Showing papers in "Egyptian Journal of Petroleum in 2016"

TL;DR: In this paper, the main anthropogenic sources of polycyclic aromatic hydrocarbons (PAHs) and their effect on the concentrations of these compounds in air are discussed.

TL;DR: In this paper, the authors examined different alcohols commonly used for the production of biodiesel fuel with more emphasis on methanol and ethanol, and the effects of alcohol to molar ratios on biodiesel refining process and its physicochemical properties were investigated.

TL;DR: In this paper, different routes for recycling of polyethylene terephthalate are reviewed and the impact of the new recyclable catalysts such as ionic liquids on the future developments in the chemical recycling of PET is discussed.

TL;DR: In this paper, the effects of different parameters like the dosages of H 2 O 2 and Fe 2+, initial concentration of dye and pH of the solution, on the oxidation of the dye present in dilute aqueous solutions are found.

TL;DR: In this paper, the performance of atenolol on mild steel in 1-M hydrochloric acid solution was studied by weight loss and electrochemical methods and the results showed the inhibition efficiency was found to increase with increasing the concentration of the inhibitor from 50 to 300 ppm.

TL;DR: In this paper, the authors compared the different characteristics of WBM containing Multiwall Carbon Nanotubes (MWCNTs) and OBM to help decide the most suitable mud type for HPHT drilling by considering mud properties through several laboratory tests.

TL;DR: In this article, the authors extract natural polymer (chitosan) from shrimp shells and mix it with coagulants to adsorb oil from OPW, which can be done using chemo physical process to minimize the oil droplets in water.

TL;DR: In this paper, the authors describe the production of copper nanoparticles through the reduction of copper chloride (CuCl 2 ·2H 2 O) by hydrazine in the aqueous cetyle trimethyl ammonium bromide (CTAB) solution.

TL;DR: Two bacterial strains, previously isolated from used engine oil contaminated soil, and capable of producing biosurfactants, were used and showed positive results toward five screening tests, showing good stability after exposure to extreme conditions.

TL;DR: In this paper, the feasibility of biodiesel obtained from eucalyptus oil and its impact on diesel engine was investigated and the results showed that B 10 was a suitable alternative to conventional diesel fuel to control air pollution without much significant effect on engine performance.

TL;DR: In this paper, the authors evaluate the fuel properties and investigate the impact on engine performance using Pongamia and waste cooking biodiesel and their ternary blend with diesel, and the result of the test showed that brake specific fuel consumption was higher than diesel due to their lower energy content.

TL;DR: In this paper, a nanocomposite synthesis of TiO 2 NT-graphene was prepared from titanium dioxide nanotubes and graphene oxide (GO) by a simple environmental friendly method.

TL;DR: Alsabagh et al. as mentioned in this paper synthesized polymer molecules of alkene oxides diesters with varying HLB values and molecular weights (ED 1, ED 2, ED 3, PD 1, PD 2 and PD 3 ).

TL;DR: In this paper, a comprehensive review of the advancement made toward capillary trapping in terms of effective and non-effective factors is presented, and the authors suggest an integrated study for the assessment of the major and minor influential parameters.

TL;DR: In this paper, the authors investigated the fuel properties like density, viscosity and calorific value of trans-esterified methyl ester using castor biodiesel and their blends with No. 2 diesel.

TL;DR: The bacterium Bacillus licheniformis DSM = 13 strain ATCC 14580 and the yeast Candida albicans IMRU 3669 were used for biosurfactant production and FTIR analysis confirmed the chemical structure of the produced biosurFactants.

TL;DR: The PSO-ANN model can be employed reliably to estimate the drilling fluid density (g/cm3) at HPHT condition and has reasonable performance in comparison with other intelligent methods used in this study.

TL;DR: In this article, the thermal and oxidation stability of Pongamia biodiesel and effect of metal contaminants on its stability was investigated by using direct Arrhenius plot, which showed that Pyrogallol improves the oxidation and thermal stability.

TL;DR: In this article, the effects of varying reaction parameters on the hydrocracking of waste chicken fat using NiW/SiO 2 -Al 2 O 3 catalyst were investigated. And the results showed that the catalytic hydrocrack of WCF generates fuels that have chemical and physical properties comparable to those specified for petroleum-based fuels.

TL;DR: In this paper, a nonionic surfactant namely, tetradecanoate mercapto acetate polyethylene glycol was synthesized and the assembling of the synthesized surfactants on different types of prepared nanoparticles using ultraviolet (UV) and transmission electron microscope (TEM).

TL;DR: In this article, multi-walled carbon nanotube (MWCNT) and graphene nanoplatelet reinforced thermoplastic poly(lactic acid) (PLA) biodegradable nanocomposites were designed and prepared using solution casting techniques.

TL;DR: In this article, the experimental investigation related to the Mn(II) removal from aqueous solutions by the adsorption onto a synthesized Co/Mo layered double hydroxide (Co/Mo-LDH) was studied.

TL;DR: In this article, the influence of levetiracetam (LV) on the inhibition of copper corrosion in 0.5 m HNO 3 solutions was studied using electrochemical techniques (potentiodynamic polarization and electrochemical impedance spectroscopy), weight loss as well as thermodynamic calculations to explore the adsorption mechanism of LV.

TL;DR: In this paper, the inhibition efficiency of propyl benzimidazole for mild steel in hydrochloric acid in three different concentrations at 303, 308 and 313 K have been studied by polarization, electrochemical impedance spectroscopy, adsorption, surface studies and basic computational calculations.

TL;DR: In this paper, the effect of non-durable flame retardant (NDFR) coating of samples of polyester fabric untreated and treated with UV/Ozone for different periods was investigated.

TL;DR: In this paper, the effect of a commercially type of drag reducing agent on the crude oil production flow lines located in the Egyptian western desert (Fagour field) and owned by Khalda Petroleum Company was studied.

TL;DR: In this paper, the relationship between two main reservoir parameters being porosity and permeability, in the carbonate rocks is very complex and obscure, and the significance of dividing the sedimentary intervals into flow units reflects groups of rocks that have similar geologic, physical properties and depositional environment that affect fluid flow.

TL;DR: In this paper, the authors present the factors that affect the stability of crude oil emulsions and their screening methods were reviewed, and the context sets the stage for further exploration of possible relationship(s) between the physical parameters of the crude oil and the demulsifiers, and exploiting same in the formulation of new demulsifier capable of resolving crude oil ensembles using chemicals with improved surface activity and crude extracts of indigenous plants.

TL;DR: In this article, the synergistic effect between polysaccharide (Azadirachta indica gum) and four variously substituted piperidin-4-one derivatives on the corrosion inhibition of mild steel in 1 mol L−1 HCl has been analyzed using weight loss measurements, potentiodynamic polarization and electrochemical impedance spectroscopy.

TL;DR: In this article, the authors investigated the methodology of improving the stability characteristics of Pongamia biodiesel by blending with diesel and use of the antioxidant Pyrogallol and found that the optimum amount of antioxidant (PY) for pure PB 20 is 300ppm to maintain the oxidation stability specification and that PB 10 requires no additive to maintain its stability characteristics.