Edson Antonio da Silva

Edson Antonio da Silva
Universidade Estadual do Oeste do Paraná | UNIOESTE · Centro de Engenharias e Ciências Exatas

PhD

About

287
Publications
48,879
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4,566
Citations
Citations since 2017
125 Research Items
2935 Citations
20172018201920202021202220230100200300400500600
20172018201920202021202220230100200300400500600
20172018201920202021202220230100200300400500600
20172018201920202021202220230100200300400500600
Introduction
Edson Antonio da Silva currently works at the Centro de Engenharias e Ciências Exatas, Universidade Estadual do Oeste do Paraná. Edson does research in Chemical Engineering. Their current project is 'Briquettes production for use as power source for combustion using charcoal thin waste and sanitary sewage sludge'.
Additional affiliations
March 1998 - April 2016
Universidade Estadual do Oeste do Paraná
Position
  • Professor (Associate)
January 1998 - April 2016
Universidade Estadual do Oeste do Paraná
Position
  • Professor (Associate)

Publications

Publications (287)
Article
Full-text available
Caryocar brasiliense Cambess (pequi) is the fruit of the pequizeiro tree found in the Brazilian Cerrado (savanna). Supercritical fluids have been used to effectively extract bioactive chemicals. In light of the paucity of research on the supercritical extraction of pequi, in this study, experimental tests were conducted on the extraction of pequi a...
Article
Full-text available
The mass yield of the extraction is influenced directly by the pre‐treatment conditions of the raw material. In the case of leaves, drying is required to ensure their biological stability and is a pre‐processing step that demands large amounts of thermal energy. In the present study, the oil extraction process was numerically optimized, considering...
Article
Full-text available
The physicochemical and microbiological stability of a hyaluronic acid-based nanostructured topical delivery system containing P. pubescens fruit oil was evaluated, and the in vitro antileishmanial activity of the nanoemulsion against Leishmania amazonensis and the cytotoxicity on macrophages was investigated. The formulation stored at 5 ± 2 °C, co...
Article
Full-text available
Nessa dissertação foram analisados e apresentados de forma simplificada os procedimentos legais exigíveis para a implantação e regularização da Geração de Energia Elétrica por meio do Sistema Fotovoltaica no Estado do Paraná. Dentre os quais o Licenciamento Ambiental e os procedimentos para homologação e injeção de energia elétrica na concessionári...
Article
Full-text available
The γ-valerolactone is an effective solvent in solubilizing lignocellulosic biomass fractions, although it inhibits microbial activity. To avoid the negative effects on the metabolism of microorganisms, even small quantities of γ-valerolactone need to be removed. This study examined the adsorption of γ-valerolactone on the commercial resin. The rem...
Article
Full-text available
Due to the by-products generated during the processing of meat, biomolecules derived from these by-products, in the form of protein hydrolysates, have been studied for being used as raw materials to produce food. In the present study, the tilapia slaughtering by-products were hydrolyzed, under 60 oC for 2 hours, and spray-dried under 130 oC. After...
Article
Full-text available
The main goal of this study was to assess alternatives to the current challenges on environmental quality and circular economy. The former is here addressed by the treatment of radioactively contaminated solutions, and the latter by using abundant and low-cost biomass. In this paper, we examine the biosorption of hexavalent uranium (U(VI)) in a bat...
Article
Monoacylglycerol (MAG) and diacylglycerol (DAG) are two natural components found in most edible oils and fats. Conventional synthesis of MAG and DAG is usually conducted by glycerolysis of triacylglycerol (TAG) at high temperatures (above 200°C) in the presence of an alkaline catalyst. In this work, the synthesis of MAG and DAG using enzymatic glyc...
Article
Full-text available
This study refers to the development of hybrid briquettes using centrifuged sludge from the wastewater treatment of poultry and sawdust from furniture industry. The aim was to evaluate the performance of briquettes as a source of thermal energy, mitigating the risks of the current elimination and reducing the operational costs of their destination....
