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Título

Pozzolanic reaction of a spent fluid catalytic cracking catalyst in FCC-cement mortars

AutorGarcía de Lomas, Macarena; Sánchez de Rojas, María Isabel; Frías, Moisés
Palabras claveCompressive strength
Heating
Hydration heat
Pozzolanic reaction
Spent fluid cracking catalyst
Fecha de publicación29-abr-2007
EditorAkadémiai Kiadó (Budapest)
Springer
CitaciónJournal of Thermal Analysis and Calorimetry 90(2): 443-447 ( 2007)
ResumenThis work presents the relation between the pozzolanic activity, the hydration heat and the compressive strength developed by blended mortars containing 10 and 35% of a spent fluid catalytic cracking catalyst (FCC). The results show that, in comparison with 100% Portland cement mortar, a mortar with 10% FCC increases the hydration heat all over the period of testing. This hydration heat increasing is due to the pozzolanic effect, therefore the resulting compressive strength is higher than the reference mortar. Whereas, in a mortar with 35% of FCC, the hydration heat is higher than 100% PC mortar, until 10 h of testing. After this age, the substitution degree predominates over the pozzolanic activity, showing in this case, lower hydration heat and developing lower compressive strength than 100% PC mortar.
DescripciónPublicacion en versión impresa: Noviembre de 2007
Versión del editorhttp://dx.doi.org/10.1007/s10973-006-7921-7
URIhttp://hdl.handle.net/10261/20144
DOI10.1007/s10973-006-7921-7
ISSN1388-6150 (Print)
1572-8943 (Online)
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