Abstract In this study, hydrodeoxygenation (HDO) process of bio-oil from coconut shell waste was catalyzed by active Sarulla natural zeolite (ZAS) supported Co metal and a combination Co-Mo metal. The resulting HDO product is expected to have good physicochemical stability during the storage period so as increase its potential an alternative source hydrocarbon energy. Preparation activation ZAS...

For the work presented herein nickel catalysts supported on γ-alumina extrudates (Ni/Al) with an egg-shell structure were prepared, using a modified Equilibrium Deposition Filtration (EDF) technique. Their performance was compared, for biogas dry reforming reaction, corresponding Ni/Al uniform structure, synthesized via conventional wet impregnation method. The bulk and surface physicochemical ...

With a focus on catalysts prepared by an excess-chloride wet impregnation procedure and supported the zeolite ZSM-5(30), introduction of low concentrations tertiary base metals, in particular Cu, into AuPd nanoparticles can be observed to enhance catalytic activity towards direct synthesis H2O2. Indeed optimal catalyst formulation (1%AuPd(0.975)Cu(0.025)/ZSM-5) is able achieve rates H2O2 (115 m...

The Al, Zr, and Ti modified MCM-41 materials were prepared by the post-synthesis method, and then the Ni-W species were introduced on them by using the co-impregnation method in order to obtain high-performance hydrodenitrogenation (HDN) catalysts. The activity of the catalysts was evaluated by the HDN reaction of quinoline. The optimum HDN activity was observed on the catalyst sup...

The objective of this research is to produce the low-cost activated carbon from Jatropha curcas L. by chemical activation using zinc chloride ZnCl2. The effects of the impregnation ratio on the surface and chemical properties of activated carbon were investigated. The impregnation ratio was selected at the range of 1:1-10:1 for investigation. The optimum conditions resulted in an activated carb...

In this study, a series of Bi2MoO6/g-C3N4 composites were prepared through wet-impregnation method, and their photocatalytic properties investigated for the degradation sulfadiazine (SDZ) under visible light irradiation. Physical chemical characterizations carried out using X-ray diffraction (XRD), scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), photolumines...

The kinetics and mechanism of oxygen reduction reaction (ORR) on the surface Pt PtAgFe catalysts supported by ordered mesoporous carbon (OMC) were investigated. Metal particles loaded wet impregnation-reduction method two types OMC, one being surface-modified HNO3 other unmodified. Cyclic voltammetry measurements showed that modified namely Pt/OMC-M, had highest electroactive area among OMC-sup...

• Significant effect of the method catalyst preparation on stability. Mechanochemically prepared catalysts showed superior 20 wt% NaAlO2/Al2O3 is most stable with 96% glycerol carbonate yield. Al2O3 provided highest stability compared to other metal oxide supports. Glycerol, an important by-product from biodiesel production, has significant potential as platform chemical several different pathw...

An improved SOFC anode with excellent stability against carbon deposition syngas as fuel is reported. The material Ni–La0.8Sr0.2FeO3 (LSF) composite synthesized by anhydrous impregnation. After reduction in wet H2 (3% H2O), the partially decomposes to SrLaFeO4 and exsolved Fe. Fe forms Ni–Fe alloy impregnated Ni. particle size of about 20–50 nm. nanoparticles disperse on surface La0.8Sr0.2FeO3 ...

This study focuses on the modification of natural hydroxyapatite (HAp) derived from clamshell by impregnation with palladium (Pd) at different pH in wet precipitation method to produce photoactive green materials for degradation synthetic dyes. It was found that, 10, Pd has been successfully impregnated into HAp lattice Ca/P ratio 1.77 and particle distribution size range 40?470 nm. The resulte...