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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Effect of Lime on Alumina Extracting Property of Calcium Aluminate Slag
verfasst von : Wang Bo, Zhang Yubing, Ma Lijuan, Sun Huilan
Erschienen in: EPD Congress 2015
Verlag: Springer International Publishing
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The effect of lime ratio on phase composition and alumina leaching property of MgO-contained calcium aluminate clinker were investigated by analytical reagent, the XRD analysis of its mechanism was discussed. The results showed that: when the sintering temperature was 1350 °C, C/A was 1.4, A/S was 1.3 and the content of MgO was 4%, the increase of the C/A promoted the formation of C12A7 and restrained the formation of Q-phase. The alumina-leaching ratio of the clinker (A/S was 1.3) was increased from 74.33% to 91.34% when the content of CaO was 5.21%.