to the hydroconversion reactor utilizing {HEAD ~ product streams} from {TAIL ~ the hydroconversion process} 
The method is used to condition , activate , or presulfide fresh or regenerated catalyst prior to its addition to the hydroconversion reactor utilizing { HEAD ~ product streams } from { TAIL ~ the hydroconversion process }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL