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Article
Selective hydrogen combustion over Rh-Sn/Al2O3 catalysts during propane dehydrogenation
A series of Rh-Sn/Al2O3 catalysts were prepared by 0.5 wt% of Rh and varied amounts of Sn from 0 to 3.0 wt%. Rh-Sn catalysts were evaluated to determine if selective hydrogen combustion(SHC) can be effectively ap...
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Article
Facile and Cost Effective Synthesis of Oxide-Derived Silver Catalyst Electrodes via Chemical Solution Deposition for CO2 Electro-Reduction
Electrochemical CO2 reduction to useful fuels is a promising strategy for the sustainable energy production. However, because CO2 reduction reaction involves sluggish kinetics, the development of high performing ...
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Article
Open AccessSynergistic effect of nano-Pt and Ni spine for HER in alkaline solution: hydrogen spillover from nano-Pt to Ni spine
The design of active, stable, and cost-effective electrocatalysts for the H2 evolution reaction (HER) in alkaline conditions is important for electrochemical systems such as the chloro-alkaline process and H2 pro...
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Article
Preparation Scheme of Active Pt/SiC Catalyst and Its Phase Changes During Sulfuric Acid Decomposition to Produce Hydrogen in the SI Cycle
The Pt/SiC-AP catalyst is prepared by the polyol method using acid treated SiC for sulfuric acid (SA) decomposition, which exhibits the highest activity and stability among the Pt/SiC catalysts prepared by fou...
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Article
Effect of Cu promoter and alumina phases on Pt/Al2O3 for propane dehydrogenation
We investigated the effects of different Cu weight ratio on θ or γ-Al2O3 which were impregnated with platinum in terms of catalytic activity for propane dehydrogenation and physicochemical properties. 1.5 wt% Pt,...
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Article
Effect of oxychlorination treatment on the regeneration of Pt–Sn/Al2O3 catalyst for propane dehydrogenation
Propane dehydrogenation and regeneration of Pt–Sn/θ-Al2O3 catalysts was evaluated with oxychlorination treatment. It was observed that the catalytic activity was not fully recovered after coke burning followed by...
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Article
Effect of potassium addition on bimetallic PtSn/θ-Al2O3 catalyst for dehydrogenation of propane to propylene
PtSn/θ-Al2O3 catalysts with different amounts of K (0.14, 0.22, 0.49, 0.72, and 0.96 wt%) are prepared to investigate the K effects on the PtSn catalyst in propane dehydrogenation (PDH). KPtSn catalyst with 0.xx ...
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Article
n-Butane Dehydrogenation on PtSn/Carbon Modified MgO Catalysts
Carbon modified magnesium oxides (CMgO-600, CMgO-700 and CMgO-800) were prepared from pyrolyzing n-hexane vapors at 600, 700 and 800 °C, respectively, on the surface of the MgO. Modification of magnesium oxide (C...
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Article
Oxidative dehydrogenation of n-butenes to 1,3-butadiene over BiMoFe0.65P x catalysts: effect of phosphorous contents
A series of BiMoFe0.65P x oxide catalysts with varying phosphorous contents from 0.0 to 0.6 mol ratio were prepared by a co-precipitation method, and oxidative dehydrogenation (...
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Article
Catalytic activity of Cu–Zn–Al–Mn admixed with gamma-alumina for the synthesis of DME from syngas: manganese effect or just method of preparation?
A series of methanol synthesis catalysts, CuO/ZnO/Al2O3 and CuO/ZnO/Al2O3 containing 5 mol% of manganese physically admixed with γ-Al2O3 were tested for the direct synthesis of dimethyl ether from syngas. The cat...
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Article
Synthesis of Cu/Fe/Ti/Al2O3 Composite Granules for SO3 Decomposition in SI Cycle
The present paper deals with the catalytic decomposition of SO3 reaction. Cu/Fe/Ti/Al2O3 composite granule catalysts prepared by a combination of Yoldas process and oil-drop method were studied in an attempt to f...
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Article
Cu–Zn–Cr2O3 Catalysts for Dimethyl Ether Synthesis: Structure and Activity Relationship
The CuO dispersed on ZnCr2O4 catalysts derived from Cu–Zn–Cr hydrotalcite like layered double hydroxide precursors with varying Zn/Cr ratios have been synthesized, characterized by BET—Surface area, X-ray diffrac...
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Article
Catalytic Systems for the H2S Wet Oxidation at room Temperature
The catalytic wet oxidation process is the most attractive process for small-scale hydrogen sulfide (H2S) removal from natural gas. The catalytic wet oxidation process is anticipated to be cost effective and simp...
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Article
Synthesis and characterization of transition metal oxide-pillared materials with mesoporosity from layered silicate ilerite
Metal oxide (Ti, Fe, Zr)-pillared porous materials with various surface areas have been synthesized by the intercalation of metal organic between the layers of layered silicate ilerite. The surface areas of me...
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Article
Liquid-phase oxidation of hydrogen sulfide to sulfur over CuO/MgO catalyst
The effect of CuO loading on CuO/MgO catalysts was investigated for liquid-phase oxidation of H2S to sulfur. CuO/MgO catalysts were prepared by impregnating MgO with aqueous copper nitrate solution. All of the ca...
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Article
A simple electrosynthesis route for preparation of nanocrystalline titanium sulphide film
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Article
Catalytic ozonation of humic acids with Fe/MgO
Humic acids were degraded by ozone at room temperature in a stirred tank reactor and a fixed bed reactor with Fe/MgO catalysts. Experimental results show that the ozonation with Fe/MgO induced a significant re...
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Article
Catalytic ozonation of humic acids with Fe/MgO
Degradation of humic acids by ozone was performed at room temperature in a stirred tank reactor with heterogeneous catalysts. Experimental results show that the ozonation with Fe/MgO induced a significant redu...
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Article
Cathodic electrodeposition of amorphous titanium oxide films from an alkaline solution bath
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Article
Mössbauer and Neutron Diffraction Studies on Co–Al Ferrite
Al substituted CoAl x Fe1−x O4 (x=0.1, 0.2, 0.3, and 0.5) have been studied with X-ray and neutron diffraction, Mössbauer spectroscopy and magnetization m...
