Monthly Archives: December 2017

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 →

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 →

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 →

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 →

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 →