Alberto Ricardo Albis Arrieta
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View article: Development of a low-cost electrospinning system with a bidirectional collector for uniform nanofibrous membranes
Development of a low-cost electrospinning system with a bidirectional collector for uniform nanofibrous membranes Open
The electrospinning process is a widely used technique for the fabrication of membranes with nanometric fibers, employing polymeric materials such as polyvinylidene fluoride and polycaprolactone. The shape of the fiber collector, whether s…
View article: Influencia de los parámetros operacionales en la pirólisis de biomasa con reactores Auger
Influencia de los parámetros operacionales en la pirólisis de biomasa con reactores Auger Open
Objetivo: Revisar los últimos avances en el uso de reactores Auger en la pirólisis de diferentes tipos de biomasa, la influencia de los parámetros de operación en la obtención de los productos de pirólisis deseados y algunas técnicas de ca…
View article: University-Industry-Government Integration in the Development of Sustainable and Cost-Efficient Solutions for the Shrimp Sector in Colombia: Nutriaqua Case
University-Industry-Government Integration in the Development of Sustainable and Cost-Efficient Solutions for the Shrimp Sector in Colombia: Nutriaqua Case Open
This paper presents a case study, and lessons learned that illustrates the development of a cost-efficient and sustainable solution for shrimp farming sector in Colombia, using the model of Technology Readiness Level with stages from 1 to …
View article: Acuicultura familiar, una alternativa para el desarrollo rural en Colombia
Acuicultura familiar, una alternativa para el desarrollo rural en Colombia Open
RESUMEN | Este manuscrito resalta la importancia de la acuicultura familiar como un modelo sostenible que contribuye a la seguridad alimentaria y al desarrollo rural. La acuicultura familiar ha sido un eje central en políticas de desarroll…
View article: Lyophilized Polyvinyl Alcohol and Chitosan Scaffolds Pre-Loaded with Silicon Dioxide Nanoparticles for Tissue Regeneration
Lyophilized Polyvinyl Alcohol and Chitosan Scaffolds Pre-Loaded with Silicon Dioxide Nanoparticles for Tissue Regeneration Open
Materials with a soft tissue regenerative capacity can be produced using biopolymer scaffolds and nanomaterials, which allow injured tissue to recover without any side effects or limitations. Four formulations were prepared using polyvinyl…
View article: The effect of ZnSO4 and Fe2(SO4)3 on the pyrolysis of cocoa shells: A tg-FTIR study
The effect of ZnSO4 and Fe2(SO4)3 on the pyrolysis of cocoa shells: A tg-FTIR study Open
Pyrolysis stands out as one potential route for valorizing abundant agro-industrial cocoa residues. However, the products of this reaction, particularly bio-oil, do not possess the required quality for direct use in many applications. Thus…
View article: Dibenzothiophene Hydrodesulfurization Performance Over Hierarchically Porous NiMoS(Si,Zr)/Al<sub>2</sub>O<sub>3</sub> Catalysts
Dibenzothiophene Hydrodesulfurization Performance Over Hierarchically Porous NiMoS(Si,Zr)/Al<sub>2</sub>O<sub>3</sub> Catalysts Open
The effects of the synthesis method, dopant nature, and porosity on the dibenzothiophene hydrodesulfurization performance of hierarchically porous NiMoS(Si,Zr)/Al2O3 catalysts were studied. Si and Zr incorporation was carried out using gra…
View article: Biological activity of lyophilized chitosan scaffolds with inclusion of chitosan and zinc oxide nanoparticles
Biological activity of lyophilized chitosan scaffolds with inclusion of chitosan and zinc oxide nanoparticles Open
Zinc oxide and chitosan nanoparticles were incorporated into scaffolds by lyophilization. The scaffolds exhibit antibacterial activity and biocompatibility under in vivo subdermal implantations, exhibiting potential for biomedical applicat…
View article: Camaronicultura en Colombia, estado actual, retos y oportunidades
Camaronicultura en Colombia, estado actual, retos y oportunidades Open
La producción de camarón en Colombia marcó un hito muy importante en la acuicultura del país en la década de los 90 y principios del 2000, llegando a aportar a la economía del país alrededor de USD$51.000.000. Sin embargo, varios aspectos …
View article: Camaronicultura en Colombia, estado actual, retos y oportunidades
Camaronicultura en Colombia, estado actual, retos y oportunidades Open
RESUMEN | La producción de camarón en Colombia marcó un hito muy importante en la acuicultura del país en la década de los 90 y principios del 2000, llegando a aportar a la economía del país alrededor de USD$51.000.000. Sin embargo, varios…
