Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification

ilustraciones, diagramas, fotografías, tablas

Autores:: Zabala Vásquez, Milena Alexandra

Tipo de recurso:

Fecha de publicación:: 2024

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: eng

id	UNACIONAL2_d17293071e66c4146e2b5d6df4044b08
oai_identifier_str	oai:repositorio.unal.edu.co:unal/86374
network_acronym_str	UNACIONAL2
network_name_str	Universidad Nacional de Colombia
repository_id_str
dc.title.eng.fl_str_mv	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
dc.title.translated.spa.fl_str_mv	Desarrollo de un material tipo Starbon® a partir de almidón de origen colombiano para su uso como catalizador en esterificación de ácidos grasos
title	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
spellingShingle	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification 540 - Química y ciencias afines::541 - Química física 660 - Ingeniería química::664 - Tecnología de alimentos Mesoporous materials Catalysts Starch Tubers Materiales mesoporosos Catalizadores Almidón Tubérculos Carbon Catalyst Cassava starch Esterification Mesoporous Porosity Starbon Carbón Catalizador Almidón de yuca Esterificación Mesoporoso Porosidad Starbon
title_short	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
title_full	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
title_fullStr	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
title_full_unstemmed	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
title_sort	Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification
dc.creator.fl_str_mv	Zabala Vásquez, Milena Alexandra
dc.contributor.advisor.none.fl_str_mv	Orjuela Londoño, Alvaro
dc.contributor.author.none.fl_str_mv	Zabala Vásquez, Milena Alexandra
dc.contributor.researchgroup.spa.fl_str_mv	Grupo de Investigación en Procesos Químicos y Bioquímicos
dc.subject.ddc.spa.fl_str_mv	540 - Química y ciencias afines::541 - Química física 660 - Ingeniería química::664 - Tecnología de alimentos
topic	540 - Química y ciencias afines::541 - Química física 660 - Ingeniería química::664 - Tecnología de alimentos Mesoporous materials Catalysts Starch Tubers Materiales mesoporosos Catalizadores Almidón Tubérculos Carbon Catalyst Cassava starch Esterification Mesoporous Porosity Starbon Carbón Catalizador Almidón de yuca Esterificación Mesoporoso Porosidad Starbon
dc.subject.lcc.eng.fl_str_mv	Mesoporous materials Catalysts Starch Tubers
dc.subject.lcc.spa.fl_str_mv	Materiales mesoporosos Catalizadores Almidón Tubérculos
dc.subject.proposal.eng.fl_str_mv	Carbon Catalyst Cassava starch Esterification Mesoporous Porosity Starbon
dc.subject.proposal.spa.fl_str_mv	Carbón Catalizador Almidón de yuca Esterificación Mesoporoso Porosidad Starbon
description	ilustraciones, diagramas, fotografías, tablas
publishDate	2024
dc.date.accessioned.none.fl_str_mv	2024-07-03T15:57:56Z
dc.date.available.none.fl_str_mv	2024-07-03T15:57:56Z
dc.date.issued.none.fl_str_mv	2024
dc.type.spa.fl_str_mv	Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv	info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv	info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv	Text
dc.type.redcol.spa.fl_str_mv	http://purl.org/redcol/resource_type/TM
status_str	acceptedVersion
dc.identifier.uri.none.fl_str_mv	https://repositorio.unal.edu.co/handle/unal/86374
dc.identifier.instname.spa.fl_str_mv	Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv	Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv	https://repositorio.unal.edu.co/
url	https://repositorio.unal.edu.co/handle/unal/86374 https://repositorio.unal.edu.co/
identifier_str_mv	Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.eng.fl_str_mv	eng
language	eng
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dc.format.extent.spa.fl_str_mv	xxi, 116 páginas
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dc.coverage.country.none.fl_str_mv	Colombia
dc.publisher.spa.fl_str_mv	Universidad Nacional de Colombia
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dc.publisher.faculty.spa.fl_str_mv	Facultad de Ingeniería
dc.publisher.place.spa.fl_str_mv	Bogotá, Colombia
dc.publisher.branch.spa.fl_str_mv	Universidad Nacional de Colombia - Sede Bogotá
institution	Universidad Nacional de Colombia
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spelling	Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Orjuela Londoño, Alvaroa583c5015d0fe88a7d62aa2891228b13Zabala Vásquez, Milena Alexandrafff3a4f2474376c18a4fcea92e4d5ab3Grupo de Investigación en Procesos Químicos y Bioquímicos2024-07-03T15:57:56Z2024-07-03T15:57:56Z2024https://repositorio.unal.edu.co/handle/unal/86374Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramas, fotografías, tablasMesoporous materials are attractive supporting structures for heterogeneous catalysis as they facilitate access and mobility of large molecules, thus improving yields in a variety of chemical reactions. Among different materials, Starbon® materials are mesoporous carbons which can be advantageously synthesized from biobased sources, be further acid-activated to be used as catalysts in esterification reactions. Conventionally, Starbons® are produced using a high-amylose-content starch, which guarantees a high mesopore volume due to the arrangement of amylose molecules during the synthesis process. Looking for the valorisation of waste streams and low-cost raw materials, the use of starch derived from common roots and tubers needs to be studied. According to Colombian National Planning Department, nearly 5 Mton of roots and tubers are produced in the