Listar DQO-Artículos, capítulos... por autor "7c1bb0e8-59dd-4213-9fe8-e3dc5f72e945"
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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 ... -
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 ...