Lightweight magnesia clinker and process for the preparation of

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkaline earth metal

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423635, 423636, 423637, 423638, 423639, 501108, 501121, C01F 506, C01F 508, C01F 512

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049276115

ABSTRACT:
A lightweight magnesia clinker containing magnesium oxide in an amount of more than 85 wt. % and having an apparent porosity of more than 40 vol. % and a bulk specific gravity of less than 2.0 g/cm.sup.3 is disclosed. In the lightweight magnesia clinker, the amount of magnesia clinker particles having a particle diameter of smaller than 3 mm is more than 90 wt. % of the amount of all magnesia clinker particles, and the amount of pores formed in the magnesia clicker particles having a pore size of smaller than 50 .mu.m is more than 90 vol. % of the amount of all pores. A process for the preparation of said lightweight magnesia clinker is also disclosed.

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patent: 3711600 (1973-01-01), Sturm et al.
patent: 4075311 (1978-02-01), Eustacchio
patent: 4752459 (1988-06-01), Pepper

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