Search Results - "C. S. Azevedo, Diana"

Effect of Calcination Temperature and Chemical Composition of PAN-Derived Carbon Microfibers on N2, CO2, and CH4 Adsorption by Ojeda-López, Reyna, Ramos-Sánchez, Guadalupe, García-Mendoza, Cinthia, C. S. Azevedo, Diana, Guzmán-Vargas, Ariel, Felipe, Carlos

“…This work investigates the interplay of carbonization temperature and the chemical composition of carbon microfibers (CMFs), and their impact on the…”
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Synthesis of MeOH and DME From CO2 Hydrogenation Over Commercial and Modified Catalysts by Santiago, Rafaelle G., Coelho, Juliana A., Lucena, Sebastião M. P. de, Musse, Ana Paula S., Portilho, Marcio de F., Rodriguez-Castellón, Enrique, Azevedo, Diana C. S. de, Bastos-Neto, Moises

“…Growing concern about climate change has been driving the search for solutions to mitigate greenhouse gas emissions. In this context, carbon capture and…”
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CO2 adsorption in amine-grafted zeolite 13X by Bezerra, Diôgo P., Silva, Francisco W.M. da, Moura, Pedro A.S. de, Sousa, Allyson G.S., Vieira, Rodrigo S., Rodriguez-Castellon, Enrique, Azevedo, Diana C.S.

“…•CO2 adsorption mechanism in amine-grafted zeolite 13X was investigated.•The loaded amine tends to fill zeolite micropores and most of it is unaccessible to…”
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Protein Adsorption onto Modified Porous Silica by Single and Binary Human Serum Protein Solutions by Gondim, Diego R, Cecilia, Juan A, Rodrigues, Thaina N B, Vilarrasa-García, Enrique, Rodríguez-Castellón, Enrique, Azevedo, Diana C S, Silva, Jr, Ivanildo J

“…Typical porous silica (SBA-15) has been modified with pore expander agent (1,3,5-trimethylbenzene) and fluoride-species to diminish the length of the channels…”
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Carbon dioxide–nitrogen separation through adsorption on activated carbon in a fixed bed by Dantas, Tirzhá L.P., Luna, Francisco Murilo T., Silva, Ivanildo J., de Azevedo, Diana C.S., Grande, Carlos A., Rodrigues, Alírio E., Moreira, Regina F.P.M.

“…The reduction of carbon dioxide emissions from flue gases can be achieved using post-combustion capture technologies such as adsorption. In this paper, we…”
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Assessing CO2 Adsorption on Amino-Functionalized Mesocellular Foams Synthesized at Different Aging Temperatures by Vilarrasa-García, Enrique, Cecilia, Juan Antonio, Moura, Pedro Augusto S., Azevedo, Diana C. S., Rodríguez-Castellón, Enrique

“…A wide variety of solid sorbents has recently been synthesized for application in CO2 adsorption. Among them, mesoporous silicas deserve attention because of…”
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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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Carbon dioxide–nitrogen separation through pressure swing adsorption by Dantas, Tirzhá L.P., Luna, Francisco Murilo T., Silva, Ivanildo J., Torres, Antonio Eurico B., de Azevedo, Diana C.S., Rodrigues, Alírio E., Moreira, Regina F.P.M.

“…• The active sites for N2 and CO2 adsorption are independent and consequently the presence of nitrogen in the mixture does not affect the CO2 adsorption. • The…”
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Editorial: Perspectives on Carbon Dioxide Capture and Conversion by Azevedo, Diana C S, Lucena, Sebastiao M P, Rodríguez-Castellón, Enrique, Wexler, Carlos

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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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Pd-loaded mesoporous silica as a robust adsorbent in adsorption/desorption desulfurization cycles by Rodrigues, Anne Kerolaine O., Ramos, Josy Eliziane T., Cavalcante, Celio L., Rodríguez-Castellón, Enrique, Azevedo, Diana C.S.

“…•A robust and cheap adsorbent for deep desulfurization of gasoline was prepared.•In Pd-loaded silica adsorbent, palladium is present as Pd(0), Pd(II) and…”
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Production of α,β-unsaturated esters via Knoevenagel condensation of buthyraldehyde and ethyl cyanoacetate over amine-containing carbon catalyst by Bezerra, Diogo P., Azevedo, Diana C.S., Pinheiro, Ludmila G., Filho, Josué M., Oliveira, Alcineia C.

“…•Amine-containing carbon catalysts were synthesized for α,β-unsaturated esters production.•Monoethanolamine-functionalization on the carbon led to structural…”
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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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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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Fructose-glucose separation in a SMB pilot unit: Modeling, simulation, design, and operation by Azevedo, Diana C. S., Rodrigues, Alírio E.

“…Glucose was separated from fructose experimentally using a simulated moving‐bed (SMB) adsorber. A strongly acid cationic resin of gel type (Ca2+ form) Dowex…”
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Thermo-Oxidative Stability of Mineral Naphthenic Insulating Oils:  Combined Effect of Antioxidants and Metal Passivator by Rabelo Neto, R. Crisóstomo, Lima, Daniel O, Pinheiro, Thauzer D. S, Almeida, Rômulo F, Castro Dantas, Tereza N, Dantas, Michelle S. G, Araújo, M. Adelina S, Cavalcante, Célio L, Azevedo, Diana C. S

“…The oxidation of mineral oils is the most important cause of poor power transformer performance. High voltages, high temperatures, and the presence of oxygen…”
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Stability of an Al-Fumarate MOF and Its Potential for CO2 Capture from Wet Stream by Coelho, Juliana A, Ribeiro, Ana Mafalda, Ferreira, Alexandre F. P, Lucena, Sebastião M. P, Rodrigues, Alírio E, Azevedo, Diana C. S. de

“…In this work, a new aluminum fumarate MOF was investigated regarding its water stability and CO2 adsorption in the presence and absence of water. The…”
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Assessment of surface acidity in mesoporous materials containing aluminum and titanium by Araújo, Rinaldo S., Maia, Débora A.S., Azevedo, Diana C.S., Cavalcante, Célio L., Rodríguez-Castellón, E., Jimenez-Lopez, A.

“…The surface acidity of mesoporous molecular sieves of aluminum and titanium was evaluated using four different techniques: n-butylamine volumetry,…”
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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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LTA Zeolite Characterization Based on Pore Type Distribution by de Lucena, Sebastião M. P, Oliveira, José Carlos A, Gonçalves, Daniel V, Lucas, Lyssandra M. O, Moura, Pedro A. S, Santiago, Rafaelle G, Azevedo, Diana C. S, Bastos-Neto, Moises

“…Despite the great industrial importance of zeolite LTA, there is still a gap in characterization methods, based on adsorption related to hindered diffusion of…”
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