Stabilized reforming catalyst

Details Stabilized reforming catalyst Stabilized reforming catalyst

1980-10-02

1982-01-19

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

252441, C10G 3509

Patent

active

043115829

ABSTRACT:
Thermal stability of a halide-promoted, supported noble metal reforming catalyst is improved by employing a modified alumina support whose alumina precursor comprises at least about 75 weight percent boehmite, having an average crystallite diameter no greater than about 60 Angstroms. The thermal stability of the support is improved by the inclusion of a minor amount of silica, preferably added as an alkali-metal silicate to a mull of alumina prior to its extrusion and calcination with subsequent washing to remove the alkali metal.

REFERENCES:
patent: 3717586 (1973-02-01), Suggitt et al.
patent: 3977999 (1976-08-01), Erickson
patent: 4124490 (1978-11-01), Collins et al.
patent: 4155834 (1979-05-01), Gallagher
patent: 4159257 (1979-06-01), Engelhard et al.

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