Production of alumina from aluminum nitrate solutions

Details Production of alumina from aluminum nitrate solutions Production of alumina from aluminum nitrate solutions

1979-07-10

1981-04-07

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423125, 423132, 423127, 423631, C01F 724, C01F 730

Patent

active

042605890

ABSTRACT:
Aluminum nitrate solutions are subjected to hydrolysis at elevated temperature and pressure, with the pressure being kept relatively low by continual bleeding of reactant gases from the reaction vessel. The resultant product is a noncrystalline alumina that may be readily converted to crystalline alumina by roasting.
In addition, the discharged reactant gases are employed for leaching of clay to provide aluminum nitrate feed solution.

REFERENCES:
patent: 2737445 (1956-03-01), Nossen
patent: 3366446 (1968-01-01), Kelly et al.
patent: 3864462 (1975-02-01), Bruen et al.
patent: 3925538 (1975-12-01), Bruen et al.
patent: 4044115 (1977-08-01), Eiscle et al.
patent: 4094955 (1978-06-01), Bayer et al.

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