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Monthly Archives: January 2018
Characterization And Activity of Cr, Cu and Ga Modified ZSM-5 for Direct Conversion of Methane to Liquid Hydrocarbons.
Abstract: Direct conversion of methane using a metal-loaded ZSM-5 zeolite prepared via acidic ion exchange was investigated to elucidate the roles of metal and acidity in the formation of liquid hydrocarbons. ZSM-5 (SiO2/Al2O3=30) was loaded with different metals (Cr, Cu … Continue reading
Posted in 1996-2010
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Dealuminated ZSM- Zeolite Catalyst for Ethylene Oligomerization to Liquid Fuels
Abstract: Ethylene oligomerization using ZSM-5 zeolite was investigated to study the role of Bronsted acid sites in the formation of higher hydrocarbons. The oligomerization of olefins, dependent on the acidity of ZSM-5 zeolite, is an important step in the conversion … Continue reading
Posted in 1996-2010
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Gas-Liquid Reactions In Well-Mixed Reactors – A Fresh Perspective
Abstract: Classification of gas-liquid reactions in the past has been based on comparison of characteristic times for diffusional mass transfer and chemical reaction in liquid film near the gas-liquid interface. The fast chemical reactions occur almost entirely in liquid film … Continue reading
Posted in 1996-2010
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Optimization of Heterogeneous Biodiesel Production from Waste Cooking Palm Oil via Response Surface Methodology
Abstract: Heterogeneous transesterification of waste cooking palm oil (WCPO) to biodiesel over Sr/ZrO2 catalyst and the optimization of the process have been investigated. Response surface methodology (RSM) was employed to study the relationships of methanol to oil molar ratio, catalyst loading, … Continue reading
Posted in 2011
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Biodiesel Production from Waste Cooking Oil Over Alkaline Modified Zirconia Catalyst
Abstract: Screening and catalytic activity of alkaline modified zirconia i.e. Mg/ZrO2, Ca/ZrO2, Sr/ZrO2, and Ba/ZrO2 as heterogeneous catalyst in biodiesel production from waste cooking oil (WCO) have been investigated. The catalysts were prepared via wet impregnation of alkaline nitrate salts supported … Continue reading
Posted in 2011
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Combined Adsorption and Catalytic Ozonation for Removal of Sulfamethoxazole Using Fe2O3/Ceo2 Loaded Activated Carbon
Abstract: Treatment of sulfamethoxazole (SMX) in terms of total organic carbon (TOC) by combined adsorption and catalytic ozonation by commercial activated carbon (PAC) and Fe2O3/CeO2 loaded activated carbon (MOPAC) has been investigated. Adsorbent dosage of 2 g/L, initial pH ~ … Continue reading
Posted in 2011
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Catalytic Ozonation of Aqueous Phenol Over Metal-Loaded HZSM-5
Abstract: The performances of HZSM-5 and transition metal-loaded HZSM-5 (Mn, Cu, Fe, Ti) catalysts during catalytic ozonation of phenol have been investigated. It was observed the performance order for removal of phenol and COD was Mn/HZSM-5 > Fe/HZSM-5 > Cu/HZSM-5 … Continue reading
Posted in 2011
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A Review on Process Conditions for Optimum Bio-Oil Yield in Hydrothermal Liquefaction of Biomass.
Abstract: Hydrothermal liquefaction is a technique for obtaining clean biofuel from biomass in the presence of a solvent at moderate to high temperature (250–550 °C) and pressure (5–25 MPa). Hydrothermal decomposition of biomass leads to the formation of various compounds depending upon … Continue reading
Posted in 2011
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Thermodynamic Analysis of Carbon Dioxide Reforming of Methane in View of Solid Carbon Formation
Abstract: A thermodynamic equilibrium analysis on the multi-reaction system for carbon dioxide reforming of methane in view of carbon formation was performed with Aspen plus based on direct minimization of Gibbs free energy method. The effects of CO2/CH4ratio (0.5–3), reaction … Continue reading
Posted in 2011
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Catalyst Deactivation Simulation Through Carbon Deposition in Carbon Dioxide Reforming over Ni/CaO-Al2O3
Abstract: Major problem in CO2 reforming of methane (CORM) process is coke formation which is a carbonaceous residue that can physically cover active sites of a catalyst surface and leads to catalyst deactivation. A key to develop a more coke-resistant … Continue reading
Posted in 2011
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