Process of producing sintered magnesia

Details Process of producing sintered magnesia Process of producing sintered magnesia

1972-04-19

1976-10-19

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 58, 264120, C04B 3332, C04B 3504

Patent

active

039871355

ABSTRACT:
An improved process of forming sintered magnesia bodies from a magnesium hydroxide aqueous slurry wherein the slurry is dried to a moisture content where the solids can be compacted to self-supporting bodies, preferably about 5 to 8% moisture, by heating at a temperature below the dissociation temperature of the magnesium hydroxide, compacting the dried magnesium hydroxide into briquettes, heating the briquettes at a temperature above the dissociation temperature of magnesium hydroxide to form magnesia, re-compacting to form new briquettes of greater density, and heating to sintering temperature to sinter the briquettes.

REFERENCES:
patent: 3378615 (1968-04-01), Zisner
patent: 3573079 (1971-03-01), Shibasaki
patent: 3666851 (1972-05-01), Chaklader
patent: 3676079 (1972-07-01), Morgan
patent: 3702881 (1972-11-01), Chaklader

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