Carbonitriding of alumina to produce aluminum nitride

Details Carbonitriding of alumina to produce aluminum nitride Carbonitriding of alumina to produce aluminum nitride

1994-09-13

1996-07-23

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C01B 21072

Patent

active

055387055

ABSTRACT:
Aluminum nitride (AlN) is continuously produced by continuously carbonitriding a continuously replenished charge of alumina, for example successive charges of alumina/carbon extrudates, in a reaction zone comprising at least one conduit, the ratio of the exchange surface area/volume of which at least one conduit ranging from 5 to 50 m.sup.-1, preferably from 10 to 50 m.sup.-1, and continuously withdrawing product AlN therefrom.

REFERENCES:
patent: 5154907 (1992-10-01), Kim et al.
patent: 5370854 (1994-12-01), Henley et al.

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