Listar BA. Grupos de Investigación por autor "3e8ce1897f5d9382bb88755e9ec9cb96"
Mostrando ítems 1-20 de 27
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Advanced Oxidation Processes and Biotechnological Alternatives for the Treatment of Tannery Wastewater
Urbina-Suarez, Nestor Andres; Machuca-Martinez, Fiderman; Barajas Solano, andres F (Molecules, 2021-05-27)The tannery industry is one of the economic sectors that contributes to the development of different countries. Globally, Europe and Asia are the main producers of this industry, although Latin America and Africa have been ... -
Analysis of the biodiesel production yield from waste frying oil
Urbina-Suarez, Nestor Andres; Acevedo, Astrid; Acevedo Paez, Juan Camilo; Arenas, Erika; Becerra, L. C. (Journal of Physics: Conference SeriesReino Unido, 2018-09)This research sought to produce biodiesel from waste frying oil (WFO) from chicken grills by using chemical transesterification to evaluate quality conditions and the yield of the biodiesel obtained. For this, acid ... -
Application of Chlorella sp. and Scenedesmus sp. in the Bioconversion of Urban Leachates into Industrially Relevant Metabolites
Ortiz Betancur, Jeimy J.; Herrera Ochoa, Marla S.; García Martínez, Janet B.; Urbina-Suarez, Nestor Andres; López Barrera, Germán L.; Barajas Solano, andres F; Bryan, Samantha; ZUORRO, Antonio (Applied SciencesSuiza, 2022-02-26): This paper explores the ability of Chlorella sp. and Scenedesmus sp. to convert landfill leachates into usable metabolites. Different concentrations (0.5, 1, 5, and 10% v/v) of leachate coupled with an inorganic carbon ... -
Astaxanthin production from Haematococcus pluvialis: effects of light wavelength and salinity
González-Delgado, Angel Darío; Barajas Solano, andres F; Torres, Luz Karime; SUAREZ GELVEZ, JOHN HERMOGENES; Urbina-Suarez, Nestor Andres (Contemporary Engineering SciencesBulgaria, 2017-12-28)Haematococcus pluvialis has attracted much global attention due to its ability to produce huge amounts of astaxanthin, a carotenoid pigment widely applied in pharmaceutical, cosmetic and food industries. In this work, ... -
Bicarbonate-Hydrogen Peroxide System for Treating Dyeing Wastewater: Degradation of Organic Pollutants and Color Removal
Urbina-Suarez, Nestor Andres; Rivera Caicedo, Christian; González-Delgado, Angel Darío; Barajas Solano, andres F; Machuca-Martínez, Fiderman (Toxics, 2023-04-11): The textile industry is a global economic driving force; however, it is also one of the most polluting industries, with highly toxic effluents which are complex to treat due to the recalcitrant nature of some compounds ... -
Caracterización Viscoelástica de Biopelículas Obtenidas a Base de Mezclas Binarias
Urbina-Suarez, Nestor Andres; GONZALEZ CUELLO, RAFAEL EMILIO; Morón Alcázar, Lena (Informacion TecnologicaChile, 2015-01-18)El objetivo de este trabajo fue caracterizar la viscoelasticidad dinámica lineal de biopelículas obtenidas con glicerol al 12 % (v/v), goma gelana (GG), concentrado de proteína de suero lácteo (CPS) y sus mezclas. Las ... -
Computer-aided environmental and exergy analyses of a large-scale production of chitosan microbeads modified with TiO2 nanoparticles
Meramo, Samir; Urbina-Suarez, Nestor Andres; González-Delgado, Angel Darío (Journal of Cleaner ProductionReino Unido, 2019-11-10)Chitosan is a biopolymer that has emerged as a useful material with applications in sectors such as medicine, food industry, water treatment systems, among others. This biomaterial is synthesized from shrimp exoskeleton, ... -
Cultivation of Chlorella sp. for biodiesel production using two farming wastewaters in eastern Colombia
Urbina-Suarez, Nestor Andres; Barajas Solano, andres F; García-Martinez, Janet; López Barrera, German Luciano; González-Delgado, Angel Darío (Journal of Water and Land DevelopmentPolonia, 2021-08-01)The production of biofuels using wastewater as a microalgae culture medium is a little explored technology, but with potential for success. In order to contribute to the knowledge of these technologies and their technical ... -
Development of a Selective Method for Metabolites Extraction from Microalgae Biomass
Barajas Solano, andres F; González-Delgado, Angel Darío; Urbina-Suarez, Nestor Andres; Barajas, Crisóstomo; Sanguino, Paola Andrea (Indian Journal of Science and TechnologyIndia, 2018-02)Background: The production of biofuel and high value products from microalgae exhibits difficulties that have been widely studied to develop viable, efficient and economic methods for recovering metabolites. Objectives: ... -
Different effect of nitrogen sources in autotrophic and mixotrophic culture of Scenedesmus spfor biomass and carotenoids production using acidic coal mine drainage effluents
Urbina-Suarez, Nestor Andres (Ingeniería Y CompetitividadCali, Colombia, 2021-10-30)In the present study, the conditions for an autotrophic and mixotrophic culture of Scenedesmus sp were established. Effluents from acidic coal mine drains were used to study biomass and carotenoid production, both under ... -
The Effect of LEDs on Biomass and Phycobiliproteins Production in Thermotolerant Oscillatoria sp.
