Method for calcining fine-grained material, particularly for the

Compositions: coating or plastic – Coating or plastic compositions – Proteinaceous material containing

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106103, C04B 702

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active

043493874

ABSTRACT:
A method for burning fine-grained material particularly for the manufacture of cement clinker wherein a stream of the raw cement meal is sequentially treated at progressively increasing temperatures in a preheating stage, a pre-calcining stage, a calcining stage, and a sintering stage. The improvements involve introducing one or more deacidified raw meal fractions into the stream at one of a variety of possible locations so that recarbonation does not occur.

REFERENCES:
patent: 4191586 (1980-03-01), Dambrine

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