Search Results - "CAVALCANTE, Célio L"

CO2 adsorption capacity of zeolites synthesized from coal fly ashes by Aquino, Thiago F. de, Estevam, Sabrina T., Viola, Vanessa O., Marques, Carolina R.M., Zancan, Fernando L., Vasconcelos, Lídia B., Riella, Humberto G., Pires, Marçal J.R., Morales-Ospino, Rafael, Torres, A. Eurico B., Bastos-Neto, Moises, Cavalcante, Célio L.

“…•High quality zeolites were synthesized from coal fly ash.•The CO2 adsorption of the synthetic zeolites is similar to that of commercial ones.•The zeolites…”
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Glycerol valorization: conversion to lactic acid by heterogeneous catalysis and separation by ion exchange chromatography by Arcanjo, Maria R. A., Silva, Ivanildo J., Cavalcante, Célio L., Iglesias, José, Morales, Gabriel, Paniagua, Marta, Melero, Juan A., Vieira, Rodrigo S.

“…The consumption and production of biodiesel has grown dramatically in recent decades, motivated by a strong interest in renewable energy. This has generated a…”
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Biosynthesis of alkanes/alkenes from fatty acids or derivatives (triacylglycerols or fatty aldehydes) by Monteiro, Rodolpho R.C., da Silva, Silvia S.O., Cavalcante, Célio L., de Luna, F. Murilo T., Bolivar, Juan M., Vieira, Rodrigo S., Fernandez-Lafuente, Roberto

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CaO supported on mesoporous silicas as basic catalysts for transesterification reactions by Albuquerque, Mônica C.G., Jiménez-Urbistondo, Inmaculada, Santamaría-González, José, Mérida-Robles, Josefa M., Moreno-Tost, Ramón, Rodríguez-Castellón, Enrique, Jiménez-López, Antonio, Azevedo, Diana C.S., Cavalcante, Célio L., Maireles-Torres, Pedro

“…CaO supported on mesoporous SBA-15 silicas were prepared and characterized. The transesterification activity of vegetable oils confirms the results obtained…”
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Effect of additives on the oxidative stability and corrosivity of biodiesel samples derived from babassu oil and residual frying oil: An experimental and theoretical assessment by Rangel, Nelly V.P., da Silva, Leonardo P., Pinheiro, Vinícius S., Figueredo, Igor M., Campos, Othon S., Costa, Stefane N., Luna, Francisco Murilo T., Cavalcante Jr, Célio L., Marinho, Emmanuel S., de Lima-Neto, Pedro, Rios, Maria A.S.

“…[Display omitted] •Phenolic compounds and PDA were used as antioxidants and corrosion inhibitors in biodiesel samples.•A theoretical study was carried out…”
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Adsorption of CO2 on nitrogen-enriched activated carbon and zeolite 13X by Bezerra, Diôgo P., Oliveira, Ronan S., Vieira, Rodrigo S., Cavalcante, Célio L., Azevedo, Diana C. S.

“…Adsorption may be a potentially attractive alternative to capturing CO 2 from stationary sources in the context of Carbon Capture and Sequestration (CCS)…”
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Pure and Binary Adsorption of Carbon Dioxide and Nitrogen on AQSOA FAM Z02 by Charalambous, Charithea, Santori, Giulio, Vilarrasa-Garcia, Enrique, Bastos-Neto, Moises, Cavalcante, Célio L., Brandani, Stefano

“…Adsorption equilibria of CO2, N2, and the CO2/N2 binary system on AQSOA FAM Z02 grains were measured over a temperature range of 295 to 348 K and over a wide…”
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Unusual Adsorption Site Behavior in PCN-14 Metal–Organic Framework Predicted from Monte Carlo Simulation by Lucena, Sebastião M. P, Mileo, Paulo G. M, Silvino, Pedro F. G, Cavalcante, Célio L

“…The adsorption equilibrium of methane in PCN-14 was simulated by the Monte Carlo technique in the grand canonical ensemble. A new force field was proposed for…”
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Influence of Synthetic and Natural Antioxidants on the Oxidation Stability of Beef Tallow Before Biodiesel Production by Kleinberg, Maurício N., Rios, Maria A. S., Buarque, Hugo L. B., Parente, Marcelo M. V., Cavalcante, Célio L., Luna, F. Murilo T.

“…Beef tallow is a promising alternative as a non-edible raw material for biodiesel production, due to its lower price compared to vegetable oils such as soybean…”
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Experimental analysis of the efficiency on charge/discharge cycles in natural gas storage by adsorption by Rios, Rafael B., Bastos-Neto, Moises, Amora, Marcelo R., Torres, A. Eurico B., Azevedo, Diana C.S., Cavalcante, Célio L.

