Process for producing an alumina catalyst carrier

Details Process for producing an alumina catalyst carrier Process for producing an alumina catalyst carrier

1979-03-05

1980-09-23

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423212, 423625, 252463, C01F 702, C01F 744

Patent

active

042243025

ABSTRACT:
A catalyst carrier high in strength and suitable for use in internal combustion engines is produced by transforming a boehmite into .gamma.-alumina at a high temperature, transforming the .gamma.-alumina into .alpha.-alumina at a high temperature and sintering the .alpha.-alumina, boehmite having been prepared by forming a large number of agglomerates of adequate size from powdered aluminum hydroxide (Al.sub.2 O.sub.3.3H.sub.2 O) and contacting the agglomerates with water vapor at a high temperature and a high pressure to transform the aluminum hydroxide into boehmite.

REFERENCES:
patent: 3392125 (1968-07-01), Kelley et al.
patent: 3582271 (1971-06-01), Minagawa et al.
patent: 3628914 (1971-12-01), Gaulici
patent: 3850849 (1974-11-01), Kiovsky et al.
patent: 3853789 (1974-12-01), Warthen et al.
patent: 3945945 (1976-03-01), Kiovsky et al.
patent: 3975510 (1976-08-01), Leach et al.

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