M
Márcio Teodoro Fernandes
Researcher at Federal Fluminense University
Publications - 16
Citations - 59
Márcio Teodoro Fernandes is an academic researcher from Federal Fluminense University. The author has contributed to research in topics: Iron ore & Phosphorus. The author has an hindex of 3, co-authored 14 publications receiving 28 citations.
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Journal ArticleDOI
Formulation and characterization of crosslinked polyvinyl alcohol (PVA) membranes: effects of the crosslinking agents
Fabiana Campos do Nascimento,Liz Contino Vianna de Aguiar,Larissa Aparecida Toledo Costa,Márcio Teodoro Fernandes,Rodrigo José Marassi,Ailton S. Gomes,José Adilson de Castro +6 more
TL;DR: In this paper, the formulation and characterization of the polyvinyl alcohol membrane (PVA) with citric acid, succinic acid and their mixing as crosslinking agents was addressed.
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Evaluation of the diffusional coefficient in the acid baking process using microwave energy to reduce phosphorus content in iron ore particles
Leonardo Martins da Siva,Marisa Nascimento,Elizabeth Mendes de Oliveira,Anderson Vergílio de Queiroz,Márcio Teodoro Fernandes,José Adilson de Castro +5 more
TL;DR: In this paper, a possible kinetic model aiming at the process of reducing the phosphorus content using microwave energy to heat iron ore particles in contact with concentrated sulfuric acid (acid baking) is presented.
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Evaluation of the Acid Baking Technique to Decrease the Phosphorus Content of the Iron Ore
Leonardo Martins da Silva,Marisa Nascimento,Elizabeth Mendes de Oliveira,Anderson Vergílio de Queiroz,Márcio Teodoro Fernandes,José Adilson de Castro +5 more
TL;DR: In this paper, a treatment using microwave heating while mixing with a dilute aqueous solution of sulfuric acid, followed by quenching during leaching with water, is proposed as a feasible route for the phosphorus removal from iron ore particles.
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A degradation kinetics model of Mg–Zn–Mn–Ca alloys in Kokubo solution
Márcio Teodoro Fernandes,Leonardo Martins da Silva,Patrícia Sousa Nilo Mendes,Anderson Vergílio de Queiroz,José Adilson de Castro,Claudinei dos Santos,Claudinei dos Santos +6 more
TL;DR: In this paper, a model of the degradation of the Mg-Zn-Mn-Ca alloy system in simulated body fluid is proposed by applying the isoconversion method, and the activation energy found for the kinetic mechanism model of chemical control was 3.24
Journal ArticleDOI
Application of Computational Thermodynamics to the Evolution of Surface Tension and Gibbs-Thomson Coefficient during Multicomponent Aluminum Alloy Solidification
Paulo A.D. Jácome,Márcio Teodoro Fernandes,Amauri Garcia,Alexandre Furtado Ferreira,José Adilson de Castro,Ivaldo L. Ferreira +5 more
TL;DR: In this paper, a solution of Butler's formulation for surface tension is presented for Al-Cu-Si ternary alloys, allowing the Gibbs-Thomson coefficient to be calculated as a function of Cu and Si contents.