Method for manufacture of sintered alumina from ammonium aluminu

Details Method for manufacture of sintered alumina from ammonium aluminu Method for manufacture of sintered alumina from ammonium aluminu

1975-10-17

1977-10-11

Vertiz, O. R.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423419P, 423625, 423631, 423427, 424154, 424156, C01F 702, C01C 126, A61K 3310

Patent

active

040535797

ABSTRACT:
Aluminum carbonate hydroxide ammonium, a new compound, is produced by causing a solution of ammonium hydrogencarbonate to be reacted upon by a soluble aluminum salt. .alpha.-Alumina is obtained by thermal decomposition of this ammonium aluminum carbonate hydroxide. By sintering said .alpha.-alumina, there is obtained sintered .alpha.-alumina.

REFERENCES:
patent: 2783124 (1957-02-01), Grote
patent: 2783127 (1957-02-01), Grote
patent: 3264124 (1966-08-01), Lauder et al.
patent: 3557025 (1971-01-01), Emerson
patent: 3714343 (1973-01-01), Sato et al.
patent: 3911090 (1975-10-01), Hem et al.

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