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Incorporating Indium Oxide into Microplasma Reactor for CO Conversion to Methanol.
Small Methods
January 2025
Key Laboratory of UV-Emitting Materials and Technology of Chinese Ministry of Education, Northeast Normal University, Changchun, 130024, China.
The clean conversion of CO is a strategic issue for addressing global climate change and advancing energy transformation. While the current clean CO conversion is limited to the H pyrolysis process, using HO as a proton source is more promising and sustainable. A microplasma discharge method is developed, driven by electricity, and utilized for CO conversion with HO.
View Article and Find Full Text PDFSynergistically Enhanced Co-Adsorption of Reactant and Hydroxyl on Platinum-Modified Copper Oxide for High-Performance HMF Oxidation.
Adv Mater
January 2025
Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China.
Electrochemical oxidation of biomass-derived 5-hydroxymethylfurfural (HMF) provides an environmentally friendly route for producing the sustainable polymer monomer 2,5-furandicarboxylic acid (FDCA). Thus, precisely adjusting the synergistic adsorption among key reactive species, such as HMF and OH, on the carefully designed catalyst surface is essential for achieving satisfactory catalytic performance for HMF oxidation to FDCA as it is closely related to the adsorption strength and configuration of the reaction substrates. This kind of regulation will ultimately facilitate the improvement of HMF oxidation performance.
View Article and Find Full Text PDFConstruction of a laccase/CeO/attapulgite nanocomposite for photoenzymatic catalytic CO reduction coupled with biomass oxidation.
Chem Commun (Camb)
January 2025
National-Local Joint Engineering Research Center of Biomass Refining and High-quality Utilization, Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization, Changzhou University, Changzhou 213164, P. R. China.
Herein, a photoenzymatic synergistic catalytic material, laccase/CeO/attapulgite, was prepared for simultaneous CO conversion and biomass conversion. Based on the synergistic effect of the photoenzyme in the prepared composites, a remarkable CO (27.15 μmol g h) and CH (64.
View Article and Find Full Text PDFEnantioselective Total Syntheses of Vallesamidine and Schizozygane Alkaloids.
J Am Chem Soc
January 2025
Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, United States.
A general streamlined strategy for the enantioselective total syntheses of the schizozygane family of natural products and related alkaloid vallesamidine is described. Specifically, a catalytic enantioconvergent cross-coupling sets the quaternary stereogenic center in a pluripotent intermediate adorned with an olefin and three orthogonal carboxylate groups, upon which the modularity of the synthesis relies. A late-stage catalytic oxidative lactamization of an alkyne is instrumental in the first-generation synthesis of the schizozygane alkaloids.
View Article and Find Full Text PDFCe1-xMnxVO4 with Improved Activity for Low-Temperature Catalytic Reduction of NO with NH3.
Chem Asian J
January 2025
Fudan University, Department of Environmental Science and Engineering, Shanghai Handan Road 220, 200433, Shanghai, CHINA.
Novel Ce1-xMnxVO4 catalysts prepared via modified hydrothermal synthesis were used in selective catalytic reduction of NO using NH3 (NH3-SCR). The Ce1-xMnxVO4 catalysts displayed optimum NO removal efficiency at 250 oC. Physicochemical properties including crystal type, morphology, particle size, elemental composition, BET surface area, chemical bond, and valence state were studied by XRD, TEM, EDS, N2 adsorption-desorption, Raman spectroscopy, and XPS.
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