Patent ID: 6300535
Filing Date: 2001-10-09
Classification: B01J,C01B,C07C

Abstract:
A process for converting hydrocarbons comprising contacting a hydrocarbon feedstream under hydrocarbon conversion conditions with a zeolite-bound zeolite which does not contain significant amounts of non-zeolitic binder said zeolite-bound zeolite prepared by a process which comprises:(a) Forming an extrudable mass comprising core crystals of a zeolite other than MFI, silica, water, an effective amount of seeds of MFI structure type zeolite, and optionally an extrusion aid;(b) Extruding the extrudable mass to form silica-bound zeolite aggregates; and(c) Aging the silica bound zeolite aggregate in an aqueous ionic solution containing sufficient hydroxy ions and optionally an organic template at sufficient temperature to cause the silica binder to be converted to MFI binder crystals.