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

Effects of textural and surface characteristics of microporous activated carbons on the methane adsorption capacity at high pressures by Bastos-Neto, M., Canabrava, D.V., Torres, A.E.B., Rodriguez-Castellón, E., Jiménez-López, A., Azevedo, D.C.S., Cavalcante, C.L.

“…The objective of this study is to relate textural and surface characteristics of selected microporous activated carbons to their methane storage capacity. In…”
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Adsorptive separation of fructose and glucose from an agroindustrial waste of cashew industry by Luz, D.A., Rodrigues, A.K.O., Silva, F.R.C., Torres, A.E.B., Cavalcante, C.L., Brito, E.S., Azevedo, D.C.S.

“…Nearly all agroindustrial wastes have appreciable sugar content including cashew apples ( Anacardium occidentale, L.), which are an important sub-utilized…”
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Metal-impregnated carbon applied as adsorbent for removal of sulphur compounds using fixed-bed column technology by Martins, A.V.P.R, Ramos, J.E.T, Coelho, J.A, Vidal, C.B, Cavalcante, C.L, Azevedo, D.C.S

“…Metal-impregnated carbons (Cu–AC; Ag–AC and Pd–AC) were studied as adsorbents for the desulphurization of liquid fuels. A real gasoline was examined for…”
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CO2 adsorption on amine modified mesoporous silicas: Effect of the progressive disorder of the honeycomb arrangement by Vilarrasa-Garcia, E., Moya, E.M. Ortigosa, Cecilia, J.A., Cavalcante, C.L., Jiménez-Jiménez, J., Azevedo, D.C.S., Rodríguez-Castellón, E.

“…•Ordered silicas (SBA-15) are more suited for organosilane grafting than foams (MCF).•APTES-grafted MCFs adsorb less CO2 as compared to APTES-grafted…”
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H2S and H2O Combined Effect on CO2 Capture by Amino Functionalized Hollow Microsphere Silicas by de Sousa, J. A. R, Amâncio, R, Morales-Ospino, R, de Oliveira, J. L. B, Cecilia, J. A, Vilarrasa-García, E, Bastos-Neto, M, Rodríguez-Castellón, E, de Azevedo, D. C. S

“…Hollow microspheres of silica were synthesized and functionalized with amino groups to enhance carbon dioxide adsorption. Functionalization was intended to…”
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CO2 adsorption on APTES functionalized mesocellular foams obtained from mesoporous silicas by Vilarrasa-García, E., Cecilia, J.A., Santos, S.M.L., Cavalcante, C.L., Jiménez-Jiménez, J., Azevedo, D.C.S., Rodríguez-Castellón, E.

“…CO2 adsorption/desorption isotherms on HTT34 for the first (squares), second (triangles) and third (circles) adsorption/desorption cycles at 25°C. Desorption…”
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Adsorption equilibria of CO2 and CH4 in cation-exchanged zeolites 13X by Moura, P. A. S., Bezerra, D. P., Vilarrasa-Garcia, E., Bastos-Neto, M., Azevedo, D. C. S.

“…Ion-exchange with different cations (Na + , NH 4 + , Li + , Ba 2+ and Fe 3+ ) was performed in binderless 13X zeolite pellets. Original and cation-exchanged…”
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CO2/CH4 adsorption separation process using pore expanded mesoporous silicas functionalizated by APTES grafting by Vilarrasa-García, E., Cecilia, J. A., Bastos-Neto, M., Cavalcante, C. L., Azevedo, D. C. S., Rodriguez-Castellón, E.

“…In this work we have studied the CO 2 adsorption capacity and CO 2 /CH 4 separation on several APTES-grafted mesoporous silicas of SBA-15 type. The synthesis…”
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Experimental designs for optimizing the purification of immunoglobulin G by mixed-mode chromatography by de Sousa, P.L.R., Tavares, P.A.S., Teixeira, E.M.T.S., Dias, N.A., de A. Lima, M., Luna, F.M.T., Gondim, D.R., de Azevedo, D.C.S., Junior, I.J. Silva

“…The main aim of this study was to define the optimal adsorption and elution conditions for the purification of human immunoglobulin G (IgG) by mixed-mode…”
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Assessing the potential of nanoporous carbon adsorbents from polyethylene terephthalate (PET) to separate CO2 from flue gas by Moura, P. A. S., Vilarrasa-Garcia, E., Maia, D. A. S., Bastos-Neto, M., Ania, C. O., Parra, J. B., Azevedo, D. C. S.

