Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF
ilustraciones, fotografías, graficas
- Autores:
-
Martinez Ruiz, Diana Camila
- Tipo de recurso:
- Fecha de publicación:
- 2021
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/81364
- Palabra clave:
- 540 - Química y ciencias afines
Epoxidación de aceites vegetales
Estructuras metal-orgánicas
Complejos de dioxo-molibdeno(VI)
Vegetable oils epoxidation
Metal-organic frameworks
Dioxo-molybdenum(VI) complexes
Aceite vegetal
Química orgánica
Vegetable oils
Organic chemistry
- Rights
- openAccess
- License
- Atribución-SinDerivadas 4.0 Internacional
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| dc.title.spa.fl_str_mv |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| dc.title.translated.eng.fl_str_mv |
Soybean oil epoxidation catalyzed by dioxo-molybdenum (VI) centers incorporated in a metal-organic framework-MOF |
| title |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| spellingShingle |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF 540 - Química y ciencias afines Epoxidación de aceites vegetales Estructuras metal-orgánicas Complejos de dioxo-molibdeno(VI) Vegetable oils epoxidation Metal-organic frameworks Dioxo-molybdenum(VI) complexes Aceite vegetal Química orgánica Vegetable oils Organic chemistry |
| title_short |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| title_full |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| title_fullStr |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| title_full_unstemmed |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| title_sort |
Reacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOF |
| dc.creator.fl_str_mv |
Martinez Ruiz, Diana Camila |
| dc.contributor.advisor.none.fl_str_mv |
Catellanos Marquez, Nelson Jair |
| dc.contributor.author.none.fl_str_mv |
Martinez Ruiz, Diana Camila |
| dc.contributor.researchgroup.spa.fl_str_mv |
Estado Sólido y Catálisis Ambiental |
| dc.subject.ddc.spa.fl_str_mv |
540 - Química y ciencias afines |
| topic |
540 - Química y ciencias afines Epoxidación de aceites vegetales Estructuras metal-orgánicas Complejos de dioxo-molibdeno(VI) Vegetable oils epoxidation Metal-organic frameworks Dioxo-molybdenum(VI) complexes Aceite vegetal Química orgánica Vegetable oils Organic chemistry |
| dc.subject.proposal.spa.fl_str_mv |
Epoxidación de aceites vegetales Estructuras metal-orgánicas Complejos de dioxo-molibdeno(VI) |
| dc.subject.proposal.eng.fl_str_mv |
Vegetable oils epoxidation Metal-organic frameworks Dioxo-molybdenum(VI) complexes |
| dc.subject.unesco.spa.fl_str_mv |
Aceite vegetal Química orgánica |
| dc.subject.unesco.eng.fl_str_mv |
Vegetable oils Organic chemistry |
| description |
ilustraciones, fotografías, graficas |
| publishDate |
2021 |
| dc.date.issued.none.fl_str_mv |
2021 |
| dc.date.accessioned.none.fl_str_mv |
2022-03-24T17:04:45Z |
| dc.date.available.none.fl_str_mv |
2022-03-24T17:04:45Z |
| dc.type.spa.fl_str_mv |
Trabajo de grado - Maestría |
| dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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info:eu-repo/semantics/acceptedVersion |
| dc.type.content.spa.fl_str_mv |
Text |
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http://purl.org/redcol/resource_type/TM |
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acceptedVersion |
| dc.identifier.uri.none.fl_str_mv |
https://repositorio.unal.edu.co/handle/unal/81364 |
| dc.identifier.instname.spa.fl_str_mv |
Universidad Nacional de Colombia |
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Repositorio Institucional Universidad Nacional de Colombia |
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https://repositorio.unal.edu.co/ |
| url |
https://repositorio.unal.edu.co/handle/unal/81364 https://repositorio.unal.edu.co/ |
| identifier_str_mv |
Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia |
| dc.language.iso.spa.fl_str_mv |
spa |
| language |
spa |
| dc.relation.references.spa.fl_str_mv |
