Process for the production of cement clinker from fuel shale

Details Process for the production of cement clinker from fuel shale Process for the production of cement clinker from fuel shale

1976-10-29

1977-12-27

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106103, C04B 744

Patent

active

040653218

ABSTRACT:
An argillaceous and/or calcareous material, such as a fuel shale, for example an oil shale, which is capable of yielding a cement clinker, is subjected to mechanical disintegration by the particles formed thereby to repeated acceleration and retardation within a period of less than about 0.05 second, thereby homogenizing and activating them, and then sintering the disintegrated material at a temperature between about 900.degree. and about 1300.degree. C for a period between about 3 and about 10 minutes, to form a cement clinker. Other materials such as SiO.sub.2, CaO and R.sub.2 O.sub.3 (Al.sub.2 O.sub.3 or Fe.sub.2 O.sub.3) may be admixed to improve clinker properties. The sintered clinker may be further subjected to mechanical disintegration in an impact-type disintegration.

REFERENCES:
patent: 1536165 (1925-05-01), Tetens
patent: 2904445 (1959-09-01), Sellers et al.
patent: 3127455 (1964-03-01), Culbertson et al.
patent: 3972724 (1976-08-01), Entzmann

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