Method for manufacturing a high porous alumina having a large su

Details Method for manufacturing a high porous alumina having a large su Method for manufacturing a high porous alumina having a large su

1978-05-23

1979-11-20

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423630, 423631, C01F 702

Patent

active

041751183

ABSTRACT:
A highly porous alumina having a large surface area and a low bulk density is prepared by hydrolyzing an aluminum alcoholate at a temperature of 40.degree. to 90.degree. C. in an aqueous solution containing 8 to 30% by weight of a compound which upon drying or activating splits out NH.sub.3 and/or CO.sub.2, there being used 0.5 to 3 parts by weight of the compound per 10 parts of aluminum alcoholate. The aluminum oxyhydrate paste formed by the hydrolysis is separated from the alcohol phase, in a given case is also purified, and subsequently dried or activated.

REFERENCES:
patent: 2970891 (1961-02-01), Hinlicky
patent: 2970892 (1961-02-01), Kirshenbaum et al.
patent: 3042696 (1962-07-01), Aldridge
patent: 3647374 (1972-03-01), Normura et al.
patent: 3898322 (1975-08-01), Leach
patent: 3941719 (1976-03-01), Yoldas
patent: 3987155 (1976-10-01), Ziegenhain

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