Category Archives: 2013

Characterization of Oil Palm Shell Activated Carbon and ZSM-5 Supported Cobalt Catalysts

Abstract In this paper we are reporting the preparation and characterization of supported cobalt catalysts using a wetness impregnation method. Different cobalt catalysts loading of 0 and 10 wt% were prepared by dissolving cobalt nitrate hexahydrate in distilled water and … Continue reading

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Optimization of oleic acid esterification catalyzed by ionic liquid for green biodiesel synthesis

Abstract: In order to improve the efficiency of biodiesel production from esterification of free fatty acids, an alternative to sulfuric acid has been explored. In this study, esterification of oleic acid was performed using 1-butyl-3-methylimidazolium hydrogen sulfate ([BMIM][HSO4]) ionic liquid … Continue reading

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Removal of Sulfamethoxazole Using Catalytic Ozonation: An Optimization Study

Abstract: The catalytic ozonation of sulfamethoxazole was investigated in this study using response surface methodology. The effect of four parameters pH of solution, concentration of antibiotic, ozone concentration and circulation rates was investigated on removal of sulfamethoxazole and COD of … Continue reading

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Catalytic Conversion of Lignocelluloisc Biomass to Levulinic Acid in Ionic Liquid

Abstract: The catalytic conversion of lignocellulosic biomass to levulinic acid in ionic liquid, [EMIM][Cl] was conducted using a hybrid catalyst. The hybrid catalyst (1:1 ratio) with equal CrCl3 and HY zeolite weight ratios was synthesized using a wet impregnation method. … Continue reading

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Applying response surface methodology to assess the combined effect of process variables on the composition and octane number of reformat in the process of reducing aromatization activity in catalytic naphtha reforming

Abstract: This study is aimed at investigating the interactive effect of reaction variables on the composition and octane number of reformat in catalytic naphtha reforming gasoline fuel. The relationship between aromatization activity and RON, with three reaction variables, namely temperature … Continue reading

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Photocatalytic CO2 Reduction and Kinetic Study Over In/TiO2 Nanoparticles Supported Microchannel Monolith Photoreactor

Abstract: In this study, a microchannel monolith photoreactor was investigated for photocatalytic CO2 reduction with H2O in gaseous phase using TiO2 and indium doped TiO2 nanoparticles. Effects of operating parameters such as monolith geometry, reaction temperature, indium loading and feed ratios were investigated … Continue reading

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Advances in visible light responsive titanium oxide-based photocatalysts for CO2 conversion to hydrocarbon fuels

Abstract: Solar conversion of CO2 to hydrocarbon fuels seems promising to reduce global warming for improved sustainability. Solar energy, as direct solar irradiations, is excessively available and it is imperious to utilize it for solar fuel production. This review paper is … Continue reading

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Photocatalytic CO2 Reduction with H2O Vapours Using Montmorillonite/TiO2 Supported Microchannel Monolith Photoreactor.

Abstract: In this study, the performance of a montmorillonite (MMT)/TiO2 coated monolith photoreactor was tested for the photocatalytic CO2 reduction. CH4 and CO were the main products having yield rates of 139 and 52 μmole g catal.−1 h−1, respectively. The other adequately significant products were C2H4, C2H6, … Continue reading

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Optimizing Removal of COD from Water by Catalytic Ozonation of Cephalexin using Response Surface Methodology

Abstract: Response surface methodology (RSM) has been used to optimize the effect of circulation rates, ozone supply, cephalexin (CEX) concentration, and granular activated carbon (GAC) dose on removal of COD from solution. According to statistical analysis, all of the input … Continue reading

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Photocatalytic Reduction of Carbon Dioxide with Water Vapors Over Montmorillonite Modified TiO2 nanocomposites

Abstract: Montmorillonite (MMT) modified TiO2 nanocomposites were synthesized by single step sol–gel method. The samples were characterized by XRD, FE-SEM, HR-TEM, FT-IR, N2-adsorption–desorption, UV–vis and photoluminescence (PL) spectroscopy. Modification of TiO2 with MMT controlled the crystal growth and produced anatase phase of … Continue reading

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