Showing papers in "Journal of Molecular Catalysis in 2008"

TL;DR: Using glycerol as electron donor, the photocatalytic hydrogen generation over Pt/TiO2 has been investigated in this article, where the results show that glycerols can not only improve the efficiency of photocatalyst hydrogen generation but also be decomposed effectively.

TL;DR: In this paper, Tributyl citrate (TBC) was synthesized using acidic functionalized ionic liquids as catalysts and the optimal conditions were obtained for the TBC conversion.

TL;DR: In this paper, the W-modified HZSM-5 catalyst was used as a catalyst for Butene cracking, which is able to restrain the reaction of aromatization and hydrogen transfer, prevent the catalyst from coking, and increase the catalytic activity.

TL;DR: In this article, the alkylation reaction of phenol with tert-butyl alcohol (TBA) catalyzed by morpholine-based acidic ionic liquids has been investigated.

TL;DR: In this article, the effect of noble metal addition (Pt, Pd) to supported Ni/Al2O3 towards the ability to coke resistance and catalytic activity for the reaction of steam reforming of methane.

TL;DR: In this article, a Prins condensation of formaldehyde with alkene for synthesis of 1,3-dioxane and its derivatives catalyzed by a series of functional acid ionic liquids has been investigated.

TL;DR: In this paper, a series of Co-Ni/SiO2 catalysts were prepared by impregnation methods for steam reforming of acetic acid to hydrogen and showed that the molar ratios of Co and Ni, the loaded weight, reaction temperature, steam to carbon ratio and space velocity significantly affected the activity of the catalysts.

TL;DR: In this paper, a new technique of partial oxidation of methane to syngas by lattice oxygen of CeO2 in molten salt was introduced,Ceria-based oxygen carriers were prepared by incipient wetness impregnation, and the characterizations of oxygen carriers are studied using X-ray diffraction(XRD),O2-TPD and H2 -TPR.

TL;DR: In this paper, the effects of ionic liquids, reaction time, temperature, mole ratio of regents and the amounts of catalyst are examined. And functional ionic liquid [C4H8SO3Hmim]p-TSA is proved to be efficient catalyst in protection of aldehydes whose catalytic activity is mainly determined by the cation.

TL;DR: In this article, a mesoporous molecular sieve MCM-41 with hexagonal structures and enhanced stability has been successfully synthesized via a dual templating of carboxymethyl cellulose (CMC) and cetyltrimethylammonium bromide (CTAB).

TL;DR: In this article, the authors investigated the photodegradation of acetone over Pt/V2O5/MgF2 catalyst in the temperature region of 120 to 150 C under visible lights.

TL;DR: The results of the pyridine adsorption infra-red spectrogram suggested that USY zeolite with larger acid sites performed better on the alkylation reactions as mentioned in this paper.

TL;DR: Eu2Sn2O7 nanoparticles were prepared by hydrothermal method, and characterized by TEM, XRD, IR and Raman techniques as mentioned in this paper, which showed that the photocatalytic activities were also evaluated by decolorization of methyl orange under ultraviolet light.

TL;DR: In this article, the reaction conditions for the direct esterification in a solvent-free system using lauric acid as the acyl donor and fructose as an acyl acceptor, the lipase Novozyme435 immobilized on anion resin as the biocatalyst were investigated.

TL;DR: In this paper, Ni-La catalysts supported on γ-Al2O3,SiO2 and Ni-O3·SiO 2 were prepared using impregnation methods and the structure and surface characteristics of the catalysts were measured by XRD, TPR, XPS, H2-TPD,NH3-T PD and TG.

TL;DR: In this article, the FeVO4 catalyst was characterized by x-ray diffraction (XRD), BET and H2-TPR, and its catalytic behavior for the oxidative dehydrogenation of propane to propene was also investigated.

TL;DR: Fey-TiO2+x nanoparticles were prepared by co-precipitation method from Ti(SO4)2 and Fe3O4The crystal types, the property of absorption spectrum and magnetic response of Fey- TiO2+,x were examined by XRD,TG-DSC,UV-Vis and fluorescence spectra using the photocatalytic degradation of methyl orange as a model reaction.

TL;DR: In this paper, the performance of the SAPO-34 molecular sieve and ZSM-5 zeolite as catalysts for the conversion of butylenes to propylene was compared in detail.

TL;DR: In this article, the mechanism of reactions in the ball milling was investigated and the possibly chemical reactions during the synthesis process were determined through TG-DTA investigation of the precursor.

TL;DR: Eu doping TiO2 nanocrystal was prepared by sol-gel and solvothermal synthetic method using titanium tetraisopropoxide(TTIP) as titanium sourceWide-angle X-ray powder diffraction(XRD) revealed the existence of anatase phase structureTransmission Electron Microscopy (TEM) and N2 adsorption desorption isotherms were utilized for further morphology and textural properties of catalysts as mentioned in this paper.

TL;DR: In this paper, the effect of promoters such as Mn and Li on CO and H2 adsorption behaviors over Rh/SiO2 catalyst was investigated by Microcalorimetry and Fourier Transform infrared(FT-IR).

TL;DR: In this paper, the LaPW12O40 was used to synthesize benzaldehyde glycol acetal, benzaldehyde 1,2-propanediol acetal and cyclohexanone ethylene ketal.

TL;DR: In this paper, the effects of vital process parameters on the oxidation of cyclohexane were studied under the optimized conditions, the 268% of the conversion of cyclhexane,716%,109% and 26% of selectivity of KA oil (the mixture of cycloenanone and cycloxideanol),adipic acid and cycloenyl hydroperoxide(CHHP) were obtained when the test temperature ranged from 393K to 433K.