RT Journal Article T1 Obtención de una adición puzolánica a partir de la calcinación controlada de lodos de destintado de papel: Estudio de prestaciones en matrices de cemento T2 Obtaining a pozzolanic addition from the controlled calcination of paper mill sludge. Performance in cement matrices A1 Vegas, I. A1 Frías, M. A1 Urreta, J. A1 San José, J. T. AB Mineralogically, the paper mill sludge consists essentially of calcite, kaolinite, talc and other philosilicates (illite, chlorite). When such sludge is subjected to controlled thermal treatment, its kaolinite component may be transformed into metakaolin, yielding a product with high pozzolanic reactivity. This study was designed to analyze a number of scientific questions around the production of pozzolanic additions via controlled thermal activation of paper mill sludge and to evaluate the performance of such additions when included in a cement matrix. The findings show that paper mill waste activation is optimal when the sludge is calcined for 2 hours at 700°C in the 700-800°C intervale. A comparative study between the cement made with the new addition and a commercial cement (CEM I-42.5R) used as a reference led to highlight the scientific and technical viability of this waste as a cementing seconding material. SN 0465-2746 YR 2006 FD 2006-07 LK https://hdl.handle.net/11556/4358 UL https://hdl.handle.net/11556/4358 LA spa NO Vegas , I , Frías , M , Urreta , J & San José , J T 2006 , ' Obtención de una adición puzolánica a partir de la calcinación controlada de lodos de destintado de papel : Estudio de prestaciones en matrices de cemento ' , Materiales de Construccion , vol. 56 , N.º 283 , pp. 49-60 . DS TECNALIA Publications RD 26 jul 2024