|About this Abstract
||2021 TMS Annual Meeting & Exhibition
||Characterization of Minerals, Metals and Materials 2021
||Kraft Pulp Mill Alkaline Solid Residues Incorporated to High Early Strength Portland Cement
||Caio M. M. Eleto Torres, Leonardo G. Pedroti, Claudio M. Silva, José Maria F. de Carvalho, André Luís de O. Júnior , Wellington E. H. Fernandes, Gustavo E. S. de Lima, Fabiane C. Ballotin
|On-Site Speaker (Planned)
||Caio M. M. Eleto Torres
Brazil is the second world producer of pulp, with 19.69 million tons per year in 2019. With this high pulp production, there is a concern regards the generation of more than 7.38 million tons of solid resides and the final form of disposal. The objective of the present study was to investigate the technical feasibility of alkaline solid residues use, called dregs and grits, from pulp plants, as carbonate material for the production of high early strength Portland cement (CP V - ARI). The methodology includes the following phases: Physical, mineralogical, microstructural, and chemical characterization of residues and laboratory assays for mechanical requirements. The results showed that addition of residues was viable to produce Portland cement according to national and international standards. Concluded that the results have a positive effect on the environment, non-renewable materials extraction reduction, and in the reduction of greenhouse gas emissions in its production process.