FIELD: petrochemical process catalysts.
SUBSTANCE: catalyst contains, wt %: group VIII metal 0.01-2.0, group IVA metal 0.01-5.0, europium 0.01-10.0, cerium 0.10-10.0, halogen 0.10-10.0m and refractory inorganic oxide 63.00-99.86.
EFFECT: enabled preparation of catalyst with relatively high activity and selectivity, low carbon sedimentation velocity, and prolonged lifetime in naphtha reforming processes.
11 cl, 6 dwg, 4 tbl
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Authors
Dates
2005-08-27—Published
2002-04-24—Filed