Novel hydrocracking or cracking catalyst for hydrocarbon charges

Details Novel hydrocracking or cracking catalyst for hydrocarbon charges Novel hydrocracking or cracking catalyst for hydrocarbon charges

1987-04-16

1988-04-19

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 74, B01J 2910

Patent

active

047389400

ABSTRACT:
The invention relates to a novel hydrocarbon hydroconversion catalyst. This catalyst is a mixture of a matrix and a zeolite, the zeolite having a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 comprised between about 8 and 70, a sodium content below 0.15% by weight, a parameter a of the elementary mesh comprised between 24.55.times.10.sup.-10 m and 24.24.times.10.sup.-10 m, a sodium ion take-up capacity C.sub.Na expressed in grams of sodium per 100 grams of the modified zeolite, higher than 0.85%, a specific surface higher than 400 m.sup.2.g.sup.-1, a water vapor adsorption capacity at 25.degree. C. (at a P/Po ratio equal to 0.10) higher than 6%, a pore distribution comprised between 1 to 20% of the pore volume, contained in pores of diameter situated between 20 and 80.times.10.sup.-10 m, the remainder of the volume being essentially contained in pores of diameter less than 20.times.10.sup.-10 m. The pore volume V (desorption isotherm of nitrogen) and the micropore distribution DV/dD are demonstrated particularly in FIG. 1.

REFERENCES:
patent: 4120825 (1978-10-01), Ward

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