Process for making magnesia

Details Process for making magnesia Process for making magnesia

1975-05-09

1977-07-05

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 59, 423636, C04B 3504

Patent

active

040337782

ABSTRACT:
A process for making magnesia wherein a sludge of magnesium hydroxide is simultaneously dewatered and compacted to give a cake of magnesium hydroxide containing at least 67.5% by weight of solids and having a green bulk density of at least 1.15 grams/cc and wherein the cake thereby obtained is converted by a suitable heat treatment into magnesium oxide.
Refractory products produced from the magnesia of the invention are also described.

REFERENCES:
patent: 2313746 (1943-03-01), Heany
patent: 2493752 (1950-01-01), De Maestri
patent: 2571134 (1951-10-01), Hicks
patent: 2823134 (1958-02-01), Atlas
patent: 3378615 (1968-04-01), Zisner et al.
patent: 3573079 (1971-03-01), Shibasaki et al.

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