“…A series of nanoporous carbons was obtained by physical activation of polyethylene terephthalate and investigated for the separation of CO 2 from flue gas. The…”
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Adsorption of thiophene and toluene on NaY zeolites exchanged with Ag(I), Ni(II) and Zn(II) by Oliveira, M.L.M., Miranda, A.A.L., Barbosa, C.M.B.M., Cavalcante, C.L., Azevedo, D.C.S., Rodriguez-Castellon, E.

“…The present study evaluates the adsorption capacity of thiophene and toluene and their competitive behaviour on zeolite NaY exchanged with transition metals (5…”
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Valorization of wipe wastes for the synthesis of microporous carbons and their application in CO2 capture, gas separation and H2-storage by Cecilia, J.A., Vilarrasa-García, E., Azevedo, D.C.S., Vílchez-Cózar, A., Infantes-Molina, A., Ballesteros-Plata, D., Barroso-Martín, I., Rodríguez-Castellón, E.

“…Wipe wastes have been used as a cellulosic source to synthesize biochars. Prior to the synthesis of the adsorbents by the pyrolysis of wipes wastes, this waste…”
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Properties of biodiesel oils formulated using different biomass sources and their blends by Albuquerque, M.C.G., Machado, Y.L., Torres, A.E.B., Azevedo, D.C.S., Cavalcante, C.L., Firmiano, L.R., Parente, E.J.S.

“…Biodiesel is an alternative diesel fuel which can be obtained from the transesterification of vegetable oils with simple alcohols. This process decreases the…”
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Amino-modified pillared adsorbent from water-treatment solid wastes applied to CO2/N2 separation by Vilarrasa-García, E., Cecilia, J. A., Rodríguez Aguado, E., Jiménez-Jiménez, J., Cavalcante, C. L., Azevedo, D. C. S., Rodríguez-Castellón, E.

“…In this work, solid wastes from the flocculation step of a drinking water treatment plant were used as starting material to obtain CO 2 adsorbents upon thermal…”
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Al and Ti-containing mesoporous molecular sieves: Synthesis, characterization and redox activity in the anthracene oxidation by Araújo, R.S., Azevedo, D.C.S., Rodríguez-Castellón, E., Jiménez-López, A., Cavalcante, C.L.

“…Mesoporous materials H-MCM-41, Al-MCM-41(10), Ti-MCM-41(30) and Ti-HMS(30) were synthesized by the sol-gel method at room temperature. Samples have surface…”
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Why the pore geometry model could affect the uniqueness of the PSD in AC characterization by Toso, J. P., Cornette, V., Yelpo, Víctor A., de Oliveira, J. C. Alexandre, Azevedo, D. C. S., López, R. H.

“…In this paper we discuss why the pore geometry can affect the unicity of the pore size distribution (PSD) of a given activated carbon (AC) sample, when…”
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Adsorption of polycyclic aromatic hydrocarbons (PAHs) from isooctane solutions by mesoporous molecular sieves: Influence of the surface acidity by Araújo, R.S., Azevedo, D.C.S., Cavalcante, C.L., Jiménez-López, A., Rodríguez-Castellón, E.

“…Three different mesoporous molecular sieves of MCM-41 type (a pure silica and two aluminum doped silica with Si/Al molar ratios of 10 and 30) were evaluated…”
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Characterization of PSD of activated carbons by using slit and triangular pore geometries by Azevedo, D.C.S., Rios, R.B., López, R.H., Torres, A.E.B., Cavalcante, C.L., Toso, J.P., Zgrablich, G.

“…A mixed geometry model for activated carbons, representing the porous space as a collection of an undetermined proportion of slit and triangular pores, is…”
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On the production of glucose and fructose syrups from cashew apple juice derivatives by Ramos, J.E.T., Duarte, T.C., Rodrigues, A.K.O., Silva, I.J., Cavalcante, C.L., Azevedo, D.C.S.

“…The cashew crop is an important agro-economic activity in many equatorial areas, although less than 10% of the cashew apple production is exploited…”
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Adsorption Equilibria of Natural Gas Components on Activated Carbon: Pure and Mixed Gas Isotherms by R.E. Bazan, M. Bastos-Neto, R. Staudt, H. Papp, D.C.S. Azevedo, C.L. Cavalcante

“…A typical Natural Gas (NG) composition in South America contains ca. 86% methane, 10% ethane, 1.5% carbon dioxide, 1% nitrogen and other heavier hydrocarbons…”
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