Alumina compositions and methods for making and using same

Details Alumina compositions and methods for making and using same Alumina compositions and methods for making and using same

1972-09-07

1976-08-31

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, 252463, 252466PT, 208138, 208139, B01J 2708, B01J 2710, B01J 2712

Patent

active

039779998

ABSTRACT:
A composition of matter useful, for example, as a catalyst component, comprising macrosized particles containing a mixture of two distinct phases, the phases being 1) calcined discrete entities comprising first alumina a major portion of which have a minimum dimension greater than about 50 microns and a maximum dimension of less than 200 microns and 2) a phase comprising calcined second alumina wherein the weight ratio of (1) to (2) is within the range from about 0.05:1 to about 2:1 and the second alumina is first calcined after the formation of microsize particles.
Methods for producing this composition of matter and for using this composition of matter in a hydrocarbon conversion process are also included.

REFERENCES:
patent: 3060132 (1962-10-01), Neeks et al.
patent: 3415737 (1968-12-01), Kluksdahl
patent: 3520654 (1970-07-01), Carr et al.
patent: 3654186 (1972-04-01), Vesely
patent: 3669904 (1972-06-01), Cornelius et al.
patent: 3725249 (1973-04-01), Vesely et al.

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