View article: A Comprehensive Comparative Analysis of Energetic and Exergetic Performance of Different Solar-Based Organic Rankine Cycles
A Comprehensive Comparative Analysis of Energetic and Exergetic Performance of Different Solar-Based Organic Rankine Cycles Open
In this work, a comprehensive energetic and exergetic comparative assessment is presented for the simple solar organic Rankine cycle (SORC), regenerative solar organic Rankine cycle (RORC), and dual-loop solar organic Rankine cycle (DORC),…
View article: Evaluation of the methanogenic potential of anaerobic digestion of agro-industrial wastes
Evaluation of the methanogenic potential of anaerobic digestion of agro-industrial wastes Open
Waste management technologies have become a way to generate value-added products. Anaerobic digestion (AD) allows biogas generation by treating organic wastes. In this work, the methanogenic potentials of anaerobic digestion of rumen and c…
View article: The Effect of ZnSO<sub>4</sub> and Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> on the Pyrolysis of Cocoa Shells: A TG-FTIR Study
The Effect of ZnSO<sub>4</sub> and Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> on the Pyrolysis of Cocoa Shells: A TG-FTIR Study Open
View article: Gold recovery in aqueous medium by cassava peels (Manihot esculenta) modified with citric acid
Gold recovery in aqueous medium by cassava peels (Manihot esculenta) modified with citric acid Open
Objective: to evaluate the performance of cassava peels modified with citric acid to recover the gold dissolved in synthetic solutions with concentrations similar to those found in the final processes of the gold production plants. Methodo…
View article: Evaluation of the Zinc Sulfate Catalytic Effect in Empty Fruit Bunches Pyrolysis
Evaluation of the Zinc Sulfate Catalytic Effect in Empty Fruit Bunches Pyrolysis Open
The effect of zinc sulfate as a catalyst on the pyrolysis of empty fruit bunches (EFB) from oil palm was assessed. Thus, a thermo-gravimetric analyzer coupled with a Fourier transform infrared spectroscopy (TG-FTIR) was used, while the per…
View article: Devolatilization of African Palm (Elaeis guineensis) Husk Catalyzed by Ferrous Sulfate Studied by TG-MS
Devolatilization of African Palm (Elaeis guineensis) Husk Catalyzed by Ferrous Sulfate Studied by TG-MS Open
By means of a thermogravimetric analysis coupled with mass spectroscopy, the catalytic effect of ferrous sulfate on the pyrolysis of African Palm husk (APH) was studied. Thermogravimetric data were adjusted to the distributed activation en…
View article: Assessment of the antimicrobial effect of silver nanoparticles synthesized from <i>Coriandrum sativum</i>
Assessment of the antimicrobial effect of silver nanoparticles synthesized from <i>Coriandrum sativum</i> Open
In this study the antimicrobial effect of silver nanoparticles (AgNPs) synthesized from Coriandrum sativum (C. sativum) leaf extract was evaluated by varying the incubation temperature from 25 °C to 40 °C, for 24 h of exposure. AgNPs were …
View article: Remoción de colorantes azul brillante y violeta de metilo de soluciones acuosas utilizando cáscara de yuca (Manihot esculenta) modificada con ácido fosfórico
Remoción de colorantes azul brillante y violeta de metilo de soluciones acuosas utilizando cáscara de yuca (Manihot esculenta) modificada con ácido fosfórico Open
En este trabajo se evaluó la capacidad de la cáscara de yuca modificada con ácido fosfórico para remover violeta de metilo y azul brillante de soluciones acuosas. Se determinaron las mejores condiciones de temperatura (127 °C) y relación b…
View article: Effect of vulcanization and reaction temperature of the carbide supported on activated carbon on glycerol trioleate deoxygenation
Effect of vulcanization and reaction temperature of the carbide supported on activated carbon on glycerol trioleate deoxygenation Open
Cobalt molybdenum carbide supported on activated carbon was synthesized and the effect of sulfiding on the catalytic activity of the glycerol trioleate deoxygenation process (DOX) was evaluated. Prior to the glycerol trioleate deoxygenatio…
View article: Catalytic effect of ferric sulfate and zinc sulfate on lignin pyrolysis
Catalytic effect of ferric sulfate and zinc sulfate on lignin pyrolysis Open
The effect of zinc sulfate and ferric sulfate on the pyrolysis process of lignin was studied at three different heating rates by using the thermogravimetric analysis technique. It was found that the pyrolysis of pure lignin is barely affec…
View article: Biosynthesis of silver nanoparticles with Chlorella sp.