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Atribución-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Catellanos Marquez, Nelson Jair8f988f5393f04fcb78acbf4bb7783224Martinez Ruiz, Diana Camilad16b10cd1bf39720fe0715a424e39338Estado Sólido y Catálisis Ambiental2022-03-24T17:04:45Z2022-03-24T17:04:45Z2021https://repositorio.unal.edu.co/handle/unal/81364Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, fotografías, graficasLos aceites vegetales representan una de las fuentes renovables más prometedoras para la industria química debido a su disponibilidad mundial, bajo costo y funcionalidad incorporada en su estructura química para obtener compuestos de interés comercial como los epóxidos. En esta tesis de maestría, se evaluó una estructura organometálica de galio funcionalizada con centros activos de dioxo-molibdeno(VI) como catalizador en la epoxidación de aceite de soja empleando ter-butil-hidroperoxido como agente oxidante. Se estudió la influencia del tiempo de reacción, la temperatura y la concentración del agente oxidante y se demostró que la mayor selectividad de epóxido se obtuvo a 110 °C después de 4 horas de reacción (29% de conversión y 91% de selectividad) empleando una relación molar 200:100:1 (ter-butil-hidroperoxido: dobles enlaces: catalizador). La estabilidad de la estructura del catalizador después del proceso catalítico fue confirmada por espectroscopía infrarroja, difracción de rayos X en polvo, termogravimetría, microscopía SEM y espectroscopía EDS. Asimismo, los test de estabilidad demostraron que la actividad de la estructura metal-orgánica MoO2Cl2@COMOC-4 es conservada durante dos ciclos de uso en el proceso de valorización de aceites vegetales, con una disminución de su actividad en un tercer ciclo catalítico. (Texto tomado de la fuente)Vegetable oils represent one of the most promising renewable sources for the chemical industry due to their worldwide availability, low cost, and built-in functionality in their chemical structure to obtain commercially interesting compounds such as epoxides. In this work, a functionalized gallium metal-organic framework with active dioxo-molybdenum(VI) centers was evaluated as a catalyst in the epoxidation of soybean oil using ter-butyl-hydroperoxide as an oxidizing agent. The influence of the reaction time, temperature, and concentration of the oxidizing agent was studied and demonstrated that the highest epoxide selectivity was obtained at 110 °C after 4 hours of reaction (29% conversion and 91% selectivity) using a molar ratio 200:100:1 (ter-butyl-hydroperoxide: double bonds:catalyst). The stability of the metal-organic framework was confirmed by infrared spectroscopy, X-ray powder diffraction analysis, thermogravimetric analysis, SEM microscopy, and EDS spectroscopy analysis. The stability tests demonstrated that the catalyst could be reused for at least two cycles in the catalytic process for the recovery of vegetable oils with decreasing its activity in a third catalytic cycle.MaestríaMagíster en Ciencias - QuímicaCatálisis heterogénea ambiental, con énfasis en catálisis acida, oxidación y reformadoxix, 74 páginasapplication/pdfspaUniversidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - QuímicaDepartamento de QuímicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá540 - Química y ciencias afinesEpoxidación de aceites vegetalesEstructuras metal-orgánicasComplejos de dioxo-molibdeno(VI)Vegetable oils epoxidationMetal-organic frameworksDioxo-molybdenum(VI) complexesAceite vegetalQuímica orgánicaVegetable oilsOrganic chemistryReacciones de epoxidación de aceite de soja catalizadas por un sólido de dioxomolibdeno (VI) tipo MOFSoybean oil epoxidation catalyzed by dioxo-molybdenum (VI) centers incorporated in a metal-organic framework-MOFTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMM.A.R. 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Lindley, The impact of food processing on antioxidants in vegetable oils , fruits and vegetables, 9 (1998) 336–340.EstudiantesInvestigadoresMaestrosORIGINAL1012403105.2021.pdf1012403105.2021.pdfTesis de Maestría en Ciencias - Químicaapplication/pdf6189466https://repositorio.unal.edu.co/bitstream/unal/81364/3/1012403105.2021.pdf60148c833e650be4572b522c263943a3MD53LICENSElicense.txtlicense.txttext/plain; charset=utf-84074https://repositorio.unal.edu.co/bitstream/unal/81364/4/license.txt8153f7789df02f0a4c9e079953658ab2MD54THUMBNAIL1012403105.2021.pdf.jpg1012403105.2021.pdf.jpgGenerated Thumbnailimage/jpeg4401https://repositorio.unal.edu.co/bitstream/unal/81364/5/1012403105.2021.pdf.jpg68145f0455bbb05494fc1b9d3c68c120MD55unal/81364oai:repositorio.unal.edu.co:unal/813642024-08-05 23:10:12.573Repositorio Institucional Universidad Nacional de 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