RESÍDUO DE MINÉRIO DE MANGANÊS DA REGIÃO AMAZÔNICA E O SEU POTENCIAL USO COMO MATERIAL SUPLEMENTAR AO CIMENTO PORTLAND
DOI:
https://doi.org/10.46421/entac.v18i.691Keywords:
Mine tailings, Alternative raw materials, Alternative cementAbstract
Manganese is among the twenty most abundant elements in the earth's crust, it is considered essential in the manufacture of iron and steel, deoxidizers and in the manufacture of metal alloys. However, during the production of manganese, a large portion of waste is generated and deposited in dams. Here, this residue was evaluated as a filler material in Portland cement. The results showed that replacing cement with the residue increases the compressive strength and reduces the voids and water absorption of the samples. These findings have important implications for the substantial application of the residue as a supplementary material to cement.
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