Strategies for corrosion inhibition of slurry pipelines prior to commissioning

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dc.creatorVanessa de Freitas Cunha Lins
dc.creatorFernando Cabral Lage
dc.creatorMaria das Mercês Reis de Castro
dc.creatorCintia Gonçalves Fonseca Costa
dc.creatorTulio Matencio
dc.date.accessioned2023-08-09T12:25:51Z
dc.date.accessioned2025-09-08T22:58:13Z
dc.date.available2023-08-09T12:25:51Z
dc.date.issued2016
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1590/0370-44672015690084
dc.identifier.issn1807-0353
dc.identifier.urihttps://hdl.handle.net/1843/57644
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofRevista Escola de Minas
dc.rightsAcesso Aberto
dc.subjectEletroquímica
dc.subjectMateriais
dc.subjectQuimica metalúrgica
dc.subjectEspectroscopia de impedância
dc.subjectMinas e mineração
dc.subjectAço — Corrosão
dc.subjectTubulações
dc.subject.otherMining
dc.subject.otherCorrosion
dc.subject.otherHibernation solution
dc.subject.otherAPI steel
dc.subject.otherElectrochemical
dc.subject.otherImpedance spectroscopy
dc.titleStrategies for corrosion inhibition of slurry pipelines prior to commissioning
dc.typeArtigo de periódico
local.citation.epage166
local.citation.issue2
local.citation.spage161
local.citation.volume69
local.description.resumoA practice used to prevent corrosion in buried slurry pipelines is the hibernation of pipelines with an aqueous solution containing corrosion inhibitors before beginning the mining operation. The aim of this work is to evaluate the corrosion resistance of API 5L X70 steel used in the slurry pipelines in hibernation solution containing sodium sulphite, sodium hydroxide and glutaraldehyde in a synthetic river water. The electrochemical techniques used are the Tafel analysis and electrochemical impedance spectroscopy. The synergistic effect of the components of hibernation solution on the corrosion resistance of the API 5L X70 steel was evaluated. A lower corrosion resistance was obtained for the API steel in aqueous solution of sodium sulphite, and in solution of sodium sulphite with glutaraldehyde. The hibernation solution was efficient in inhibiting steel corrosion but the highest corrosion inhibition efficiency was obtained with the glutaraldehyde aqueous solution.
local.identifier.orcidhttps://orcid.org/0000-0002-6357-9553
local.identifier.orcidhttps://orcid.org/0000-0002-0596-332X
local.identifier.orcidhttps://orcid.org/0000-0002-5660-8125
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA MECÂNICA
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA QUÍMICA
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/rem/a/JwWkLWPWSj35WzY6WxZP3zz/

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