An improved method is described for presulfiding and preconditioning a residuum hydrotreating or hydrocracking catalyst as an integrated part of the hydroconversion process in which catalyst is added on stream intermittently or continuously without {HEAD ~ interruption} of {TAIL ~ the hydroconversion process} 
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An improved method is described for presulfiding and preconditioning a residuum hydrotreating or hydrocracking catalyst as an integrated part of the hydroconversion process in which catalyst is added on stream intermittently or continuously without { HEAD ~ interruption } of { TAIL ~ the hydroconversion process }
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