The influence of P2O5 on clinker reactions

L. Halicz*, Y. Nathan, L. Ben-Dor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Synthetic clinkers, similar to high-silica Portland Cement clinkers, were prepared from raw material containing at times more than 50% oil shale from Har-Tuv area (central Israel) to which phosphate rock and laboratory grade CaCO3 and SiO2 were added. Although some clinkers contained more than 3% P2O5, their mineralogical composition was satisfactory (50 to 60% C3S). This result was obtained by taking into account in the SM formula the P2O5 concentrations. The resultant relatively high silica concentrations raise the melting point of the raw meal, causing a non-equilibrium state which allows the formation of C3S and its preservation.

Original languageEnglish
Pages (from-to)11-18
Number of pages8
JournalCement and Concrete Research
Volume14
Issue number1
DOIs
StatePublished - Jan 1984

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