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Producción de furfural y ácido levulínico a partir de pasto Camerún morado (Pennisetum purpureum cv. morado) utilizando un catalizador de estaño soportado en un carbón activado sulfonado mediante un proceso de dos pasos
dc.contributor.advisor | Piñeros Castro, Yineth | |
dc.contributor.advisor | Conde Rivera, Laura | |
dc.coverage.spatial | Colombia | spa |
dc.creator | Ortiz Cabrera Iván Alexander | |
dc.date.accessioned | 2021-08-09T19:20:52Z | |
dc.date.available | 2021-08-09T19:20:52Z | |
dc.date.created | 2021 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12010/20875 | |
dc.description.abstract | El furfural y ácido levulínico (AL) son compuestos derivados de biomasa de alto interés para la industria ya que permite la obtención de múltiples productos. En este trabajo se evaluó su obtención en un proceso de dos etapas empleando un catalizador de estaño soportado en un carbón activado sulfonado (CA-S-Sn) a base de cascarilla de cacao en un sistema bifásico. El catalizador se caracterizó mediante análisis próximo, isoterma de adsorción de N2 a 77K, FTIR y Py-FTIR; presentó una estructura microporosa y una relación de sitios ácidos de Brønsted y Lewis de 0,057. En la primera etapa, se evaluaron las condiciones de temperatura y tiempo obteniendo un rendimiento de furfural de 23,28% a 170 °C por 3 h. En la segunda etapa, se evaluó el efecto de la temperatura y tiempo del proceso sobre el rendimiento y gasto energético de la producción de AL utilizando la metodología de superficie de respuesta; se obtuvo un rendimiento de AL de 28,25 % con un gasto energético de 0,12 kWh/gAL a 180,39 °C por 1,83 h. Estos resultados demuestran la posibilidad de obtener furfural y AL en un proceso de dos etapas a partir del pasto Camerún morado. | spa |
dc.format.extent | 24 páginas | spa |
dc.format.mimetype | application/pdf | spa |
dc.language.iso | spa | spa |
dc.publisher | Universidad de Bogotá Jorge Tadeo Lozano | spa |
dc.source | instname:Universidad de Bogotá Jorge Tadeo Lozano | spa |
dc.source | reponame:Expeditio Repositorio Institucional UJTL | spa |
dc.subject | Sistemas indutriales | spa |
dc.title | Producción de furfural y ácido levulínico a partir de pasto Camerún morado (Pennisetum purpureum cv. morado) utilizando un catalizador de estaño soportado en un carbón activado sulfonado mediante un proceso de dos pasos | spa |
dc.type.local | Trabajo de grado de maestría | spa |
dc.subject.lemb | Procesos de manufactura -- Tesis y disertaciones académicas | spa |
dc.subject.lemb | Control de procesos industriales -- Tesis y disertaciones académicas | spa |
dc.subject.lemb | Pastos -- Investigaciones -- Tesis y disertaciones académicas | spa |
dc.rights.accessrights | info:eu-repo/semantics/embargoedAccess | spa |
dc.type.hasversion | info:eu-repo/semantics/acceptedVersion | spa |
dc.rights.local | Acceso restringido | spa |
dc.identifier.repourl | http://expeditio.utadeo.edu.co | spa |
dc.creator.degree | Magister(es) en ingeniería de procesos y sistemas industriales | spa |
dc.publisher.program | Maestría en ingeniería de procesos y sistemas industriales | spa |
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dc.description.hashtag | #ProcesosIndustriales | spa |
dc.format.rda | 1 recurso en línea (archivo de texto) | spa |
dc.description.rda | Requerimientos de sistema: Adobe Acrobat Reader | spa |
dc.description.abstractenglish | Furfural and levulinic acid (LA) are biomass-derived compounds of high interest for the industry since they allow obtaining multiple products. In this work, their production was evaluated in a two-step process using a tin catalyst supported on a sulfonated activated carbon (CA-S-Sn) based on cocoa husk in a two-phase system. The catalyst was characterized by proximate analysis, SEM-EDS, N2 adsorption isotherm at 77K, FTIR and Py-FTIR; it presented a microporous structure and a Brønsted and Lewis acid site ratio of 0,057. In the first stage, the temperature and time conditions were evaluated obtaining a furfural yield of 23,28% at 170 °C for 3 h. In the second stage, the effect of process temperature and time on the yield and energy expenditure of AL production was evaluated using the response surface methodology; an AL yield of 28,25 % was obtained with an energy expenditure of 0,12 kWh/gAL at 180,39 °C for 1,83 h. These results demonstrate the possibility of obtaining furfural and AL in a two-step process from purple Cameroon grass. | spa |
dc.publisher.faculty | Facultad de Ciencias Naturales e Ingeniería | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |