Reforming using a bound zeolite catalyst

B - Operations – Transporting – 01 – J

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252/7, 260/688.5

B01J 29/12 (2006.01) B01J 29/62 (2006.01) C10G 35/085 (2006.01) C10G 35/095 (2006.01)

Patent

CA 1332233

ABSTRACT OF THE DISCLOSURE Reforming to produce aromatics from aliphatics, using a bound zeolite catalyst containing a Group VIII metal such as platinum, has been found to be extremely sensitive to water, even at water concentrations as low as 3 ppm in the feed, unless certain catalysts having a low water sensitivity index are used. The water sensitivity index (WSI) is described and methods for making catalysts with a low WSI are described. The sulfur content of the feed to the reforming/aromatics production process is pre- ferably below 50 parts per billion. The catalyst used in the reforming process is preferably a high crush strength catalyst and is preferably prepared by steps including treating L zeolite with a binding enhancement agent prior to binding with a binder such as silica, silica/alumina or alumina.

587439

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