FCC catalyst and process

Details FCC catalyst and process FCC catalyst and process

1992-11-23

1994-03-15

Breneman, R. Bruce

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208119, 208113, 208121, 208122, 502 63, 502 73, C10G 1105, B01J 2906

Patent

active

052943321

ABSTRACT:
A process and catalyst are provided for the catalytic cracking of a hydrocarbon feedstock to catalytic cracking conversion products comprising the steps of contacting the hydrocarbon feedstock at catalytic cracking conditions with a catalytic cracking catalyst. The catalytic cracking catalyst is prepared by modifying a base catalyst comprising a crystalline molecular sieve and a binder by combining the base catalyst with an ion exchange solution comprising at least one trivalent cation, a trivalent cation complexing agent, and a hydroxide-producing component, wherein the ion exchange solution has a pH ranging from about 4 to about 8, and producing an ion exchanged catalyst and excess ion exchange solution. The modified catalyst is then separated from said excess ion exchange solution.

REFERENCES:
patent: 4377502 (1983-03-01), Klotz
patent: 5098684 (1992-03-01), Kresge et al.
Molecular Sieve Catalsts, p. 7, P. Michiels & O. C. E. De Herdt, EPO Applied Tech. Series, v. 9, The Hague, The Netherlands (1987).

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