Alumina synthesis

Details Alumina synthesis Alumina synthesis

1974-01-04

1976-06-01

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423630, 252442, C01F 702

Patent

active

039610365

ABSTRACT:
High surface area alumina materials, which are particularly effective catalyst supports or carriers, are prepared by heating alumina monohydrate, alumina trihydrate or mixtures thereof from 450.degree.-500.degree. to at least 800.degree.F in the presence of excess elemental chlorine. The heating of the alumina material with elemental chlorine is conducted prior to said alumina material being heated to a temperature above about 450.degree.-500.degree.F in the absence of elemental chlorine. The alumina monohydrate or trihydrate compositions are derived from the aqueous phase reaction of ethylene oxide with aluminum chloride and/or aluminum hydroxychloride.

REFERENCES:
patent: 1951718 (1934-03-01), Ziese
patent: 2479110 (1949-08-01), Haensel
patent: 2642384 (1953-06-01), Cox
patent: 2893837 (1959-07-01), Kearby et al.
patent: 2914488 (1959-11-01), Gilbert

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