Search Results - "Ferreira, Rondinele Alberto dos Reis"

Production of silica gel from waste metal silica residue by Morais de Oliveira, Andrielli, Alberto dos Reis Ferreira, Rondinele, César Martins Filho, Paulo

“…•The washing step of the silica gel was efficient, eliminating Cl particles as NaCl.•The percentages of SiO2 did not present significant differences…”
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Effect of nickel loading on the performance of Ni/MgAl2O4 catalysts for LPG steam reforming by Ferreira, Rondinele Alberto dos Reis, Ávila Neto, Cícero Naves de, Noronha, Fábio Bellot, Hori, Carla Eponina

“…Ni catalysts with different loadings (10, 15 and 20 wt%) supported on MgAl 2 O 4 were studied for Liquefied Petroleum Gas (LPG) steam reforming. In-situ X-ray…”
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Preparation and Characterization of Blends with Small Amounts of Polyaniline and Polypyrrole Mixed with ABS Copolymer Matrix by Tainá Ferreira, Bianca, Mariano, Thamires, Badagnani de Carvalho, Gabriel, Pasquini, Daniel, Alberto dos Reis Ferreira, Rondinele, Aparecida de Castro, Leila, De Morais, Luis Carlos

“…In this study, ABS copolymers were blended with doped polyaniline (PAni) and undoped polypyrrole (PPy) at concentrations of up to 2.5 % by weight. This allowed…”
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Optimization of metakaolin-based geopolymer reinforced with sisal fibers using response surface methology by da Silva Alves, Lorayne Cristina, dos Reis Ferreira, Rondinele Alberto, Bellini Machado, Lucas, de Castro Motta, Leila Aparecida

“…•Evaluate the influence of variables to maximize modulus of elasticity and toughness•Use of long sisal fibers improved the mechanical properties of the…”
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Optimization of the oxidative fast pyrolysis process of sugarcane straw by TGA and DSC analyses by Ferreira, Rondinele Alberto dos Reis, Meireles, Carla da Silva, Assunção, Rosana Maria Nascimento, Barrozo, Marcos Antônio S., Soares, Ricardo Reis

“…The objective of this work was to evaluate the influence of the oxygen percentage, heating rate, and total gas flow variables in the pyrolysis process of…”
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Characterization and properties of cementitious composites with cellulose fiber, silica fume and latex by Júnior Carvalho Machado, Paulo, Alberto dos Reis Ferreira, Rondinele, Aparecida de Castro Motta, Leila, Pasquini, Daniel

“…[Display omitted] •To evaluate the influence of silica fume, cellulose and latex on composites.•Study an optimized formulation for the cementitious…”
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Study of the effect of silica fume and latex dosages in cementitious composites reinforced with cellulose fibers by Carvalho Machado, Paulo Júnior, Ferreira, Rondinele Alberto dos Reis, Aparecida de Castro Motta, Leila

“…The aim of this work was to investigate the effect and the relationship between the silica fume, eucalyptus pulp, and natural rubber latex in the durability of…”
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Influence of Luffa fibers thermomechanical treatment and ceramic roof tile waste on performance of cementitious composites by Pires, Cristiane, Alberto dos Reis Ferreira, Rondinele, Aparecida de Castro Motta, Leila, de Oliveira Caixeta, Cássio

“…The performance of vegetable fibers and the insertion use of different residues in as substitution for cement are important crucial factors to be evaluated to…”
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Heat required and kinetics of sugarcane straw pyrolysis by TG and DSC analysis in different atmospheres by dos Reis Ferreira, Rondinele Alberto, da Silva Meireles, Carla, Assunção, Rosana Maria Nascimento, Reis Soares, Ricardo

“…Herein, it was investigated the heat required and the kinetics of oxidative pyrolysis of sugarcane straw by thermogravimetric analysis and differential…”
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Thermomechanical and Thermo-hydro-mechanical Treatments of Luffa Cylindrical Fibers by Pires, Cristiane, Motta, Leila Aparecida de Castro, Ferreira, Rondinele Alberto dos Reis, Caixeta, Cássio de Oliveira, Savastano, Holmer

“…The thermomechanical and thermo-hydro-mechanical treatments in Luffa cylindrical fibers were evaluated. The treatments comprised the hot pressing of the fibers…”
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Evaluation of the Use of Cellulose, Latex and Metakaolin in the Production of Cement Composites with Low Water Absorption and High Modulus of Elasticity by Santos, Lara Cristina Péres Dos, Ferreira, Rondinele Alberto Dos Reis, Motta, Leila Aparecida De Castro, Pasquini, Daniel, Oliveira, Andrielli Morais De

“…In this work, the aim was to study the influence of cellulose Kraft pulps, natural rubber latex, and metakaolin in the optimization of the values of flexural…”
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Effect of nickel loading on the performance of Ni/MgAl 2 O 4 catalysts for LPG steam reforming by Ferreira, Rondinele Alberto dos Reis, Ávila Neto, Cícero Naves de, Noronha, Fábio Bellot, Hori, Carla Eponina

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Microstructural analysis of concrete ties with granite and carbonate aggregates after 10 years on Brazil railroads by Ferreira, Rondinele Alberto dos Reis, Perin, Laisy Meurer, Costa, Eliane Betânia Carvalho, Santos, Antonio Carlos dos

“…•The chemical composition in the length of the concrete sleepers was similar.•All samples presented the boggsite phase, indicating the formation of (N,C)ASH…”
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Analysis of the compressive creep strain of the concretes with steel fibers: A holistic view in micro and macro scale by Pena, Paulo Vítor Camin, Ferreira, Rondinele Alberto dos Reis, Santos, Antonio Carlos dos, Oliveira, Andrielli Morais de

“…The aim of this paper is to evaluate the behavior of steel fiber reinforced concrete (SFRC), compared to concrete without fiber at the strength classes of…”
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