Study of early age hydration of cements containing ye'elimita (YCC) produced with spent catalyst (SFCC)
DOI:
https://doi.org/10.46421/entac.v19i1.2188Keywords:
Calcium sulfoaluminate cement, Waste, Spent equilibrium catalyst, Clinker, Cement hydrationAbstract
This work aims to evaluate the hydration at the initial age of YCC cements produced from the co-processing of SFCC. For this, six clinkers were produced with different ye'elimite contents, with and without SFCC. These were characterized by XRD/Rietveld. The pastes were evaluated by TG/DTG and XRD/Rietveld to understand the hydration mechanism on the third day of these cements. It was possible to synthesize the main phases of YCC, in clinkers with and without SFCC. In addition, at the age evaluated, the pastes with and without SFCC presented comparable phase composition, indicating the potential for co-processing this residue.
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