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dc.contributor.author
Balsamo, Nancy Florentina
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Sapag, Manuel Karim
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Oliva, Marcos Iván
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Pecchi Sanchez, Gina Angela
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Eimer, Griselda Alejandra
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Crivello, Mónica Elsie
dc.date.available
2018-01-02T16:30:36Z
dc.date.issued
2017-01
dc.identifier.citation
Crivello, Mónica Elsie; Eimer, Griselda Alejandra; Pecchi Sanchez, Gina Angela; Oliva, Marcos Iván; Sapag, Manuel Karim; Balsamo, Nancy Florentina; et al.; Mixed oxides tuned with alkaline metals to improve glycerolysis for sustainable biodiesel production; Elsevier Science; Catalysis Today; 279; 1-2017; 209-216
dc.identifier.issn
0920-5861
dc.identifier.uri
http://hdl.handle.net/11336/31982
dc.description.abstract
In this study, monoglycerides were produced as glycerol value-added products via transesterification reaction of methyl stearate. This green and selective process involved catalysis from hydrotalcite-like compounds with different metals incorporated (Li, K or Cs) to improve their basic properties. Layered double hydroxides were obtained by two different methods and activated by calcination. All samples were examined by X-ray diffraction, specific surface area determined by the BET method, temperature-programmed desorption of CO2 and infrared absorption spectroscopy with Fourier transform for basic sites measurement. Metal content was determined by inductively coupled plasma optical emission spectroscopy, energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The hydrotalcite-like compounds modified with monovalent metal ions (Li, K or Cs) with the lamellar structure were synthesized. The metal percentage incorporated was higher for materials modified with Li than for those modified with K and Cs. This fact can be attributed to the lower size of their ionic radii. All mixed oxides presented basic properties. The products were analyzed by gas chromatography. The correlation between the basic properties of the solid catalysts and the activity in the transesterification reaction was investigated. The highest activity was found for the catalyst with Li incorporated by the co-precipitation method with yield values around 78% for monoglycerides. Which also showed the greatest Lewis medium basic sites density, a 31% more than the rest of the materials.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Mixed Metal Oxides
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Alkaline Metals
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Layered Double Hydroxides
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Glycerol
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Monoglycerides
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Recubrimientos y Películas
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
dc.subject.classification
Recubrimientos y Películas
dc.subject.classification
Ingeniería de los Materiales
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Mixed oxides tuned with alkaline metals to improve glycerolysis for sustainable biodiesel production
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-02T13:54:23Z
dc.journal.volume
279
dc.journal.pagination
209-216
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Balsamo, Nancy Florentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
dc.description.fil
Fil: Sapag, Manuel Karim. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina
dc.description.fil
Fil: Oliva, Marcos Iván. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
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Fil: Pecchi Sanchez, Gina Angela. Universidad de Concepción; Chile
dc.description.fil
Fil: Eimer, Griselda Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
dc.description.fil
Fil: Crivello, Mónica Elsie. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Tecnología Química. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Tecnología Química; Argentina
dc.journal.title
Catalysis Today
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.cattod.2016.06.005
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0920586116303959
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