Use este identificador para citar o ir al link de este elemento:
http://hdl.handle.net/1843/57644
Tipo: | Artigo de Periódico |
Título: | Strategies for corrosion inhibition of slurry pipelines prior to commissioning |
Autor(es): | Vanessa de Freitas Cunha Lins Fernando Cabral Lage Maria das Mercês Reis de Castro Cintia Gonçalves Fonseca Costa Tulio Matencio |
Resumen: | A 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. |
Asunto: | Eletroquímica Materiais Quimica metalúrgica Espectroscopia de impedância Minas e mineração Aço — Corrosão Tubulações |
Idioma: | eng |
País: | Brasil |
Editor: | Universidade Federal de Minas Gerais |
Sigla da Institución: | UFMG |
Departamento: | ENG - DEPARTAMENTO DE ENGENHARIA MECÂNICA ENG - DEPARTAMENTO DE ENGENHARIA QUÍMICA ICX - DEPARTAMENTO DE QUÍMICA |
Tipo de acceso: | Acesso Aberto |
Identificador DOI: | https://doi.org/10.1590/0370-44672015690084 |
URI: | http://hdl.handle.net/1843/57644 |
Fecha del documento: | 2016 |
metadata.dc.url.externa: | https://www.scielo.br/j/rem/a/JwWkLWPWSj35WzY6WxZP3zz/ |
metadata.dc.relation.ispartof: | Revista Escola de Minas |
Aparece en las colecciones: | Artigo de Periódico |
archivos asociados a este elemento:
archivo | Descripción | Tamaño | Formato | |
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Strategies for corrosion inhibition of slurry pipelines prior to commissioning.pdf | 2.63 MB | Adobe PDF | Visualizar/Abrir |
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