Preprint
Full-text available
The mass yield of the extraction is influenced directly by the pre-treatment conditions of the raw material. In the case of leaves, drying is required to ensure their biological stability and is a pre-processing step that demands large amounts of thermal energy. In the present study, the oil extraction process was numerically optimized, considering...
Article
This research aimed to microencapsulate Saccharomyces boulardii using an experimental design 23 to evaluate vegan and vegetarian wall materials, rice protein and maltodextrin in different proportions, drying temperature, and feed flow. The microcapsules were characterized by encapsulation yield, moisture content, Scanning electron microscopy, Fouri...
Article
In the typical biodiesel production process carried out by the wet method, large volumes of effluents are generated. The objective of this work was to evaluate and compare the use of a novel high efficiency Deep Eutectic Solvent (DES), with the conventional solvent (hot water). The intense ionic interactions established with the formation of hydrog...
Article
Full-text available
Os impactos econômicos e ambientais ao uso de combustíveis fósseis tem incentivado a busca de fontes renováveis de energia. Em regiões isoladas é comum o emprego de geradores a diesel para a geração de energia elétrica. Assim o biodiesel se mostra uma grande alternativa para geradores elétricos. Neste estudo foram realizados a análise energética e...
Article
The profiles of oils extracted from insects have drawn attention recently in several studies because of their nutritional quality. The objective of this study was to determine how extraction using pressurized n-propane affects the composition, oxidative stability, and health indices of oils from two species of edible insect larvae, Zophobas morio (...
Article
In this research, the atrazine adsorption onto activated biochar produced from corn straw was evaluated based on kinetic and equilibrium studies and physical, chemical and morphological analyses. Batch adsorption experiments were performed to obtain kinetic and equilibrium parameters which were used to simulate the process’ performance on fixed-bed...
Article
Oil hydrolysis is an important industrial process that requires high temperatures and pressure, or expensive enzymatic catalysts; it is, therefore, necessary to seek the use of inexpensive raw materials and process enhancement. In this work, a rapid and eco-friendly method, using ultrasound power, was successfully employed to hydrolyze crambe (Cram...
Article
Monteverdia aquifolia leaves extracts was obtained using pressurized-liquid extraction (PLE) and ultrasound-assisted extraction (UAE), evaluating, when pertinent, temperature, solvent, solvent/biomass ratio, and sonication amplitude (%), comparing to the conventional Soxhlet extraction (SOX) concerning yield (wt%), total phenolic content (TPC), ant...
Article
Full-text available
Sooro Renner Nutrição S.A. company is found in the Western Region of Paraná/Brazil, which is highlighted nationally and in Latin America concerning the production of whey protein concentrate (WPC). During the production of WPC, performed in ultrafiltration membranes, the subproduct cheese whey permeate (CWP) is generated, which is rich in nutrients...
Article
In this study, clove leaves (Syzygium aromaticum) were subjected to ultrasound-assisted extraction (UAE) with ethanol as the solvent, following a central composite design to evaluate the effects of time, amplitude, solvent/sample ratio, and temperature on the yield, eugenol content, and antioxidant capacity of the extracts. The results were compare...
Article
The performance of the pomegranate peel extract against the synthetic antioxidant additives on the oxidation stability of commercial biodiesel B100 derived from soybean was evaluated. The experimental extraction was conducted under 200 bar, 35, 45, and 55 oC, and 0.0, 2.5, and 5.0 mL of ethanol as co‐solvent. Due to the rich in squalene and α‐tocop...
Article
Biochar from bamboo culm was produced at three different temperatures (350, 450 and 550 °C) and evaluated concerning the effect of biochar production temperature on atrazine adsorption. The biochars were characterized by elemental composition, point of zero charge (pHpzc), N2 physisorption, Scanning Electron Microscopy (SEM), and Fourier Transform...
