A slurry catalytic hydroconversion process comprising at least two hydroconversion zones is provided in which the heavy hydrocarbonaceous fresh oil feed is added to more than one hydroconversion zone. Additional portions of catalysts or catalyst precursors are also added to the first hydroconversion zone and to additional hydroconversion zones wherein said additional hydroconversion zones are maintained at a temperature of at least 10.degree.F higher than an immediate preceding hydroconversion zone.
申请公布号
CA1287591(C)
申请公布日期
1991.08.13
申请号
CA19870535545
申请日期
1987.04.24
申请人
EXXON RESEARCH AND ENGINEERING COMPANY
发明人
ALDRIDGE, CLYDE L.;LEWIS, WILLIAM E.;BEARDEN, ROBY, JR.;MAYER, FRANCIS X.