Use of carbon-based nanomaterials on the cold agglomeration of iron ore fines

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dc.creatorFlávio de Castro Dutra
dc.creatorValdirene Gonzaga de Resende
dc.creatorAnderson Dias
dc.date.accessioned2023-11-28T17:02:05Z
dc.date.accessioned2025-09-09T00:45:14Z
dc.date.available2023-11-28T17:02:05Z
dc.date.issued2019
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.2355/isijinternational.ISIJINT-2018-289
dc.identifier.issn1347-5460
dc.identifier.urihttps://hdl.handle.net/1843/61455
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofISIJ International
dc.rightsAcesso Aberto
dc.subjectMateriais nanoestruturados
dc.subjectNanotubos de carbono
dc.subjectGrafita
dc.subjectSilicatos
dc.subjectSódio
dc.subjectNanopartículas
dc.subjectFerro
dc.subjectAglomeração
dc.subject.otherNanomaterials
dc.subject.otherCarbon nanotubes
dc.subject.otherGraphite nanoplatelets
dc.subject.otherIron ore fines
dc.subject.otherCold agglomeration
dc.subject.otherMini-pellets
dc.titleUse of carbon-based nanomaterials on the cold agglomeration of iron ore fines
dc.typeArtigo de periódico
local.citation.epage664
local.citation.issue4
local.citation.spage660
local.citation.volume59
local.description.resumoCold agglomerated iron ore mini-pellets (diameter 3–8 mm) with high mechanical strength were prepared. The use of carbon-based nanomaterials (carbon nanotubes and graphite nanoplatelets) as additives to the binder (liquid sodium silicate) promoted the increase of the mechanical strength of the agglomerate to about 285%. The dispersion of the nanomaterials into the binder combined with the resting time of the dispersed material were considered key points on the formation of agglomerates with high mechanical strength. The results have shown that the solely use of ultrasonic processor is inefficient to disperse the nanomaterials into the binder. However, using a resting period of approximately fifteen days, the dispersion of the nanomaterials has improved considerably. Subsequently, the increase in the mechanical strength of the agglomerate (mini-pellet) was related to the dispersion capacity of the nanomaterials in the sodium silicate.
local.identifier.orcidhttps://orcid.org/0000-0001-7413-1087
local.identifier.orcidhttps://orcid.org/0000-0001-8997-6218
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.jstage.jst.go.jp/article/isijinternational/59/4/59_ISIJINT-2018-289/_article

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