Assimilation of lime in the formation of calcium aluminate from cao and ai203

Abstract

Mixes of CaCO3and Al203in the molar proportion of 3 : 1, 1 : 1 and 1 :2 respectively, were heated at different temperatures for various reaction times and the unreacted lime contents were determined. Phases formed in the reaction mixes have been studied by X-ray clift'ractograms of the partially reacted samples. Data show that lime is consumed in the three mixes before the equllibrium phase C3A, CA or CA2is formed. The lime reactivity is in the sequence of CA2> CA > C3A reaction mixes. © Taylor & Francis Group, LLC.