Search Results - "de Freitas Melo, Marcus Antônio"

Colored cotton wastes valuation through thermal and catalytic reforming of pyrolysis vapors (Py-GC/MS) by da Silva, Janduir Egito, Calixto, Guilherme Quintela, de Araújo Medeiros, Rodolfo Luiz Bezerra, de Freitas Melo, Marcus Antônio, de Araújo Melo, Dulce Maria, de Carvalho, Luiz Paulo, Braga, Renata Martins

“…This study aims to analyze the products of the catalytic pyrolysis of naturally colored cotton residues, type BRS (seeds from Brazil), called BRS-Verde,…”
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Effect of the Acid Treatment of Montmorillonite Clay in the Oleic Acid Esterification Reaction by Nascimento, Alexsandra Rodrigues do, Alves, José Antônio Barros Leal Reis, Melo, Marcus Antônio de Freitas, Melo, Dulce Maria de Araújo, Souza, Marcelo José Barros de, Pedrosa, Anne Michelle Garrido

“…Biodiesel is a fuel renewable, biodegradable and environmentally correct fuel, which can be obtained from the esterification reactions, transesterification and…”
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Synthesis of MgAl2O4 by Gelatin Method: Effect of Temperature and Time of Calcination in Crystalline Structure by Figueredo, Gilvan Pereira de, Carvalho, Alexandre Fontes Melo de, Medeiros, Rodolfo Luiz Bezerra de Araújo, Silva, Francisco Marcelo, Macêdo, Heloísa Pimenta de, Melo, Marcus Antônio de Freitas, Melo, Dulce Maria de Araújo

“…Magnesium aluminate can be obtained by the methods: ceramic method, sol-gel, co-precipitation, hydrothermal and combustion. However, this work presents a…”
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Characterization of ZnAl2O4 Spinel Obtained by Hydrothermal and Microwave Assisted Combustion Method: A Comparative Study by Macedo, Heloísa Pimenta de, Medeiros, Rodolfo Luíz Bezerra de Araújo, Medeiros, Amanda Lucena de, Oliveira, Ângelo Anderson Silva de, Figueredo, Gilvan Pereira de, Melo, Marcus Antônio de Freitas, Melo, Dulce Maria de Araújo

“…In this work, zinc aluminate spinel was prepared by two methods of directly synthesis (without calcination): microwave assisted combustion and hydrothermal…”
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Energetic characterization and evaluation of briquettes produced from naturally colored cotton waste by da Silva, Janduir Egito, de Araújo Melo, Dulce Maria, de Freitas Melo, Marcus Antônio, de Aguiar, Emerson Moreira, Pimenta, Alexandre Santos, de Medeiros, Everaldo Paulo, Calixto, Guilherme Quintela, Braga, Renata Martins

“…Cotton crops generate millions of tons of lignocellulosic waste in Brazil that could be used in energy generation; however, the main destination of this raw…”
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Synthesis Optimization of MCM-41 for CO2 Adsorption Using Simplex-centroid Design by Costa, Cíntia de Castro, Melo, Dulce Maria de Araújo, Martinelli, Antonio Eduardo, Melo, Marcus Antônio de Freitas, Medeiros, Rodolfo Luiz Bezerra de Araújo, Marconi, João Andrade, Barros, Joana Maria de Farias

“…There is a growing concern on the relationship between anthropogenic carbon dioxide and climate changes. A promising approach is the adsorption technology…”
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Kinetic study and effect of flash pyrolysis temperature of kraft lignin on the yield of aromatic compounds by de Oliveira, Gislane Pinho, de Melo Siqueira, Lorena Araújo, Calixto, Guilherme Quintela, de Araújo Melo, Dulce Maria, de Freitas Melo, Marcus Antonio, Pimenta, Alexandre Santos, Braga, Renata Martins

“…The growth in global energy demand and the urge to reduce CO 2 emission make renewable sources viable alternatives to replace fossil fuels and petrochemicals…”
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Lightweight oil well cement slurry modified with vermiculite and colloidal silicon by da Silva Araujo Filho, Romero Gomes, de Oliveira Freitas, Julio Cesar, de Freitas Melo, Marcus Antônio, Braga, Renata Martins

“…•Cements with vermiculite can be used in oil wells in zones with low pressures.•With vermiculite, cements with high water/cement factors can be…”
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Comparison of Kinetic Study of CTMA+ Removal of Molecular Sieve Ti-MCM-41 Synthesized with Natural and Commercial Silica by Fontes, Maria do Socorro Braga, Melo, Dulce Maria de Araújo, Costa, Cintia de Castro, Braga, Renata Martins, Melo, Marcus Antonio de Freitas, Alves, José Antônio Barros Leal Reis

“…This work aimed to determine and compare the apparent activation energy, involved in thermal decomposition of CTMA super(+) from the pores of Ti-MCM-41…”
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Catalytic flash pyrolysis for recovery of gasoline-range hydrocarbons from electric cable residue using a low-cost natural catalyst: An analytical Py–GC/MS study by Lopes, Vitor Fernandes Dias, Alves, José Luiz Francisco, da Silva, Edyjancleide Rodrigues, Marques, Júlio de Andrade Oliveira, Melo, Dulce Maria de Araújo, Melo, Marcus Antônio de Freitas, Braga, Renata Martins

“…[Display omitted] •Valorizing XLPE plastic residue through catalytic flash pyrolysis.•Precise profiling: Py–GC/MS setup dissects volatile reaction products at…”
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Charcoal Residue from Cashew Nutshells as a Bioadsorbent in Fixed Bed Column for Produced Water by de Oliveira, Karine Fonseca Soares, de Deus Junior, Joemil Oliveira, dado SilvaNascimento, Talita Lorena, dos Anjos, Raoni Batista, de Araújo Melo, Dulce Maria, Braga, Renata Martins, de Freitas Melo, Marcus Antonio

“…One of the produced water treatment methods is adsorption, however, the use of commercial activated carbon as an adsorbent, in industrial scale, makes the…”
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Synthesis Optimization of MCM-41 for CO sub(2) Adsorption Using Simplex-centroid Design by Costa, Cintia de Castro, Melo, Dulce Maria de Araujo, Martinelli, Antonio Eduardo, Melo, Marcus Antonio de Freitas, Medeiros, Rodolfo Luiz Bezerra de Araujo, Marconi, Joao Andrade, Barros, Joana Maria de Farias

“…There is a growing concern on the relationship between anthropogenic carbon dioxide and climate changes. A promising approach is the adsorption technology…”
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