Category Archives: 2015

Abstract: The kinetics of gas-phase glycerol dehydration in a packed-bed reactor over a highly active and stable supported silicotungstic acid catalyst with zirconium oxide and nanosized aluminum oxide (30HZ-20A) was investigated. The kinetic study is based on the optimal reaction … Continue reading →

Abstract: Gold-nanoparticles (Au-NPs) incorporated TiO2-nanowires (TiO2-NWs) of controlled sizes prepared via hydrothermal and chemical reduction method have been investigated for CO2 photoreduction with H2 under visible light irradiations. The nanocatalysts have been characterized by XRD, FESEM, TEM, N2 adsorption–desorption, XPS, UV–vis and PL … Continue reading →

Abstract: Levulinic acid (LA) is a versatile platform chemical with numerous potential uses. Conversion of oil palm fronds (OPF) to LA over Fe/HY zeolite catalyst has been conducted in this study. The optimization process using Box-Behnken design gave 19.6% of … Continue reading →

Abstract: The conversion of glucose to 5-hydroxymethyl furfural (5-HMF) and levulinic acid (LA) using ionic liquid is a promising method for producing liquid fuels from renewable resources. In this study, three types of acidic functionalized ionic liquids (FILs) were prepared … Continue reading →

Abstract: The performance of highly ordered nitrogen-doped titania (TiO2) nanotube arrays, fabricated by anodization method, was tested for photocatalytic CO2 conversion with CH4. Nitrogen-doped titania nanotube arrays were characterized using field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), transmission electron microscopy … Continue reading →

Abstract: Immobilized titania (TiO2) nanoparticles semiconductor on stainless steel mesh was used for photocatalytic conversion of CO2 and CH4. This study utilized experimental design and process optimization tools to maximize the desired response using response surface methodology (RSM) with central composite … Continue reading →

Abstract: Immobilized titania (TiO 2 ) nanoparticles semiconductor on stainless steel mesh was used for photocatalytic conversion of CO 2 and CH 4 . This study utilized experimental design and process optimization tools to maximize the desired response using response surface methodology (RSM) with central composite … Continue reading →

Abstract: Large number of studies related to alkali and acid catalyzed transesterification of waste cooking oil are widely available, but references for optimization and modeling comparison between single and two-step transesterification are scarce. Therefore, response surface methodology (RSM) has been … Continue reading →

Abstract: The low-temperature Fischer-Tropsch (LTFT) process aims to produce heavy cuts such as wax and diesel. For many years, there have been studies and improvements on the LTFT process to make the existing reactors more efficient. Recent studies have proposed … Continue reading →

Abstract: In this study, CO2 photoreduction via reverse water gas shift (RWGS) reaction over gold (Au) and indium (In) modified TiO2 nanocatalysts in a monolith photoreactor has been investigated. Crystalline nanoparticles of anatase TiO2 were obtained in doped TiO2 samples with metals deposited over … Continue reading →