Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts
Two aluminum–boron oxide catalysts were produced via a sol–gel method at pH 3 and 4 during the solution mixing step of the synthesis, these materials were employed in thermocatalytic degradation of coniferyl aldehyde (CA), which was used as a probe molecule of the lignin polymeric molecule and is co...
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| Format: | Article |
| Language: | English |
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Académie des sciences
2021-10-01
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| Series: | Comptes Rendus. Chimie |
| Subjects: | |
| Online Access: | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.114/ |
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| author | Pedroza-Solis, Celia Dolores Rivera De la Rosa, Javier Lucio-Ortiz, Carlos J. De Haro Del Río, David A. González-Casamachin, Diego A. Hernández García, Tomas C. Flores Escamilla, Gerardo A. Carrillo-Pedraza, Eileen S. Santos López, Iván A. Bustos Martínez, Diana García-Gutiérrez, Domingo Ixcoatl Sandoval Rangel, Ladislao |
| author_facet | Pedroza-Solis, Celia Dolores Rivera De la Rosa, Javier Lucio-Ortiz, Carlos J. De Haro Del Río, David A. González-Casamachin, Diego A. Hernández García, Tomas C. Flores Escamilla, Gerardo A. Carrillo-Pedraza, Eileen S. Santos López, Iván A. Bustos Martínez, Diana García-Gutiérrez, Domingo Ixcoatl Sandoval Rangel, Ladislao |
| author_sort | Pedroza-Solis, Celia Dolores |
| collection | DOAJ |
| description | Two aluminum–boron oxide catalysts were produced via a sol–gel method at pH 3 and 4 during the solution mixing step of the synthesis, these materials were employed in thermocatalytic degradation of coniferyl aldehyde (CA), which was used as a probe molecule of the lignin polymeric molecule and is comprised of the repetitive monomers coniferyl, sinapyl, and paracoumaryl. The two synthesized catalysts were mostly amorphous and mesoporous, aiding in permeability and percolation of CA. A commercial catalyst was compared (Pt/alumina at 1 wt%) with both catalysts synthesized in this work by kinetic tests by varying the CA concentration and inlet temperature. Under the same reaction conditions, the commercial catalyst showed higher activity than the aluminum–boron oxide catalysts, but the synthetic catalysts presented a wider variety of organic products than the commercial catalyst. In particular, two high-value products, isomers of eugenol and isoeugenol, were yielded in higher percentages. The experimental reaction rate data was fit to a Langmuir–Hinshelwood model, and kinetic parameters were analyzed, revealing how the adsorbed CA molecules on the catalytic surface had higher mobility with the synthesized catalyst compared with the commercial catalyst, the value of $\Delta S_{\mathrm{ads}}^{0}$ for the synthetic catalysts were $-$5.48 and $-$4.31 J/mol-K and for the commercial catalyst $-$37.17 J/mol-K. |
| first_indexed | 2024-03-11T16:14:27Z |
| format | Article |
| id | doaj.art-ab2dddbf83344b7784c9531b0551adb5 |
| institution | Directory Open Access Journal |
| issn | 1878-1543 |
| language | English |
| last_indexed | 2024-03-11T16:14:27Z |
| publishDate | 2021-10-01 |
| publisher | Académie des sciences |
| record_format | Article |
| series | Comptes Rendus. Chimie |
| spelling | doaj.art-ab2dddbf83344b7784c9531b0551adb52023-10-24T14:22:59ZengAcadémie des sciencesComptes Rendus. Chimie1878-15432021-10-0124S110111710.5802/crchim.11410.5802/crchim.114Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalystsPedroza-Solis, Celia Dolores0Rivera De la Rosa, Javier1https://orcid.org/0000-0003-0155-8340Lucio-Ortiz, Carlos J.2https://orcid.org/0000-0001-8755-4134De Haro Del Río, David A.3González-Casamachin, Diego A.4https://orcid.org/0000-0002-6673-8425Hernández García, Tomas C.5https://orcid.org/0000-0001-7372-6222Flores Escamilla, Gerardo A.6Carrillo-Pedraza, Eileen S.7Santos López, Iván A.8Bustos Martínez, Diana9https://orcid.org/0000-0003-4204-9147García-Gutiérrez, Domingo Ixcoatl10https://orcid.org/0000-0001-6350-2161Sandoval Rangel, Ladislao11https://orcid.org/0000-0002-1818-1570Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, México; Universidad Autónoma de Nuevo León, UANL, Laboratorio de Nanociencias y Nanotecnología, Centro de Investigación en Biotecnología y Nanotecnología (CIBYN), Parque de Investigación e Innovación Tecnológica (PIIT), Apodaca, N. L. 66629, MexicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoUniversidad Autónoma de Nuevo León, UANL, Facultad de Ingeniería Mecánica y Eléctrica, Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N. L., 64451, MéxicoTecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., 64849, MexicoTwo aluminum–boron oxide catalysts were produced via a sol–gel method at pH 3 and 4 during the solution mixing step of the synthesis, these materials were employed in thermocatalytic degradation of coniferyl aldehyde (CA), which was used as a probe molecule of the lignin polymeric molecule and is comprised of the repetitive monomers coniferyl, sinapyl, and paracoumaryl. The two synthesized catalysts were mostly amorphous and mesoporous, aiding in permeability and percolation of CA. A commercial catalyst was compared (Pt/alumina at 1 wt%) with both catalysts synthesized in this work by kinetic tests by varying the CA concentration and inlet temperature. Under the same reaction conditions, the commercial catalyst showed higher activity than the aluminum–boron oxide catalysts, but the synthetic catalysts presented a wider variety of organic products than the commercial catalyst. In particular, two high-value products, isomers of eugenol and isoeugenol, were yielded in higher percentages. The experimental reaction rate data was fit to a Langmuir–Hinshelwood model, and kinetic parameters were analyzed, revealing how the adsorbed CA molecules on the catalytic surface had higher mobility with the synthesized catalyst compared with the commercial catalyst, the value of $\Delta S_{\mathrm{ads}}^{0}$ for the synthetic catalysts were $-$5.48 and $-$4.31 J/mol-K and for the commercial catalyst $-$37.17 J/mol-K.https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.114/Coniferyl aldehydeAluminum–boron oxideThermocatalyticLigninBiomassEugenol |
| spellingShingle | Pedroza-Solis, Celia Dolores Rivera De la Rosa, Javier Lucio-Ortiz, Carlos J. De Haro Del Río, David A. González-Casamachin, Diego A. Hernández García, Tomas C. Flores Escamilla, Gerardo A. Carrillo-Pedraza, Eileen S. Santos López, Iván A. Bustos Martínez, Diana García-Gutiérrez, Domingo Ixcoatl Sandoval Rangel, Ladislao Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts Comptes Rendus. Chimie Coniferyl aldehyde Aluminum–boron oxide Thermocatalytic Lignin Biomass Eugenol |
| title | Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts |
| title_full | Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts |
| title_fullStr | Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts |
| title_full_unstemmed | Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts |
| title_short | Thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum–boron oxide catalysts |
| title_sort | thermocatalytic degradation of lignin monomer coniferyl aldehyde by aluminum boron oxide catalysts |
| topic | Coniferyl aldehyde Aluminum–boron oxide Thermocatalytic Lignin Biomass Eugenol |
| url | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.114/ |
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