“…The use of vessels filled with activated carbon to store and transport natural gas (NG) at moderate pressures (about 3.5 MPa) and ambient temperature (about…”
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Production of Jet Biofuels by Catalytic Hydroprocessing of Esters and Fatty Acids: A Review by Rodolpho R. C. Monteiro, Isabela A. dos Santos, Maria R. A. Arcanjo, Célio L. Cavalcante, Francisco M. T. de Luna, Roberto Fernandez-Lafuente, Rodrigo S. Vieira

“…The transition from fossil to bio-based fuels is a requisite for reducing CO2 emissions in the aviation sector. Jet biofuels are alternative aviation fuels…”
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Deactivation Analysis of Industrial Spent Catalysts Applied to Lube Oil Hydrotreating in a Pilot Plant by Amora, Marcelo Ramalho, Pacheco, Marcelo E., Azevedo, Diana C. S., Cavalcante, Célio L., Luna, F. Murilo T.

“…Industrial spent catalysts taken from different beds of industrial lube oil hydrotreating reactors were investigated in a pilot plant. Experiments to quantify…”
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Short‐chain esters enriched biofuel obtained from vegetable oil using molecular distillation by de Oliveira, Vanessa F., Parente, Expedito J. S., Cavalcante, Célio L., Luna, F. Murilo T.

“…Aviation fuels used in gas‐turbine engine powered aircraft are mainly obtained from the distillation of mineral oil. These jet fuel molecules present carbon…”
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FTIR assessment of the oxidation process of castor oil FAME submitted to PetroOXY and Rancimat methods by Araújo, Susana V., Rocha, Breno S., Luna, F. Murilo T., Rola, Estélio M., Azevedo, Diana C.S., Cavalcante, Célio L.

“…This short communication reports an assessment of the oxidation process of castor oil fatty methyl ester samples submitted to Rancimat (EN 14112) and PetroOXY…”
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Oxidative Stability of Acylated and Hydrogenated Ricinoleates Using Synthetic and Natural Antioxidants by Cavalcante, Célio L., Silva, Francisco O. N., Maia, Francisco J. N., Santiago, Vanessa S., Salmin, Davi Costa, Luna, F. Murilo T., Mazzetto, Selma E.

“…As increasing environmental policies constrains are imposed, the demand for biodegradable products also increases. Although vegetable oils present some…”
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MgM (M = Al and Ca) oxides as basic catalysts in transesterification processes by Albuquerque, Mônica C.G., Santamaría-González, José, Mérida-Robles, Josefa M., Moreno-Tost, Ramón, Rodríguez-Castellón, Enrique, Jiménez-López, Antonio, Azevedo, Diana C.S., Cavalcante, Célio L., Maireles-Torres, Pedro

“…This work investigates the use of MgAl and MgCa oxides as catalysts for transesterification processes. A FAME (fatty acid methyl esters) yield of 92% has been…”
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Thermo-Oxidative Stability and Tribological Properties of Biolubricants Obtained from Castor Oil Fatty Acids and Isoamyl Alcohol by Melo Neta, Maria Marliete F, Lima, Gustavo R. R, Tavares, Philipe de O, Figueredo, Igor de M, Rocha, Weslley da S, Ribeiro Filho, Paulo R. C. F, Cavalcante, Célio L, Luna, Francisco Murilo T

“…In this study, the thermo-oxidative stability and tribological behavior of bio-based lubricant samples synthesized from castor oil using isoamyl alcohol were…”
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The effect of heterogeneity in the randomly etched graphite model for carbon pore size characterization by Lucena, Sebastião M.P., Paiva, C. Adller S., Silvino, Pedro F.G., Azevedo, Diana C.S., Cavalcante, Célio L.

“…Using perfect slit pores for the determination of the pore size distribution of activated carbons presents some drawbacks such as the observed absence of pores…”
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Transesterification of ethyl butyrate with methanol using MgO/CaO catalysts by Albuquerque, Mônica C.G., Azevedo, Diana C.S., Cavalcante, Célio L., Santamaría-González, José, Mérida-Robles, Josefa M., Moreno-Tost, Ramón, Rodríguez-Castellón, Enrique, Jiménez-López, Antonio, Maireles-Torres, Pedro

“…A series of mixtures of MgO/CaO was prepared and characterized. The heterogeneous transesterification of ethyl butyrate with methanol, as a model reaction for…”
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Viscosities and Densities of Binary Mixtures of Coconut + Colza and Coconut + Soybean Biodiesel at Various Temperatures by Feitosa, Filipe X, Rodrigues, Marcelo de L, Veloso, Carolina B, Cavalcante, Célio L, Albuquerque, Mônica C. G, de Sant’Ana, Hosiberto B

“…Viscosity η and density ρ of binary mixtures of coconut + colza and coconut + soybean biodiesel have been measured over the whole composition range at T =…”
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