Biosynthesis of silver nanoparticles with Chlorella sp. Open
This work shows the results of the biosynthesis of silver nanoparticles using the microalga Chlorella sp, using growth media with different concentrations of glycerol, between 5%–20%, and different light and temperature conditions. The syn…
View article: Biosíntesis de nanopartículas de plata con Chlorella sp.
Biosíntesis de nanopartículas de plata con Chlorella sp. Open
En este trabajo se muestran los resultados de la biosíntesis de nanopartículas de plata mediante el uso de la microalga Chlorella sp, utilizando medios de crecimiento con diferentes concentraciones de glicerol, entre el 5% - 20%, y diferen…
View article: Comparative study of the reaction kinetics of three residual biomasses
Comparative study of the reaction kinetics of three residual biomasses Open
Kinetic analysis for the combustion of three agro-industrial biomass residues (coconut husk, corn husk, and rice husk) was carried out in order to provide information for the generation of energy from them. The analysis was performed using…
View article: Efecto catalítico del Na2CO3 sobre la pirólisis de los residuos del sorgo (Sorghum bicolor L. Moench)
Efecto catalítico del Na2CO3 sobre la pirólisis de los residuos del sorgo (Sorghum bicolor L. Moench) Open
espanolEn el presente estudio se evaluo el efecto catalitico del Na2CO3 sobre la pirolisis de las hojas y tallos de sorgo en el rango de temperaturas de 20 a 800 °C a tres velocidades de calentamiento usando el analisis termogravimetrico a…
View article: Modeling and experiments on a finned cylindrical reactor with expanded graphite/activated carbon/lithium chloride-ammonia for chemisorption refrigeration systems
Modeling and experiments on a finned cylindrical reactor with expanded graphite/activated carbon/lithium chloride-ammonia for chemisorption refrigeration systems Open
View article: Efecto de la sulfuración y la temperatura de reacción de carburo de como soportados sobre carbón activado en la desoxigenación de trioleato de glicerol
Efecto de la sulfuración y la temperatura de reacción de carburo de como soportados sobre carbón activado en la desoxigenación de trioleato de glicerol Open
espanolSe sintetizo carburo de cobalto molibdeno soportado sobre carbon activado y se evaluo el efecto de la sulfuracion en la actividad catalitica del proceso de desoxigenacion de trioleato de glicerol. Previo a las reacciones de desoxige…
View article: A LOOK TO THE BIOGAS GENERATION FROM ORGANIC WASTES IN COLOMBIA
A LOOK TO THE BIOGAS GENERATION FROM ORGANIC WASTES IN COLOMBIA Open
In line with the goals of the Paris Agreement and the guidelines of Conpes 3874 of 2016, Colombia has adopted different strategies to optimize the use of biomass as an energy source and the management of materials in urban centers, establi…
View article: Assessment of Chitosan-Rue (Ruta graveolens L.) Essential Oil-Based Coatings on Refrigerated Cape Gooseberry (Physalis peruviana L.) Quality
Assessment of Chitosan-Rue (Ruta graveolens L.) Essential Oil-Based Coatings on Refrigerated Cape Gooseberry (Physalis peruviana L.) Quality Open
Cape gooseberry (Physalis peruviana L.) is one of the main exotic fruits in demand throughout the world market. However, this fruit has problems with physical and microbial decay causing losses up to thirty percent during post-harvest stag…
View article: Evaluación de la desmineralización química de semiantracitas provenientes de minas ubicadas en Boyacá y Santander (Colombia)
Evaluación de la desmineralización química de semiantracitas provenientes de minas ubicadas en Boyacá y Santander (Colombia) Open
Introducción− El uso no energético de carbones de alto rango (antracitas) tiene un gran potencial en industrias tales como la metalurgia y en la síntesis de nuevos materiales carbonosos. Sin embargo, antes de su uso en estas aplicaciones, …
View article: Remoción de Mercurio (II) en solución acuosa usando residuo industrial de yuca (Manihot esculenta)
Remoción de Mercurio (II) en solución acuosa usando residuo industrial de yuca (Manihot esculenta) Open
Se estudió la remoción de mercurio (II) en solución acuosa usando residuo industrial de yuca teniendo en cuenta variables como el pH y la concentración inicial del metal. El material adsorbente fue pretratado y caracterizado. Se determinó …