Contreras Ropero, Jefferson Eduardo; Lidueñez Ballesteros, Valentina S.; Rodríguez Bohórquez, Angie D.; García-Martinez, Janet; Urbina-Suarez, Nestor Andres; López Barrera, German Luciano; Barajas Solano, andres F; Samantha J., Bryan; ZUORRO, Antonio (Applied Sciences (Switzerland), 2022-11-17)This study evaluates the role of different LED lights (white, blue/red), intensity (µmol m−2 s −1 ), and photoperiod in the production of biomass and phycocyanin-C, allophycocyanin and phycoerythrin (C-PC, APC, and PE ... -
The Effect of Temperature and Enzyme Concentration in the Transesterification Process of Synthetic Microalgae Oil
Rangel-Basto, Yeily Adriana; García, Ismael E.; SUAREZ GELVEZ, JOHN HERMOGENES; ZUORRO, Antonio; Barajas Solano, andres F; Urbina-Suarez, Nestor Andres (Chemical Engineering TransactionsItalia, 2018-05)Throughout the world, the fossil fuel has supplied around the 80% of the energetic requirements, in Colombia alone 95.1% of energetic demand is made by the transportation sector solely, supplied by oil, kerosene, gasoline ... -
The Effects of Wavelength and Salinity on Biomass Production from Haematococcus pluvialis
Torres, Luz Karime; González-Delgado, Angel Darío; Barajas Solano, andres F; Urbina-Suarez, Nestor Andres (Contemporary Engineering SciencesBulgaria, 2017-12-24)Currently, microalgae have emerged as promising source of high-value products due to its biomass productivity, high photosynthetic efficiency and non-competitive environment for growth. In this work, biomass production ... -
Enhanced UV/H2O2 System for the Oxidation of Organic Contaminants and Ammonia Transformation from Tannery Effluents
Urbina-Suarez, Nestor Andres; López Barrera, German Luciano; García-Martinez, Janet; Barajas Solano, andres F; Machuca-Martínez, Fiderman; ZUORRO, Antonio (Processes, 2023-10-27)In this work, a UV/H2O2 system in real tannery wastewater was evaluated by an experimental design with optimal stage 2-level I-optimal reaction surface using Design Expert software to analyze the effects of temperature, ... -
Enzymatic Transesterification of Waste Frying Oil from Local Restaurants in East Colombia Using a Combined Lipase System
Acevedo Paez, Juan Camilo; González-Delgado, Angel Darío; Urbina-Suarez, Nestor Andres; Rangel-Basto, Yeily Adriana; Ferreira, Mary (Applied SciencesSuiza, 2020-05-21)The search for innovation and biotechnological strategies in the biodiesel production chain have become a topic of interest for scientific community owing the importance of renewable energy sources. This work aimed to ... -
Evaluación de residuos de papa, yuca y naranja para la producción de etanol en cultivo discontinuo utilizando Saccharomyces cerevisiae
Urbina-Suarez, Nestor Andres; Muñoz Peñaloza, Yaneth Amparo; VELASCO, JOSMAN (Revista IONBucaramanga,Colombia, 2015-01-25)El presente trabajo de investigación tuvo como objetivo producir etanol utilizando un jarabe glucosado elaborado a partir de residuos de papa, naranja y yuca, por cultivo discontinuo como una alternativa para el manejo de ... -
Evaluation of the Light/Dark Cycle and Concentration of Tannery Wastewater in the Production of Biomass and Metabolites of Industrial Interest from Microalgae and Cyanobacteria
Urbina-Suarez, Nestor Andres; Ayala González, Darly D.; Rivera Amaya, Jennyfer D.; Barajas Solano, andres F; Machuca-Martinez, Fiderman (WaterSuiza, 2022-01-25)The tanning industry transforms animal skins into leather and produces liquid effluents with a high organic and inorganic pollutant load. This work evaluated the effect of the tannery wastewater (TWW) concentration and ... -
Lipids production from Scenedesmus obliquus through carbon/nitrogen ratio optimization
Barajas Solano, andres F; Urbina-Suarez, Nestor Andres; Rangel-Basto, Yeily Adriana; Cuéllar García, Diego J.; Muñoz Peñaloza, Yaneth A. (Journal of Physics: Conference Series, 2019)Microalgae are one of the most promising sources of raw material for biofuel production and derivatives since its high yield of biomass and metabolites possess a low environmental impact. However, its implementation on ... -
Multiparameter analysis of activated sludge inhibition by nickel, cadmium, and cobalt
Hernandez-Martinez, Gabriel R.; Ortiz, Daniela; Pérez, Michael E.; Urbina-Suarez, Nestor Andres; Thalasso, Frederic (Journal of Hazardous Materials, 2018-06-05)Activated sludge processes are often inhibited by nickel, cadmium, and cobalt. The inhibitory effect of these heavy metals on a synthetic wastewater treatment process was tested through pulse microrespirometry; i.e., pulse ... -
A Phytochemical Approach to the Removal of Contaminants from Industrial Dyeing Wastewater
Urbina-Suarez, Nestor Andres; Salcedo Pabón, Cristian Jesús; Contreras Ropero, Jefferson Eduardo; López Barrera, German Luciano; García-Martinez, Janet; Barajas Solano, andres F; Machuca-Martínez, Fiderman (ChemEngineering, 2023-09-28)This study investigates the influence of photoperiod and wastewater concentration on the growth of microalgae and cyanobacteria for the removal of environmentally significant parameters (COD, BOD, Cr, Fe, color, chlorides, ...