Process for preparing high surface area aluminas

Details Process for preparing high surface area aluminas Process for preparing high surface area aluminas

1980-05-02

1981-06-23

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423630, 252466PT, 252466J, C01F 704

Patent

active

042750520

ABSTRACT:
High surface area alumina, and a method of preparing them. More specifically, a method of preparing aluminas having a surface area of from about 300 square meters per gram to about 700 square meters per gram, by preparing a first solution of an aluminum alkoxide and an organic solvent selected from the group consisting of ethers, ketones, aldehydes, and mixtures thereof, admixing the first solution with a second solution comprising water and an organic solvent selected from the group consisting of ethers, ketones, aldehydes, and mixtures thereof, to form a solid material, and drying and calcining the solid material to recover alumina. Also, an alumina with an average micropore diameter of from about 20 angstroms to about 100 angstroms, and a total pore volume of from about 0.35 ml/g to about 1 ml/g.

REFERENCES:
patent: 3773691 (1973-11-01), Leach
patent: 3898322 (1975-08-01), Leach
patent: 3975509 (1976-08-01), Royer et al.
patent: 3975510 (1976-08-01), Leach et al.
patent: 4024231 (1977-05-01), Ziegenhein
patent: 4098874 (1978-07-01), Mitsche et al.

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