Process for uniform and reproducible shell impregnation of fixed

Details Process for uniform and reproducible shell impregnation of fixed Process for uniform and reproducible shell impregnation of fixed

1993-11-24

1996-03-12

McFarlane, Anthony

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

Miscellaneous

502333, 502334, 502335, B01J 3702

Patent

active

054985900

ABSTRACT:
A process for uniform and reproducible impregnation of fixed bed catalyst supports in the form of loose particles with a desired shell volume, by applying atomized impregnating solutions of precursors of the catalytically active components onto the heap of catalyst supports circulated in a tank. By suitable selection of the spraying parameters, in particular the droplet size range, the quantity of solvent and the quantity of impregnating solution sprayed per rotation of the tank, the catalyst supports may be provided with shells with an excellent degree of uniformity.

REFERENCES:
patent: 4009125 (1977-02-01), Geierhaas
patent: 4255253 (1981-03-01), Herrington
patent: 4255285 (1981-03-01), Engelbach et al.
patent: 4472527 (1984-09-01), Otake et al.

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