Article
Due to the huge variety of therapeutic properties found in plant leaves, many of these are widely used in traditional medicine. Among these plants, guaco, which has a rich in chlorogenic acids composition, is considered exotic in Brazil, being, therefore, an environmental problem. In this context, this study obtained the drying kinetics and the exp...
Article
In this study, the optimum conditions for the multi-enzymatic recovery of cellulases produced by Aspergillus niger were investigated using sugarcane bagasse. Two extraction methods were investigated: the two-stage solid–liquid extraction (SLE) followed by ultrasound-assisted extraction (UAE), and the single-stage SLE. The ultrasound effects were ev...
Article
Oil derived products can be used effectively through the use of bifunctional catalysts in hydroconversion (hydroisomerization/hydrocracking) reactions. Therefore, the objective of this work was studying the n-hexadecane hydroisomerization using a bifunctional Pt/Al-SBA-15 catalyst, evaluating conversion and selectivity to mono branched products. Th...
Article
Because of the inadequate disposal of pharmaceutical products and a residual portion that is not absorbed by the organism and is disposed into domestic sewage, antibiotics have been found in water resources. This results in serious problems for the environment and for human health, thus, efficient methods to remove these compounds from aqueous effl...
Article
The extraction of oil from Syagrus oleracea kernels using supercritical CO2 and compressed propane was investigated. The effects of temperature and pressure on the extraction yield were evaluated according to an experimental design and the kinetic curves were fitted using Sovová’s mathematical model. The highest yield for the extractions with super...
Article
Extractions of red Araçá were carried out using supercritical CO2, hydrodistillation and petroleum ether. Second-order kinetic model was able to correlate the experimental data. The best extraction yield (2.86 wt%) was obtained at 60° C and 25.0 MPa. The essential oil had the highest total antioxidant activity (TAA) (8.10 gα-tocopherol gextract⁻¹),...
Article
In this study, the oil extraction from favela (Cnidoscolus quercifolius) seeds was evaluated using a nonconventional ultrasound‐assisted extraction (UAE) method with ethanol as solvent. UAE was performed using a 33‐Box‐Behnken design to evaluate the effects of the temperature, solvent‐to‐solid ratio, and ultrasound intensity on the yield, concentra...
Article
Full-text available
Introduction: Trypanosoma cruzi is the agent of Chagas' disease and affects approximately 6-8 million people worldwide. The search for new anti-T. cruzi drugs are relevant because only two drugs exist actually. The objective of this study was to investigate the effect of the extracts from the seeds of Lonchocarpus cultratus on T. cruzi, its cytoto...
Article
In this study, the production of fatty acid ethyl esters (FAEE) from macauba pulp oil and pressurized ethanol was investigated. The experiments were conducted without the addition of catalyst, at 20 MPa, to determine the effect of temperature (200 to 300 °C) and the oil to ethanol mass ratio (1:1 and 1:2) on the FAEE content and different residence...
Article
Motivated by the search for healthy alimentation and sustainable technological processes, this study aimed to produce a synbiotic composed of the prebiotic galacto-oligosaccharides (GOS) and the probiotic yeast Saccharomyces boulardii, simultaneously, using cheese whey permeate as substrate by enzymatic-fermentative method. A central composite rota...
Article
This work presents an economic evaluation of supercritical fluid extraction (SFE) process from uvaia leaves. Extractions were performed at a previously optimized condition of pressure (200 bar) and temperature (60 °C) and were evaluated with the addition of 5% of two different co-solvents (ethyl acetate and ethanol). A scale-up study was performed...
Article
Full-text available
Abstract: The concern with the treatment of wastewater produced by the industry is real. Adsorption is one of the most used processes, especially in the refining steps, in which the concentrations of the components are low and conventional processes are not efficient. However, finding the best condition for this task is not simple, as it involves t...
