Listar Producción Científica por autor "7c1bb0e8-59dd-4213-9fe8-e3dc5f72e945"
Mostrando ítems 1-12 de 12
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Continuous flow alcoholysis of furfuryl alcohol to alkyl levulinates and angelica lactones using zeolites
Zhao, Deyang; Prinsen, Pepijn; Wang, Yantao; Ouyang, Weiyi; Delbecq, Frederic; Len, Christophe; Luque, Rafael (2019)The present work explores the catalytic activity of various zeolites for the production of methyl levulinates from hemicellulose derived furfuryl alcohol and explores the performance of H-ZSM-5-50 in continuous flow ... -
Continuous flow conversion of biomass-derived methyl levulinate into gamma valerolactone using functional metal organic frameworks
Ouyang, Weiyi; Zhao, Deyang; Wang, Yantao; Balu, Alina M.; Len, Christophe; Luque, Rafael (2019)Zirconium based metal organic framework, UiO-66 (Zr), was successfully synthesized via solvothermal method, followed by various characterization including XRD, thermal analysis, N2 physisorption and TEM. As-synthesized ... -
Continuous-Flow Hydrogenation of Methyl Levulinate Promoted by Zr-Based Mesoporous Materials
Lázaro, Noelia; Franco, Ana; Ouyang, Weiyi; Balu, Alina M.; Romero, Antonio A.; Luque, Rafael; Pineda, A. (MDPI, 2019)Several Zr-based materials, including ZrO2 and Zr-SBA-15, with different silicon/zirconium molar ratios, and ZrO2/Si-SBA-15 (where SBA-15 stands for Santa Barbara Amorphous material no. 15), have been prepared as hydrogenation ... -
Design of novel nano-photocatalytic systems for continuous photoreaction processes
Ouyang, Weiyi (Universidad de Córdoba, UCOPress, 2018)Los trabajos de investigación que se recogen dentro de esta Memoria de Tesis Doctoral se han realizado dentro del grupo de investigación FQM-383, Nanoquímica y Valorización de Biomasa y Residuos (NANOVAL), al que he ... -
Designer hydrogenated wrinkled Yolk@Shell TiO2 architectures: towards advanced room temperature visible light selective photocatalysts
Ziarati, Abolfazl; Badiei, Alireza; Luque, Rafael; Ouyang, Weiyi (2019)Smart architectures of TiO2 are attracting increasing attention due to their outstanding properties in a broad range of fields. Herein, we report the preparation of an unprecedented yolk/shell wrinkled TiO2 architecture ... -
Effects of Using Aluminum Sulfate as an Accelerator and Acrylic Acid, Aluminum Fluoride, or Alkanolamine as a Regulator in Early Cement Setting
Zhang, Yihong; Wu, Yong; Zhou, Puyu; Song, Zhiyuan; Jia, Yayun; Ouyang, Weiyi; Luque, Rafael; Sun, Yang (MDPI, 2023)Aluminum sulfate was employed as the main accelerator in order to explore new non-chloride and alkali-free cement accelerators. Acrylic acid, aluminum fluoride, or alkanolamine were used as regulators to further accelerate ... -
Facile mechanochemical modification of g-C3N4 for selective photo-oxidation of benzyl alcohol
Cerdana, Kenneth; Ouyang, Weiyi; Colmenares, Juan C.; Muñoz-Batista, Mario J.; Luque, Rafael; Balu, Alina M. (2019)Graphitic carbon nitride enriched with ZnO or Fe2O3 were synthesized using a simple one-pot mechanochemical method. By using this method, composite samples were synthetized without the production of any potentially hazardous ... -
Highly active catalytic Ru/TiO2 nanomaterials for continuous production of γ-valerolactone
Ouyang, Weiyi; Muñoz-Batista, Mario J.; Fernández-García, Marcos; Luque, Rafael (2019)Green energy production from renewable sources is an attractive but challenging topic to face the likely energy crisis scenario in the future. In the current work, a series of versatile Ru/TiO2 catalysts were simply ... -
Mechanochemical Synthesis of TiO2 Nanocomposites as Photocatalysts for Benzyl Alcohol Photo-Oxidation
Ouyang, Weiyi; Kuna, Ewelina; Yepes, Alfonso; Balu, Alina M.; Romero, Antonio A.; Colmenares, Juan C.; Luque, Rafael (MDPI, 2016)TiO2 (anatase phase) has excellent photocatalytic performance and different methods have been reported to overcome its main limitation of high band gap energy. In this work, TiO2-magnetically-separable nanocomposites ... -
Mild ultrasound-assisted synthesis of TiO2 supported on magnetic nanocomposites for selective photo-oxidation of benzyl alcohol
Colmenares, Juan C.; Ojeda, Manuel; Kuna, Ewelina; Chernyayeva, Olga; Lisovytskiy, Dmytro; Balu, Alina M.; Luque, Rafael; De, Sudipta; Ouyang, Weiyi (Elsevier, 2016)A simple and effective ultrasound-assisted wet impregnation method was developed for the preparation of magnetically separable TiO2/maghemite-silica photo-active nanocomposites. The resulting nanomaterials were characterized ... -
Towards industrial furfural conversion: selectivity and stability of palladium and platinum catalysts under continuous flow regime
Ouyang, Weiyi; Yepeza, Alfonso; Romero, Antonio A.; Luque, Rafael (2019)Furfural is an important biorefinery platform chemical, derived from hemicelluloses which represent an import fraction of lignocellulosic biomass feedstocks and waste streams originating from them. Recently, promising ... -
Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
Balu, Alina M.; Ouyang, Weiyi; Reina, Jose M.; Kuna, Ewelina; Yépez, Alfonso; Romero, Antonio A.; Colmenares, Juan C.; Luque, Rafael (Elsevier, 2017)In this work, we have successfully synthesized a set of titania photocatalytic nanocomposites by the incorporation of different TiO2 content on wheat bran residues. The obtained catalysts were characterized by different ...