Process for manufacturing rapid hardening portland cement clinke

Details Process for manufacturing rapid hardening portland cement clinke Process for manufacturing rapid hardening portland cement clinke

1974-01-07

1977-06-07

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106104, C04B 754

Patent

active

040281264

ABSTRACT:
A process for manufacturing a rapid hardening portland cement clinker containing a calcium halo-aluminate having the formula; 11CaO.7Al.sub.2 O.sub.3.CaX.sub.2, in which X is a halogen, characterized by adding at least one sulfur compound selected from calcium sulfate, calcium sulfite and calcium sulfide to the mixed raw materials comprising mainly an aluminous material, a calcareous material, a silicious material, an iron source and a halogen source, and burning the obtained mixture in an oxidizing temperature.

REFERENCES:
patent: 3381064 (1968-04-01), Yamaguchi et al.
patent: 3402225 (1968-09-01), Cameron et al.
patent: 3628973 (1971-12-01), Greening et al.
patent: 3677781 (1972-07-01), Nickelsen et al.

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