The hydrotreater 160 in one embodiment employs conventional hydrotreating catalysts, is operated at a similarly high pressure (within 10 psig) as the rest of the upgrade system, and capable of removing sulfur, nitrogen and other impurities from the upgraded products with an HDN conversion level of >99.99%, lowering the sulfur level in fraction above 70??? F. boiling point in stream 162 to less tha