Preprint
Full-text available
Monoacylglycerol (MAG) and diacylglycerol (DAG) are two natural components found in most edible oils and fats. Conventional synthesis of MAG and DAG is usually conducted by glycerolysis of triacylglycerol (TAG) at high temperatures (above 200 °C) in the presence of an alkaline catalyst. In this work, the synthesis of MAG and DAG using enzymatic gly...
Article
Full-text available
Aims: This study aimed to characterize and evaluate leishmanicidal and trypanocidal action as well as cytotoxicity on macrophages and antioxidant ability of extracts, obtained by supercritical CO2 and ultrasound-assisted extractions of Uvaia (Eugenia pyriformis) leaves. Methods: Leaves from E. pyriformis were submitted to supercritical CO2 (E1)...
Article
There is growing interest in the use of topical delivery systems that can modify the permeation of drugs through the skin. Transdermal carriers containing hyaluronic acid have been investigated, and results indicate that nanoemulsions containing hyaluronic acid can be used successfully in delivery systems of lipophilic drugs. Pterodon pubescens oil...
Chapter
Moringa oleifera, popularly known as Moringa, is a plant present in several tropical climate countries. Currently the products extracted from Moringa are used in various areas of consumption such as: cosmetics, food, medicine, animal nutrition, biofuel. Moringa is also used as an adsorbent in various forms including as charcoal. The products extrac...
Article
Full-text available
O estudo teve o objetivo de comparar diferentes densidades populacionais de cultivo para genótipos de chia, ChiaSE e ChiaSB, para atributos de importância agronômica e composição química dos grãos. O experimento foi realizado em janeiro/maio de 2019 no município de São Miguel do Iguaçu, Paraná. O experimento foi conduzido em blocos casualizados com...
Article
In this study, oil was extracted from favela (Cnidoscolus quercifolius) seeds via the Soxhlet method using ethanol, isopropanol, ethyl acetate, and n-hexane as solvents. Ethanol provided the highest oil yield (49.6 wt%), β-sitosterol concentration (131.6 mg 100 goil⁻¹), TPC (197.4 mg GAE kgoil⁻¹), and antioxidant activity (6.0 mmol Trolox kgoil⁻¹)....
Article
Calcium alginate beads, inactivated Saccharomyces cerevisiae and inactivated S. cerevisiae immobilized in calcium alginate beads (S. cerevisiae-calcium alginate beads) are examined as potential biosorption materials as regards their capacity to remove 241 Am. In this study, initial experiments were carried out to evaluate the effects of pH (2 and 4...
Article
In this paper, it was suggested the use of green corn husk, which is a biomass from agro-industry, as an alternative source of energy through its pyrolysis. Green corn husk characterization was done through immediate and elemental analysis of its components: cellulose, hemicelluloses, and lignin. It was also measured its higher calorific value. The...
Article
Full-text available
Cecropia pachystachya Trécul is popularly known in Brazil as embaúva or embaúba. Pharmacological activities were reported in extant studies including the development of anxiolytic, antidepressant, hypoglycemic, antioxidant, cardiotonic, sedative, anti-inflammatory, antimicrobial and leishmanicidal properties for aqueous and alcoholic extracts prepa...
Article
Full-text available
Rice and coffee husks (raw and chemically activated) are examined as potential biosorption materials regarding their capacity to remove U (total), 241 Am, and 137 Cs. The physical parameters evaluated were the morphological characteristics of the biomass, real and apparent density, and surface area. Contact times for the batch experiments were 0.5,...
Article
This study aims to evaluate the two-phase anaerobic digestion process of a cassava starch-based polymer, determining the ideal organic load to obtain the best results in terms of removal of solids and production of methane and hydrogen. Two reactors were used: one with an agitation and mixing system for the acidogenic phase, and the other was a tub...
Article
Full-text available
Trypanosoma cruzi is the agent of Chagas disease, an infection that affects around 8 million people worldwide. The search for new anti-T. cruzi drugs are relevant, mainly because the treatment of this disease is limited to two drugs. The objective of this study was to investigate the trypanocidal and cytotoxic activity and elucidate the chemical pr...
