Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1991-07-24
1993-11-02
Morris, Theodore
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208118, 208120, C10G 1105
Patent
active
052581144
ABSTRACT:
A process and catalyst for catalytic cracking comprising a non-layered, ultra-large pore crystalline material. The crystalline material preferably has a benzene adsorption capacity greater than about 15 grams benzene/100 grams at 50 torr and 25.degree. C. Preferred materials have a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units and a hexagonal arrangement of uniformly sized pores with a maximum perpendicular cross section of at least about 13 Angstrom units. Preferred cracking catalysts comprise ultra-large pore materials having pore openings formed by at least 20 tetrahedrally coordinated members, most preferably with 36 or 42 tetahedrally coordinated members.
REFERENCES:
patent: 4309280 (1982-01-01), Rosinski et al.
patent: 5057296 (1991-10-01), Beck
patent: 5102643 (1992-04-01), Kresge et al.
"Ultralarge Pore Molecular Sieves", P. A. Jacobs & R. A. vanSanten, 1989 Elsevier Science Publishers, pp. 439-446.
Aufdembrink Brent A.
Chester Arthur W.
Herbst Joseph A.
Kresge Charles T.
Griffin Walter D.
Keen Malcolm D.
McKillop Alexander J.
Mobil Oil Corporation
Morris Theodore
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