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Utilisation des boues de lavage du minerai de fer: une étude de cas
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ISBN10: 6208771951
ISBN13: 9786208771959
Publisher: Editions Notre Savoir
Published: Mar 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786208771959
Publisher: Editions Notre Savoir
Published: Mar 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: French
Ce travail évalue l'utilisation de la boue résultant du lavage du minerai de fer produit par Mineração Urucum S/A, à Corumbá/MS, comme ajout aux argiles utilisées dans la fabrication de produits céramiques, principalement des céramiques rouges. Le processus de traitement du minerai consiste en un concassage, un lavage et un tamisage. Tous les produits générés, à l'exception de la boue, ont des applications commerciales, et la boue résultant de ce processus est déposée dans des bassins de décantation, ce qui nécessite de plus en plus de zones pour la création de nouveaux gisements. Afin de répondre à la question de la validité de l'utilisation de la boue comme ajout aux argiles pour la fabrication de produits céramiques, des spécimens d'essai ont été moulés avec deux types d'argile, l'un provenant de Corumbá/MS et l'autre de Campo Grande/MS, dans des proportions de masse de 0 %, 10 % et 20 %. Les résultats indiquent que, bien que la boue ait une teneur élevée en fer, elle n'altère guère les propriétés des argiles étudiées, améliorant certaines de leurs caractéristiques, telles que l'absorption d'eau, la porosité apparente et le retrait, ce qui ouvre des possibilités d'utilisation de ce déchet.
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