Process for producing synthetic magnesite - dolomite sinter

Details Process for producing synthetic magnesite - dolomite sinter Process for producing synthetic magnesite - dolomite sinter

1978-03-06

1979-02-20

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 63, C04B 3504

Patent

active

041405340

ABSTRACT:
A method of increasing the magnesia content in dolomite sinter produced from dolomite. Crushed dolomite is calcined to form a physical mixture of particulate magnesium oxide (MgO) and calcium oxide (CaO) and the mixture is hydrated to develop a size differential between the calcium hydroxide and the magnesium hydroxide. The hydroxides are dried without dehydration and separated into two component portions on the basis of size. One portion of the mixture is rich in Ca(OH).sub.2 and the other is rich in Mg(OH).sub.2. The portion of the mixture primarily comprised of Mg(OH).sub.2 is then calcined to form the synthetic sinter.

REFERENCES:
patent: 2694620 (1954-11-01), Lathe
patent: 2898194 (1959-08-01), Eells et al.

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