country, nevertheless, nearly 30% are discarded during production stages as they do not meet quality standards. In this regard, this work focused on understanding and optimizing the surface properties of Starbon® materials derived from cassava starch for its subsequent use as catalyst in long-chain esterification reactions. The synthesis of Starbon materials involves gelatinization, retrogradation, solvent exchange and carbonization steps, which conditions were assessed, firstly by an exploratory analysis, and subsequently by a Factorial 32 and Box-Behnken experimental designs, taking surface area, pore volume and pore size as response variables. A method for the synthesis of cassava-derived Starbon was proposed. The obtained cassava-Starbon exhibited a surface area of 263 m2/g, with a mean pore diameter of 3.7 nm and a pore volume of 0.2cm3/g. Subsequently, the material was sulfonated and tested in the batch esterification of stearic acid with isopropyl alcohol, considering the growing market in fatty acid esters industry. Cassava-Starbon catalyst enabled slightly higher conversion and higher turn-over number (0.15 mol/s H+Eq) compared to widely used ion exchange resins.En la catálisis heterogénea, materiales mesoporosos son soportes atractivos al facilitan el acceso y la movilidad de moléculas de gran tamaño, mejorando así los rendimientos en diversas reacciones. Entre diferentes materiales, los materiales Starbon® son carbones mesoporosos que pueden sintetizarse ventajosamente a partir de fuentes biobasadas, y luego activarse con ácido para utilizarse como catalizadores en reacciones de esterificación. Convencionalmente, los Starbons® se producen utilizando almidón con alto contenido de amilosa, lo que garantiza un alto volumen de mesoporos debido a la disposición de las moléculas de amilosa durante el proceso de síntesis. En busca de la valorización de corrientes de residuales, es de interés estudiar el uso de almidón derivado de raíces y tubérculos comunes en la síntesis de estos materiales. Según el Departamento Nacional de Planeación de Colombia, se producen casi 5 millones de toneladas de raíces y tubérculos en el país, sin embargo, cerca del 30% se descartan durante las etapas de producción por no cumplir con los estándares de calidad. En este sentido, este trabajo se centró en comprender y optimizar las propiedades superficiales de los materiales Starbon® derivados del almidón de yuca para su uso posterior como catalizador en reacciones de esterificación de cadenas largas. La síntesis de los materiales Starbon implica gelatinización, retrogradación, intercambio de solventes y carbonización de los almidones. Estas condiciones fueron evaluadas para la síntesis empleando almidón de yuca, primero mediante un análisis exploratorio y luego mediante un diseño Factorial 32 y Box-Behnken, tomando la superficie, el volumen de poros y el tamaño de poros como variables de respuesta. De esta manera, fue posible proponer un método para la síntesis de Starbon derivado de yuca. El Starbon de yuca obtenido mostró una superficie de 263 m2/g, con un diámetro de poro promedio de 3.7 nm y un volumen de poro de 0.2cm3 /g. Este material fue sulfonado y probado en la esterificación batch de ácido esteárico con alcohol isopropílico, considerando el creciente mercado en la industria de ésteres de ácidos grasos. El catalizador Starbon de yuca permitió una conversión ligeramente superior y un TOF más Resumen and abstract XI alto (0.15 mol/s H+Eq) en comparación con las resinas de intercambio iónico ampliamente utilizadas (Texto tomado de la fuente).MaestríaMagíster en Ingeniería - Ingeniería QuímicaProcesos catalíticos y petroquímicosxxi, 116 páginasapplication/pdfengUniversidad Nacional de ColombiaBogotá - Ingeniería - Maestría en Ingeniería - Ingeniería QuímicaFacultad de IngenieríaBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá540 - Química y ciencias afines::541 - Química física660 - Ingeniería química::664 - Tecnología de alimentosMesoporous materialsCatalystsStarchTubersMateriales mesoporososCatalizadoresAlmidónTubérculosCarbonCatalystCassava starchEsterificationMesoporousPorosityStarbonCarbónCatalizadorAlmidón de yucaEsterificaciónMesoporosoPorosidadStarbonDevelopment of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterificationDesarrollo de un material tipo Starbon® a partir de almidón de origen colombiano para su uso como catalizador en esterificación de ácidos grasosTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMColombiaAldana, A., Lartundo, L., Gómez, R., & Niño, M. 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Green Chemistry, 9(5), 434– 443. https://doi.org/10.1039/b615447fEstudiantesInvestigadoresMaestrosPúblico generalLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/86374/1/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD51ORIGINAL1032494539.2024.pdf1032494539.2024.pdfTesis de Maestría en Ingeniería - Químicaapplication/pdf5466220https://repositorio.unal.edu.co/bitstream/unal/86374/2/1032494539.2024.pdf624a82f4c75610ecd8d2aff3de9268b6MD52THUMBNAIL1032494539.2024.pdf.jpg1032494539.2024.pdf.jpgGenerated Thumbnailimage/jpeg5618https://repositorio.unal.edu.co/bitstream/unal/86374/3/1032494539.2024.pdf.jpgbb2662f521eef3bd606d9b202a041c74MD53unal/86374oai:repositorio.unal.edu.co:unal/863742024-07-04 08:01:40.184Repositorio Institucional Universidad Nacional de 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Development of a Colombian starch based Starbon® type material for its use as catalyst in fatty acid esterification

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