Multivariate modeling and optimization of the reverse cationic flotation process of iron ore using depressant-modified starch.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorPinheiro, Matheus Furlan-
Autor(es): dc.creatorSilva, José Izaquiel Santos da-
Autor(es): dc.creatorOliveira, Clarissa Nascimento de-
Autor(es): dc.creatorMelo, Edilailsa Januário de-
Autor(es): dc.creatorFrança, Alexandre Bôscaro-
Autor(es): dc.creatorSamaanamud, Gisella Lamas-
Autor(es): dc.creatorAmaral, Mateus de Souza-
Autor(es): dc.creatorLofrano, Renata Carolina Zanetti-
Autor(es): dc.creatorNaves, Luzia Lima Rezende-
Autor(es): dc.creatorNaves, Fabiano Luiz-
Data de aceite: dc.date.accessioned2025-08-21T15:28:22Z-
Data de disponibilização: dc.date.available2025-08-21T15:28:22Z-
Data de envio: dc.date.issued2025-03-19-
Data de envio: dc.date.issued2023-
Fonte completa do material: dc.identifierhttps://www.repositorio.ufop.br/handle/123456789/19977-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/pii/S0892687523004995-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.mineng.2023.108485-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1016026-
Descrição: dc.descriptionThe iron ore has low quality to be directly used in steel production. Reverse cation flotation is one of the most used processes in the separation of quartz and particles smaller than 0.150 mm, and, therefore, can be used in the production of pellet feed. This project aimed at the application of modeling and optimization of flotation pa- rameters (starch mass and time) to improve and enhance the separation and process conditions. The study of a starch-based depressant modified by different levels of temperature, starch mass, time, and mass of ammonium hydroxide, was conducted to reduce the surface tension of the water and with that, enhance the stability and formation of the nano and microbubbles. Both steps were modeled via the Central Composite Design (CCD) response surface array and the multivariate and multiobjective optimization using the Normal Boundary Inter- section (NBI) algorithm. The iron concentration was 77.83 % under the optimized conditions with only 0.33 % of SiO2 content.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsrestrito-
Palavras-chave: dc.subjectOptimization-
Palavras-chave: dc.subjectFlotation process-
Palavras-chave: dc.subjectModified starch-
Título: dc.titleMultivariate modeling and optimization of the reverse cationic flotation process of iron ore using depressant-modified starch.-
Aparece nas coleções:Repositório Institucional - UFOP

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