Influence of drying temperature and atmosphere on the mechanical strength of iron-ore agglomerates and sodium silicates for application in sintering processes

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dc.creatorGeraldo Magela da Costa
dc.creatorAnderson Dias
dc.creatorFlávio de Castro Dutra
dc.creatorMarcus Emrich
dc.date.accessioned2023-07-28T12:11:08Z
dc.date.accessioned2025-09-09T01:13:28Z
dc.date.available2023-07-28T12:11:08Z
dc.date.issued2016
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1002/cjce.22350
dc.identifier.issn1939-019X
dc.identifier.urihttps://hdl.handle.net/1843/57123
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofCanadian Journal of Chemical Engineering
dc.rightsAcesso Restrito
dc.subjectMinérios de ferro - Análise
dc.subjectMinerais silicatados
dc.subjectDióxido de carbono atmosférico
dc.subjectRaman, Espectroscopia de
dc.subjectSecagem
dc.subjectSódio
dc.subject.otherIron ores
dc.subject.otherAgglomerates
dc.subject.otherMechanical strength
dc.subject.otherSodium silicates
dc.titleInfluence of drying temperature and atmosphere on the mechanical strength of iron-ore agglomerates and sodium silicates for application in sintering processes
dc.typeArtigo de periódico
local.citation.epage80
local.citation.spage75
local.citation.volume94
local.description.resumoThis paper presents the influence of drying temperature and atmosphere on the mechanical strength of iron-ore agglomerates and sodium silicates. Mixtures of different pellet feed and sodium silicates were produced with a ball disc and cured at various temperatures. The resulting products exhibited sufficiently high mechanical strength to be transported over long distances and handled until their use in sintering processes. The agglomerates were dried/cured at temperatures between 100–550 °C and in gaseous atmospheres consisting of air and/or carbon dioxide. During this process, a strong influence of both temperature and atmosphere on the compression strength after contact with water, as well as on the morphology of the sodium silicates, was observed. The use of carbon dioxide atmosphere during drying proved effective for achieving high mechanical strength after water immersion. A phenomenological approach was developed to explain the results in order to connect morphology and mechanical properties.
local.identifier.orcidhttps://orcid.org/0000-0001-7413-1087
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://onlinelibrary.wiley.com/doi/10.1002/cjce.22350

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