Article
Supercritical CO2 extracts of Eugenia pyriformis leaves are potential sources of α-amyrin and β-amyrin, which are bioactive compounds with several possible pharmacological applications. Supercritical CO2 extractions were performed to obtain kinetic curves at 60, 70, and 80 °C, and pressures of 150, 175, and 200 bar. Herein, the second order, equili...
Article
Cnidoscolus quercifolius seeds were subjected to oil extraction with supercritical CO2 at 40, 50, and 60 °C and 20, 25, and 30 MPa for 120 min at 5 g min⁻¹. The oils obtained were evaluated from the viewpoint of their yield, composition, and antioxidant activity; they were compared with the oil obtained using the conventional Soxhlet extraction met...
Article
Full-text available
Os processos tradicionais de purificação do biodiesel são onerosos e lentos, gerando grandes volumes de efluentes para atender os parâmetros de qualidade exigidos pela legislação. Este trabalho avalia os efeitos de novas combinações para a síntese de líquidos iônicos (LI’s) sobre a eficiência do solvente na remoção de impurezas do biodiesel de soja...
Article
In this study, extracts of Morus alba leaves were obtained by supercritical CO2 and ultrasound-assisted methods, and the results were compared to those of the conventional Soxhlet extraction. The supercritical extraction resulted in the highest yields of 1.08 and 1.11 wt%, when under the highest pressure conditions investigated (200 bar; 40 and 60...
Article
Full-text available
In this work, the ultrasound- assisted solvent extraction was investigated to  obtain bioactive extracts from Sete Capote  (Campomanesia Guazumifolia Cambess.) leaves.  The effects of temperature, ultrasound power and  solvent/leaf mass ratio upon the extraction yield  through an experimental design were evaluated.  Furthermore, chemical cha...
Article
Natural extracts of strawberry guava leaf were obtained using the following techniques: supercritical CO2 extraction (at 14, 17, and 20 MPa and 35, 45, and 55 °C); dynamic maceration with hexane solvent; Soxhlet extraction; ultrasound-assisted extraction (at 40, 50, and 60 °C; 100, 300, and 500 W; 1:10, 15, and 20 g mL⁻¹), and supercritical extract...
Article
Extracts containing bioactive compounds were obtained from Bauhinia forficata leaves by ultrasound‐assisted extraction (UAE) with three different solvents (n‐hexane, ethyl acetate, and ethanol) and were compared with those obtained by a conventional method (maceration). Box‐Behnken experimental design was applied to examine and optimize the effect...
Article
Despite the significant increase in biogas and methane production provided by the addition of glycerol to agro-industrial waste when submitted to anaerobic biodigestion, just a few studies are directed to hydrogen production using this procedure. Thus, the present study evaluated the anaerobic biodigestion of the cassava wastewater with the additio...
Article
Full-text available
Extratos das sementes de Eugenia pyriformis têm mostrado uma promissora atividade contra Leishmania (parasita atualmente negligenciado) em ensaios in vitro, assim, estabelecer a sua relação com o sistema imune mamífero é importante para futuros experimentos in vivo. Este trabalho propõe o uso dos extratos de folhas de E. pyriformis, obtidos por ext...
Article
O Brasil é o segundo maior produtor de biocombustíveis do mundo, sendo a soja e a cana-de-açúcar as matérias-primas mais utilizadas no processo. O objetivo da pesquisa concentrou-se na análise da distribuição geográfica das usinas produtoras de biocombustíveis da Região Sul do país, bem como na influência de fatores naturais na disponibilidade de m...
Patent
A presente Patente de Invenção atua no campo de Biotecnologia, Processos Químicos e Bioquímicos, mais especificamente, hidrólise enzimática. O objetivo da presente patente trata do potencial de aplicação da matéria- prima fígado suíno e sua conversão em hidrolisado proteico integral, clarificado, fracionado e/ou purificado de figado suíno e suas fu...
