Effects of the Incorporation of Aluminium Fluoride Mineralizers in Portland Cement Clinker Phases

By:
1. E. Menéndez and B. Aldea - Eduardo Torroja Institute of Construction Science, Madrid 28033, Spain
2. F.P. Glasser - University of Aberdeen, Aberdeen, Scotland (UK)
3. Y.C. Zimmermann - Regain Services Pty Ltd, Basel, Switzerland

Calcium fluoride can be used as mineralizer in the manufacturing of Portland cement clinker in order to decrease the temperature of clinkerization and/or increase the alite content of clinker. Also, by-products with fluorides could be valorized as mineralizers, for example by-products of the primary aluminum industry. But it is necessary to evaluate and understand the influence of these additions on the composition of the cement phases.

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