Category Archives: 2015

Supported silicotungstic acid on zirconia catalyst for gas phase dehydration of glycerol to acrolein

Abstract: The gas phase dehydration of glycerol to acrolein over a series of supported silicotungstic acid (HSiW) on zirconia (10HZ, 20HZ, 30HZ and 40HZ) has been investigated. The catalysts were characterized by temperature programmed desorption, nitrogen adsorption–desorption, thermogravimetric analysis, Fourier … Continue reading

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Synthesis and characterization of carbon cryogel microspheres from lignin furfural mixtures for biodiesel production

Abstract: The aim of this work was to study the potential of biofuel and biomass processing industry side-products as acid catalyst. The synthesis of carbon cryogel from lignin-furfural mixture, prepared via sol-gel polycondensation at 90°C for 0.5h, has been investigated … Continue reading

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Optimization of renewable levulinic acid production from glucose conversion catalyzed by Fe_HY zeolite catalyst in aqueous medium

Abstract: Levulinic acid (LA) is a versatile chemical with numerous applications. In this study, the conversions of glucose and oil palm fronds (OPF) to LA have been conducted over 10% Fe/HY zeolite catalyst. The optimization of LA yield from glucose … Continue reading

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Photocatalytic CO2 reduction with H2 as reductant over copper and indium co-doped TiO2 nanocatalysts in a monolith photoreactor

Abstract: The photocatalytic CO2 reduction with H2 over copper (Cu) and indium (In) co-doped TiO2 nanocatalysts in a monolith photoreactor has been investigated. The catalysts, prepared via modified sol–gel method, were dip-coated onto the monolith channels. The structure and properties of nanocatalysts with … Continue reading

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Performance analysis of monolith photoreactor for CO2 reduction with H2

Abstract: In this study a monolith photoreactor was compared with a cell type for testing photocatalytic CO2 reduction with H2 as a reducing agent. The monolith channels were dip-coated with TiO2 nanoparticles and were characterized using XRD, SEM, BET and UV–Vis spectroscopy. The … Continue reading

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Photocatalytic CO2 reduction by CH4 over montmorillonite modified TiO2 nanocomposites in a continuous monolith photoreactor

Abstract: In this study, the performance of montmorillonite (MMT) modified TiO2nanocomposites for photocatalytic CO2 reduction with CH4 in a continuous monolith photoreactor has been investigated. The MMT modified TiO2 nanocomposites were dip-coated over monolith channels and were characterized by XRD, SEM, TEM, XPS, … Continue reading

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Fe_HY zeolite as an effective catalyst for levulinic acid production from glucose_ Characterization and catalytic performance

Abstract: A series of Fe/HY zeolite catalysts with different FeCl3 weight percent (5, 10 and 15%) on HY zeolite have been synthesized in this study. All the catalysts were characterized by XRD, FESEM, N2 physisorption, FTIR, TGA, NH3-TPD and IR-pyridine. The performance … Continue reading

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Indium-doped TiO2 nanoparticles for photocatalytic CO2 reductionwith H2O vapors to CH4

Abstract: Indium (In)-doped titanium dioxide (TiO2) nanoparticles were synthesized using a controlled sol–gel method. The structures and properties of the catalysts were characterized by XRD, FE-SEM, TEM, XPS, BET, UV–vis and PL spectroscopy. Indium, present over the TiO2 in metal state, … Continue reading

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Photocatalytic CO2 conversion over Au/TiO2 nanostructures for dynamic production of clean fuels in a monolith photoreactor

Abstract: Global economic development intensifies the consumption of fossil fuels which results in increase of carbon dioxide (CO2) concentration in the atmosphere. The technologies for carbon capture and utilization to produce cleaner fuels are of great significance. However, phototechnology provides … Continue reading

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