Conference Paper
Full-text available
RESUMO: As fontes de energias renováveis vêm se destacando cada vez mais na matriz energética. Entre elas podem-se destacar as microalgas devido ao seu alto potencial na produção de lipídeos. Esses microrganismos também apresentam um curto ciclo de crescimento, capacidade de ocupar espaços restritos e áreas não agricultáveis, além de causar baixo i...
Article
Cashew nuts in natura were crushed and subjected to lipid extraction using pressurized propane. There was variation in the temperature (30–60°C) and percentage of the cosolvent ethanol (0–6 %) using a 2² factorial design with central point in three replicates. The lipid composition was determined and compared to the composition of the ethereal extr...
Article
The objective of this work is to propose a new route to produce diacylglycerol (DAG) by combining glycerolysis and esterification to convert the formed monoacylglycerol (MAG) into DAG instead of separating it from the product. Linseed oil was used as the source of triacylglycerol (TAG), oleic acid as free fatty acid (FFA), and phospholipase Novozym...
Article
The subspecies B. forficata subsp. pruinosa is practically unexplored scientifically. Thus, the aim of this study was to evaluate a supercritical fluid extraction method and to compare it with the conventional Soxhlet method. The supercritical fluid extraction was performed with CO2, at temperatures of 40–60 °C and pressures of 18–22 MPa, while the...
Article
The obtaining of α-/β-amyrin from Eugenia pyriformis leaves is a subject with few studies that needs to be explored further in order to extend the understanding about processes to recover these compounds. Thus, the objective of this study was to evaluate the effects of pressure and co-solvent addition in the supercritical CO2 extraction regarding t...
Article
In this study, the immobilized biosorbent prepared from brown algae Sargassum sp. was used for removal of Ni2+ and Cu2+ ions in a fixed bed column. Initially, the experiments were carried out using synthetic solutions, and the linear driving force model was fitted to the breakthrough curves. The equilibrium relations in continuous system was well-a...
Article
Full-text available
Pressure swing adsorption (PSA) is a mature technique for biogas upgrading. However, it constitutes the most expensive step to obtain fuel-quality bio-methane, particularly in small-scale units. To reduce the cost of upgrading in small-scale plants, we have evaluated different PSA cycles with two and three columns (less than commercial units). An e...
Poster
Full-text available
Abstract: There is a growing concern with the treatment of waste produced by industry, mainly for the development of greener processes. The main objective of this work was to obtain an Artificial Neural Network as an alternative to the binary adsorption kinetic models of the Ni 2+-Cr 3+ mixture. Three experiments with different initial amounts for...
Article
Full-text available
In this study, the alginate-based biosorbent produced from seaweed Sargassum sp. was used in biosorption of Ni2+ and Cu2+ ions from synthetic solutions and real electroplating effluents. Biosorption kinetics, isotherms, pH effect, thermodynamic parameters, and sorption/desorption cycles were also evaluated. Kinetic studies show the sorption equilib...
Article
In this study, non-conventional methods of supercritical extraction with CO 2 as well as with ethanol or ethyl acetate cosolvent, pressurized-liquid extraction (PLE), and ultrasound-assisted extraction (UAE) were employed to evaluate the extraction of vetiver (Chrysopogon zizanioides) oil in comparison with hydrodistillation and Soxhlet techniques....
Article
In this work, high-pressure H 2 S adsorption data in equilibrium and fixed bed conditions using NaY zeolite as adsorbent were determined. Adsorption and desorption isotherms for different temperatures and H 2 S partial pressures up to 1.2 bar were obtained experimentally and modelled with Tóth and Dubinin-Astakhov equations in order to give informa...
Article
Biosorption-based technologies have been proposed for the removal of radionuclides from radioactive liquid waste containing organic compounds. Nevertheless, phytoremediation potential of uranium (U) by nonliving aquatic macrophytes Lemna sp. and Pistia stratiotes has not been previously addressed. In this study, uranium biosorption capacity by Pist...