Search Results - "Cavalcante Jr, Célio L."

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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Representative Pores: An Efficient Method to Characterize Activated Carbons by de Oliveira, Jose Carlos Alexandre, Galdino, Ana Luisa, Gonçalves, Daniel V, Silvino, Pedro F G, Cavalcante, Jr, Celio L, Bastos-Neto, Moises, Azevedo, Diana C S, Lucena, Sebastiao M P

“…We propose a pore size analysis methodology for carbonaceous materials that reduces complexity while maintaining the significant elements of the…”
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Rapid assessment of total and polycyclic aromatic contents in heavy oils by Luna, F. Murilo T, Pontes Filho, Antonio A, Trindade, Eduardo D, Cavalcante, Celio L., Jr

“…The monitoring of the content of polycyclic aromatic hydrocarbons (PAHs) is important for evaluating heavy oil products, especially those most likely to cause…”
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Special issue on the 13th Brazilian meeting on adsorption by Cavalcante, Célio L., Bastos-Neto, Moisés, Rodrigues, Alírio E., Rajendran, Arvind

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Isomerization of n-hexane on Pt–Ni catalysts supported on nanocrystalline H-BEA zeolite by Lima, Patrícia M., Garetto, Teresita, Cavalcante, Célio L., Cardoso, Dilson

“…This study is focused on the isomerization of n-hexane over bimetallic catalysts supported on H-BEA zeolite. Due to its very small crystallites, these…”
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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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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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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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Transesterificarion of soybean oil using ethanol and mesoporous silica catalyst by Quintella, Solange A., Saboya, Rosana M.A., Salmin, Davi C., Novaes, Denise S., Araújo, Antonio S., Albuquerque, Monica C.G., Cavalcante, Célio L.

“…Mesoporous silica catalyst was evaluated in the ethanolysis of soybean oil. Ethanol can be environmentally advantageous over methanol (more frequently used as…”
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Sorption kinetics of linear paraffins in zeolite BEA nanocrystals by Lima, Patrícia M., Gonçalves, Caroline V., Cavalcante Jr, Célio L., Cardoso, Dilson

“…The objective of this study was to evaluate the sorption kinetics of linear paraffins in zeolite beta crystals using the ZLC technique to better understand its…”
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Effects of Amine and Phenolic Based Antioxidants on the Stability of Babassu Biodiesel Using Rancimat and Differential Scanning Calorimetry Techniques by Figueredo, Igor de M, Rios, M. Alexsandra de S, Cavalcante, Célio L, Luna, F. Murilo T

“…Babassu (Attalea speciosa) is a typical oilseed from the Brazilian northeast that may be an alternative feedstock for biodiesel production. Generally,…”
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Parametric Analysis of a Moving Bed Temperature Swing Adsorption (MBTSA) Process for Postcombustion CO2 Capture by Morales-Ospino, Rafael, Santos, Vitória N, Lima, Antônio R. A, Torres, A. Eurico B, Vilarrasa-García, Enrique, Bastos-Neto, Moises, Cavalcante, Celio L, Azevedo, Diana C. S, Marques, Carolina R. M, de Aquino, Thiago F, Vasconcelos, Lídia B, Knaebel, Kent S

“…We simulate a moving bed temperature swing adsorption (MBTSA) process to capture CO2 in postcombustion context using zeolite 13X as adsorbent. Experimental…”
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Surface acid-base properties of Cu-BTC and Fe-BTC MOFs. An inverse gas chromatography and n-butylamine thermo desorption study by Autié-Castro, Giselle, Reguera, Edilso, Cavalcante, Celio L., Araujo, Antonio S., Rodríguez-Castellón, Enrique

“…[Display omitted] •Surface acid-base properties of Cu-BTC and Fe-BTC frameworks were studied.•Inverse Gas Chromatography (IGC) and n-butylamine Thermo…”
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Oxidation Studies on Mineral Insulating Oil Using an Accelerated Method with Continuous Online Monitoring by Pontes Filho, Antonio A., Maia, Maxwell L., Figueredo, Igor M., Luna, F. Murilo T., Cavalcante, Celio L.

“…In this study, an alternative method was applied to evaluate the accelerated oxidation of mineral insulating oils using continuous real time monitoring, with…”
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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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Sulfonated activated carbons as potential catalysts for biolubricant synthesis by Ferreira, Aurélia R.O., Silvestre-Albero, Joaquín, Maier, Martin E., Ricardo, Nágila M.P.S., Cavalcante, Célio L., Luna, F. Murilo T.

“…[Display omitted] •Sulfonated activated carbons were prepared by aromatic electrophilic substitution.•The effect of sulfonic groups on esterification with…”
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Investigation of the secondary porosity in ill-crystallized or desilicated ZSM-5 zeolites and its performance on MTH reaction by Silva, Laura L., Florindo, Bianca R., Catuzo, Gabriel L., Zapelini, Iago W., Cardoso, João Victor S., Luna, F. Murilo T．, Cavalcante, Célio L., Martins, Leandro

“…•The production of aromatic compounds is directly related to the pore volume.•Hierarchical zeolites demonstrated resistance to deactivation by coke…”
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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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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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