Search Results - "Borba, C. E."

Removal of nickel(II) ions from aqueous solution by biosorption in a fixed bed column: Experimental and theoretical breakthrough curves by Borba, C.E., Guirardello, R., Silva, E.A., Veit, M.T., Tavares, C.R.G.

“…The nickel(II) ions biosorption process by marine algae Sargassum filipendula in a fixed bed column was investigated for the following experimental conditions:…”
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Assessment of metal sorption mechanisms by aquatic macrophytes using PIXE analysis by Módenes, A.N., Espinoza-Quiñones, F.R., Santos, G.H.F., Borba, C.E., Rizzutto, M.A.

“…•Divalent metal ion removals by Egeria densa biosorbent.•Multielements concentrations in biosorbent samples by PIXE analysis.•Elements mass balance in liquid…”
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Thin and thick target PIXE analyses to assess the mechanism of Cu2+ removal by Egeria densa by Espinoza-Quiñones, F.R., Módenes, A.N., Santos, G.H.F., Borba, C.E., Rizzutto, M.A., Ravagnani, Mauro A.S.S.

“…In this work the PIXE technique was used to study the mechanism of metal sorption by dead biomass. Several batch copper-sorption experiments were performed by…”
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Phenomenological modeling of reactive dye adsorption onto fish scales surface in the presence of electrolyte and surfactant mixtures by Neves, C. V., Scheufele, F. B., Nardino, A. P., Vieira, M. G. A., da Silva, M. G. C., Módenes, A. N., Borba, C. E.

“…The aim of this work was an experimental and theoretical investigation of the influence of electrolyte (NaCl) and surfactant (SP), as textile auxiliary agents…”
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Evaluation of hybrid neutralization/biosorption process for zinc ions removal from automotive battery effluent by dolomite and fish scales by Ribeiro, C., Scheufele, F. B., Alves, H. J., Kroumov, A. D., Espinoza-Quiñones, F. R., Módenes, A. N., Borba, C. E.

“…This work focused in the evaluation of Oreochromis niloticus fish scales (FS) as biosorbent material in the removal of Zn from a synthetic effluent based on…”
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Mathematical modeling of a ternary Cu–Zn–Na ion exchange system in a fixed-bed column using Amberlite IR 120 by Borba, C.E., Santos, G.H.F., Silva, E.A.

“…► Predictive mathematical modeling of Cu–Zn–Na ion exchange system in fixed-bed column. ► Internal and external mass transfer limitations are considered. ►…”
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Application of the mass action law to describe ion exchange equilibrium in a fixed-bed column by Borba, C.E., Silva, E.A., Spohr, S., Santos, G.H.F., Guirardello, R.

“…► Mass action law describes satisfactorily ion exchange equilibrium. ► The internal and external mass transfer limitation should be considered. ► Linear…”
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Optimization of multiple-effect evaporation in the pulp and paper industry using response surface methodology by Diel, C.L., Canevesi, R.L.S., Zempulski, D.A., Awadallak, J.A., Borba, C.E., Palú, F., Silva, E.A.

“…•The evaporation plant has high energy demand in a pulp and paper industry. Any changes made to increase the efficiency of this process are of great industrial…”
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Ion Exchange Equilibrium Prediction for the System Cu2+−Zn2+−Na+ by Borba, C. E, Silva, E. A, Spohr, S, Santos, G. H. F, Guirardello, R

“…In this work, ion exchange experimental data were obtained in batch operation for the binary systems Cu2+−Na+, Zn2+−Na+, and Zn2+−Cu2+ and for the ternary…”
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Adsorption of Zn(II) and Cd(II) ions in batch system by using the Eichhornia crassipes by Módenes, A N, Espinoza-Quiñones, F R, Borba, C E, Trigueros, D E G, Lavarda, F L, Abugderah, M M, Kroumov, A D

“…In this work, the displacement effects on the sorption capacities of zinc and cadmium ions of the Eichornia crassipes-type biosorbent in batch binary system…”
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Evaluation of trace element levels in muscles, liver and gonad of fish species from São Francisco River of the Paraná Brazilian state by using SR-TXRF technique by Espinoza-Quiñones, F.R., Módenes, A.N., Palácio, S.M., Szymanski, N., Welter, R.A., Rizzutto, M.A., Borba, C.E., Kroumov, Alexander D.

“…This study is focused on the analysis of an accumulation of inorganic elements in muscles, liver and gonad of seven fish species from São Francisco River…”
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Risk reduction in musculoskeletal practice assistance professional nursing pilot in semi intensive care unit by Lemo, A, Silva, A G, Tucherman, M, Talerman, C, Guastelli, R L, e Borba, C L

“…The hospitals mostly have a high level of complexity, diversity of services and, consequently, occupational risks. The tasks of mobilization and manual…”
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Mechanical alloying of Fe and Zn: phase analysis and Mössbauer studies by de Lima, J.C., Borba, E.C., Paduani, C., dos Santos, V.H.F., Grandi, T.A., Rechenberg, H.R., Denicoló, I., Elmassalami, M., Barbosa, A.F.

“…Crystalline Fe 25Zn 75 powder alloys ( Γ 1 phase) have been prepared by mechanical alloying of pure elemental powders. A crystalline Fe 27.9Zn 72.1 alloy (Γ…”
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Rapid enzymatic hydrolysis of crambe oil catalyzed by castor seeds lipases by Tavares, F., Sackser, P.R., Borba, C.E., Silva, E.A.

“…[Display omitted] •Castor fresh seeds perform better than defatted seeds on crambe oil hydrolysis.•Castor bean seeds were used fresh and in oil-free…”
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Methane storage in activated carbon at low pressure under different temperatures and flow rates of charge by Feroldi, M., Neves, A.C., Borba, C.E., Alves, H.J.

“…Storage of methane adsorbed on activated carbon at low pressure and room temperature (Adsorbed Natural Gas - ANG) has been studied in recent years as…”
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Use of castor bean seeds as lipase source for hydrolysis of crambe oil by Tavares, F., Petry, J., Sackser, P.R., Borba, C.E., Silva, E.A.

“…[Display omitted] •Efficiency of oil hydrolysis using vegetal lipase from castor seeds was evaluated.•Castor bean seeds were used as in natura and in oil-free…”
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Optimization of the Iron Electro-Coagulation Process of Cr, Ni, Cu, and Zn Galvanization By-Products by Using Response Surface Methodology by Espinoza-Quiñones, F. R., Módenes, A. N., Theodoro, P. S., Palácio, S. M., Trigueros, D. E. G., Borba, C. E., Abugderah, M. M., Kroumov, Alexander D.

“…An electrocoagulation laboratory scale system was studied for the removal of inorganic pollutants from a mixture of galvanic process-based by-products…”
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Ion Exchange Equilibrium Prediction for the System Cu 2+ −Zn 2+ −Na by Borba, C. E., Silva, E. A., Spohr, S., Santos, G. H. F., Guirardello, R.

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Comparison of Phenomenological and Hybrid Models in the Description of the Ion Exchange Process in a Fixed-Bed Column by D'Arisbo, T., Silva, E. A., Borba, C. E., Ostroski, I. C., Arroyo, P. A., Barros, M. A. S. D.

“…In this study, two models (phenomenological and hybrid) were used in the description of the ion exchange process in a fixed-bed column. The external and…”
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Plasma nitrocarburizing of pure sintered iron: the evolution of compound layer by Borba, E C, Maliska, A M, de Souza, A R

“…The role of carbon in the microstructure of the PM material and its presence in the nitrocarburizing atmosphere is investigated. In order to study the…”
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