{HEAD ~ 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 interruption of {TAIL ~ the hydroconversion process} 
{ HEAD ~ 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 interruption of { TAIL ~ the hydroconversion process }
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