Showing papers in "Catalysis Communications in 2017"

TL;DR: Magnetically separable graphene oxide supported molybdenum (Fe 3 O 4 /GO-Mo) nanoparticles were prepared and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), TEM, Fourier transform infrared spectroscopy (FT-IR), and vibrating sample magnetometry (VSM) techniques as discussed by the authors.

TL;DR: Pd nanoparticles anchored on graphitic nitride carbon (Pd/g-C 3 N 4 ) hybrid catalytic system was prepared by a simple KBH 4 reduction method as discussed by the authors.

TL;DR: In this paper, a facile deposition-precipitation method with the assistance of ethylene glycol was used to obtain the highest photocatalytic activity for BiOBr/CeO 2 microplates.

TL;DR: In this article, a novel heterojunction photocatalyst with well-dispersed TiO2 nanoparticles on Co-Doped g-C3N4 has been successfully fabricated by an in situ generation solvothermal method.

TL;DR: In this article, a catalytic hydrogenation of carbonyl derivatives with a manganese pre-catalyst has been developed, where the key feature is the use of an air stable cationic manganized pre-calyst bearing a tridendate ligand with a 2,6-(diaminopyridinyl)diphosphine scaffold.

TL;DR: In this article, three kinds of CeO2 with different nanostructures were prepared by a controlled hydrolysis method, and Cu/CeO2 catalysts were prepared using an incipient wetness impregnation method.

TL;DR: In this paper, the nanostructured proton-containing δ-MnO2 (H-δ-mnO 2 ) catalyst was prepared by proton exchange of K-containing nanoflakes, where the K+ cations effectively leached away and replaced with H+ ions.

TL;DR: In this paper, the deactivation mechanism of alkali metals on the SCR catalyst of Ce/TiO 2 was investigated by TPD and DRIFT studies, and it was found that the addition of Na or K on the C TiO 2 catalyst would restrict the adsorption of NH 3, accompanied by the generation of new sites for the NO x species.

TL;DR: In this paper, reduced graphene oxide (RGO) incorporated metal-organic frameworks (MOF) derived ZnO composites have been prepared via the microwave assisted method and used as photocatalysts for the degradation of methylene blue (MB).

TL;DR: In this article, a low-temperature SCR catalysts were developed through modifying Fe-Mn/TiO 2 catalyst with holmium (Ho), and it was found that Ho/Ti = 0.1 was the optimal molar ratio for the amount of Ho addition.

TL;DR: Pd-CeO 2 nanocrystals were prepared using a simple surfactant induced method, which initiated dry reforming of methane reaction only at 350 ˚C as discussed by the authors.

TL;DR: In this paper, a series of Ni/γ-Al 2 O 3 and 5%X-12%Ni/γ -Al 2O 3 (X = La, Ce, Pr, Eu & Gd) catalysts was synthesized by using aqueous incipient impregnation method for methanation of carbon dioxide.

TL;DR: In this article, a core-shell structure was used for the low-temperature selective catalytic reduction of NO by NH3, with a molar ratio of CeO2/MnOx = 0.6.

TL;DR: In this article, highly dispersed Pd nanoparticles were anchored on reduced graphene oxide using a co-deposition and sacrificial method, in which cobalt was used as the sacrificial agent.

TL;DR: In this paper, a series of Co/CeO2 catalysts with different morphology of CeO2 support were prepared and it was shown that part of Co species could be introduced into the CeO 2 lattice and thus a new Co O bonding would be created for the ceria-supported Co catalysts.

TL;DR: In this article, an Ag-modified CaTiO 3 photocatalyst was re-examined by optimizing the Ag loading amount and using a conventional photochemical reactor, which revealed that the Agmodified Ca TiO 3 copatalyst actually showed both high production rate of CO (54μmol h −1 ) and excellent selectivity towards CO formation (94%) by suppressing the H 2 production via water splitting.

TL;DR: A series of CeO 2 modified and Ce-Mn co-modified activated carbons (AC) were prepared for the gas-phase elemental mercury (Hg 0 ) removal experiment under N 2 atmosphere.

TL;DR: In this paper, an effective and mild citric acid etching strategy was used to improve the performance of LaMnO3 perovskite catalysts for methane combustion by an effective etch strategy.

TL;DR: A green and environmentally friendly approach for the synthesis of silver nanoparticles (Ag NPs) using Radix Puerariae plant extract via a novel chemical route was developed in this paper.

TL;DR: In this article, a series of metal ion-doped MnO2 materials are successfully prepared using liquid precipitation method, and employed as catalysts for the aerobic oxidation of HMF in the alcoholic solvents.

TL;DR: In this paper, the activity of Ceria-Zirconia supported Ni catalysts was measured in a hybrid cold dielectric barrier discharge (DBD) plasma-catalytic process for the hydrogenation of carbon dioxide into methane at low temperatures.

TL;DR: APTES-GO as mentioned in this paper was used as a heterogeneous catalyst for solvent free Knoevenagel condensation reaction producing cinnamic acid with excellent conversion (94%) and selectivity (99%) at RT.

TL;DR: In this article, a graphitic carbon nitride (g-C 3 N 4 ) nanocrystals/AgVO 3 photocatalyst was successfully synthesized by a simple two-step method.

TL;DR: In this paper, M-CeO 2 /AC (M = Cu, Fe, Co, Ni and Pd) catalysts were evaluated in the continuous catalytic upgrading of ethanol to n -butanol under mild reaction conditions.

TL;DR: In this paper, mesoporous silica supported Ni nanoparticles have been investigated for hydrogen production from ethanol steam reforming, and three-dimensional KIT-6 possessing interconnected mesopores offers superior metal dispersion, steam reforming activity, and on-stream stability against deactivation compared with a two-dimensional SBA-15 support.

TL;DR: In this article, the effect of acid modification of a natural montmorillonite clay (MM) by HNO3 on the catalytic properties of MM from Dash-Salakhlinsk (Kazakhstan) has been investigated in the synthesis of solketal from glycerol and acetone in solvent free and acetonitrile media.

TL;DR: A copper-organic framework was synthesized, and utilized as a recyclable heterogeneous catalyst for the direct C H amination of quinoxalin-2(1H )-ones with amines to produce 3-aminoquinoxalin 2(1 H ) -ones as mentioned in this paper.

TL;DR: In this article, two typical refractory organic pollutants, methylene blue (MB) and tetracycline (TC), were effectively degraded under visible-light irradiation catalyzed by Zn/Fe mixed metal oxide (Zn-Fe-MMO) nanocomposite.

TL;DR: In this paper, Pt nanoparticles were deposited on TiO 2 nanocrystals with coexposed {101} and {001} facets by photodeposition and chemical reduction methods using H 2 PtCl 6 or Pt(NH 3 ) 4 Cl 2 as precursors, respectively.

TL;DR: In this article, the authors used powder X-ray diffraction, temperature programmed reduction and thermogravimetric analysis to characterize the catalysts of the Cu-Ni/SiO2 bimetallic catalyst.