Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization

José Vitor C. Carmo; Joabson Nogueira; Gabriela M. Bertoldo; Francisco E. Clemente; Alcineia C. Oliveira; Adriana F. Campos; Gian C.S. Duarte; Samuel Tehuacanero-Cuapa; José Jiménez-Jiménez; Enrique Rodríguez-Castellón

doi:10.20944/preprints202407.0873.v1

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preprints.org > chemistry and materials science > chemical engineering > doi: 10.20944/preprints202407.0873.v1 (registering DOI)

Preprint Article Version 1 This version is not peer-reviewed

Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization

José Vitor C. Carmo

Joabson Nogueira

Gabriela M. Bertoldo

Francisco E. Clemente

Alcineia C. Oliveira

^* ,

Adriana F. Campos

Gian C.S. Duarte

Samuel Tehuacanero-Cuapa

José Jiménez-Jiménez

Enrique Rodríguez-Castellón

Version 1 : Received: 10 July 2024 / Approved: 10 July 2024 / Online: 11 July 2024 (05:16:16 CEST)

How to cite: Carmo, J. V. C.; Nogueira, J.; Bertoldo, G. M.; Clemente, F. E.; Oliveira, A. C.; Campos, A. F.; Duarte, G. C.; Tehuacanero-Cuapa, S.; Jiménez-Jiménez, J.; Rodríguez-Castellón, E. Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization. Preprints 2024, 2024070873. https://doi.org/10.20944/preprints202407.0873.v1 Carmo, J. V. C.; Nogueira, J.; Bertoldo, G. M.; Clemente, F. E.; Oliveira, A. C.; Campos, A. F.; Duarte, G. C.; Tehuacanero-Cuapa, S.; Jiménez-Jiménez, J.; Rodríguez-Castellón, E. Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization. Preprints 2024, 2024070873. https://doi.org/10.20944/preprints202407.0873.v1

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MDPI and ACS Style

Carmo, J. V. C.; Nogueira, J.; Bertoldo, G. M.; Clemente, F. E.; Oliveira, A. C.; Campos, A. F.; Duarte, G. C.; Tehuacanero-Cuapa, S.; Jiménez-Jiménez, J.; Rodríguez-Castellón, E. Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization. Preprints 2024, 2024070873. https://doi.org/10.20944/preprints202407.0873.v1

APA Style

Carmo, J. V. C., Nogueira, J., Bertoldo, G. M., Clemente, F. E., Oliveira, A. C., Campos, A. F., Duarte, G. C., Tehuacanero-Cuapa, S., Jiménez-Jiménez, J., & Rodríguez-Castellón, E. (2024). Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization. Preprints. https://doi.org/10.20944/preprints202407.0873.v1

Chicago/Turabian Style

Carmo, J. V. C., José Jiménez-Jiménez and Enrique Rodríguez-Castellón. 2024 "Porous Nanostructured Catalysts Based on Silicates and their Surface Functionality: on the Effects of Silica Source and Metal added in Glycerol Valorization" Preprints. https://doi.org/10.20944/preprints202407.0873.v1

Abstract

A series of nanospherical shaped silicates containing heteroatoms (Al, Zr or Ti) were successfully synthesized using TEOS or silica colloids as silicon source. These metallosilicate nanospheres were used as silicon nutrients to obtain silicalite zeolites having micro-mesoporosity with improved textural properties. The results demonstrated that TEOS acted as a suitable silicon source to produce amorphous silicates and a spherical-type hierarchical zeolite architecture with Zr and Ti heteroatoms included in their framework, with preferable particle size and crystallinity. The surface functionality of the mesostructured nanospheres and zeolite silicates provide active centers for the esterification of glycerol with acetic acid (EG) reaction. Besides, the dispersion of Cu or Fe entities on the surface of the nanospherical silicates and zeolites provided good catalytic performances in the esterification of glycerol to valuable acetins.

Keywords

Nanospheres; Nanostructured zeolite; Silicates; Surface stability; Glycerol

Subject

Chemistry and Materials Science, Chemical Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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