Method for producing alumina

Details Method for producing alumina Method for producing alumina

1971-12-06

1978-01-03

Shine, W. J.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

252463, C01F 702, B01J 2104

Patent

active

040667405

ABSTRACT:
Alumina particles derived from hydrous alumina predominating in .alpha.-alumina monohydrate having a crystallite size of less than 100A and having increased porosity can be prepared by a process which comprises forming a mixture of an aqueous slurry of the hydrous alumina and at least one surface active agent, drying this mixture, forming macrosize particles from the dried mixture and calcining the macrosized particles.

REFERENCES:
patent: 2697066 (1954-12-01), Sieg
patent: 3657151 (1972-04-01), Noble
Schwarz et al., "Surface Active Agents," 1949, pp. 5-9, 202-205.

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