Catalytic cracking process

Details Catalytic cracking process Catalytic cracking process

1986-06-04

1988-11-15

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

502 64, 208121, 208124, C10G 1105

Patent

active

047847506

ABSTRACT:
The invention concerns a hydrocarbon cracking catalyst containing a mixture of amorphous matrix with a zeolite, the zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio ranging from about 8 to 70, a sodium content lower than 0.15% by weight, a parameter a.sub..degree. of elementary mesh from 24.55 to 24.24.times.10.sup.-10 m, a capacity C.sub.Na to retake sodium ions, expressed in grams of sodium per 100 grams of modified zeolite, higher than 0.85, a specific surface higher than 400 m.sup.2.g.sup.-1, a sodium ion uptake steam adsorption capacity at 25.degree. C. (with a P/Po ratio of 0.10) higher than 6% by weight, a pore distribution such that from 1 to 20% of the pore volume is pores of a diameter ranging from 20 to 80.10.sup.-10 m, the remaining pore volume being essentially pores of a diameter lower than 20.10.sup.-10 m, the matrix being characterized by the following textural properties:

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