Hydrocracking with rare earth-containing Y zeolite compositions

Details Hydrocracking with rare earth-containing Y zeolite compositions Hydrocracking with rare earth-containing Y zeolite compositions

1984-01-09

1986-01-21

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 89, 208136, 208138, 208143, 585467, 585481, 585722, 585739, C10G 4718, C10G 4720

Patent

active

045656215

ABSTRACT:
Y Zeolites are prepared with rare earth cations and Group VIII metal cations exchanged thereinto, such zeolites being especially useful in hydrocracking catalysts. The zeolites of the invention are prepared by exchanging a sodium Y zeolite with cations of one or more rare earth elements followed by a calcination, an ammonium ion exchange, and a Group VIII metal cation exchange. The resultant zeolite is not only highly active for catalytically promoting hydrocracking reactions but is also, after use in hydrocracking environments resulting in coke deposition, essentially completely regenerable by combustion of the coke.

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