Naphtha reforming catalyst and process

Details Naphtha reforming catalyst and process Naphtha reforming catalyst and process

1997-11-07

1999-11-09

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208134, C10G 3504

Patent

active

059807318

ABSTRACT:
The invention provides a crystalline type L zeolite reforming catalyst comprising cylindrically shaped crystals having a length of 0.6 microns or less and an average length: diameter ratio of less than about 0.5, the catalyst containing at least one Group VIII metal and from about 0.1 to 2 wt % halogen e.g., chlorine. Also provided is a method for activating or regenerating the catalyst wherein a fresh or de-coked catalyst is oxychlorinated, purged to remove excess chlorine and reduced. The catalysts are particularly useful for the reforming of C.sub.6 to C.sub.11 naphthas to produce reformates having a high content of C.sub.6 to C.sub.8 light aromatics and a reduced content of heavier C.sub.9 and C.sub.10 aromatics.

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