The development of concentrated and highly stable oil-in-water (O/W) emulsion is considered to be a cost-effective alternative for the transportation of produced heavy crude oils. However, the demulsification of a transported O/W emulsion is…
This study was aimed to optimize mixtures of ashwagandha powder and giloy powder along with wheat flour for the production of sponge cake. Ashwagandha powder and giloy powder were applied 2 to 5% and 5 to 8%, and yogurt was used as fat-replacer 50%.…
Multi-component hollow structures with attractive physicochemical properties, often show superior electrochemical performance in alkali-ion batteries. Herein, a template-directed strategy is proposed for synthesis of multi-component hollow nanosphere…
Abstract: The process of deasphalted oil thermal cracking in the presence of catalysts formed from oil-soluble Fe, Mo, Ni, and Co acetylacetonates is studied. It is shown that the used catalysts substantially change physicochemical properties of the…
Asphaltenes are unique molecules whose abundance and structure control physicochemical properties of petroleum. The structural appearance of asphaltenes (island versus archipelago architecture) is dependent upon the sample type and petroleum source,…
Results are given for a study on the optimization of the composition of crude oil consisting of petroleum, fuel oil, and gas condensate to improve atmospheric distillation at an installation of the Gazprom Neftekhim Salavat Atmospheric and Vacuum…
Conventional thermal energy storage (TES) media and heat transfer fluids (HTFs) currently used in commercial concentrated solar power (CSP) plants are nitrate-based molten salts with working temperature up to about 565 C. Current interest in raising…
The aim of this study was to investigate the effects of storage time on physicochemical properties of oleogels from high oleic sunflower oil and monoglycerides (6.6wt%). Oleogels were stored for eight weeks at 5C and tested weekly. The analyzed…
In this work, nanocatalysts as Ni, Mo, Fe nanoparticles (NPs) were synthesized by the modified inverse microemulsion method at room temperature conditions in order to apply them to heavy crude oil (HCO) in situ hydroprocessing and to improve their…
Abstract: A comparative analysis has been made of the physicochemical properties and structural-group composition of acids isolated from crude oils of the Anastasievsko-Troitskoe (Krasnodar krai, Russia) and Naftalan (Azerbaijan) oil fields. For each…
Abstract: Molecular-mass distribution curves of native nanoasphaltenes in the form of fractograms for a significant sample of crude oils have been obtained using the thermal field-flow fractionation of asphaltenes, and a multidimensional analysis of…
Microbes can enhance oil recovery through the degradation of some heavy fractions of crude oil. Two Pseudomonas aeruginosa strains (Gx and Fx) using crude oil as the carbon source were isolated from oil-contaminated soils. The potential of Gx and Fx…
Alumina-supported Ni-promoted W oxides, carbides and nitrides were presulfided and employed for reducing pollutants and increasing the quality of an extra-heavy crude oil during catalytic upgrading reactions. These materials were prepared by…
Many applications in the oil and gas industry require modeling physicochemical properties of complex mixtures. In this work, we propose a methodology to predict the interfacial tension of water/crude oils by modeling the composition of crude oil…
In this work, the catalytic aquathermolysis process of a Colombian heavy crude oil was studied. Reactivity tests were conducted in a microbatch reactor at 270 C and saturation pressure of 5.5 MPa, during 66 h, using iron and molybdenum naphthenates…
The improvement of the physicochemical properties of heavy crudes for their better use has brought the application of new technologies and processes to the oil and gas industry. Hydrodynamic cavitation consists of cavitating the working crude oil as…
Crude oil refining processes generate a large amount of petroleum sludge (PS) in petroleum industries. Globally, PS has gained widespread attention to ensure its effective waste management. This study investigated the suitability of PS to provide an…
Determining the physicochemical properties of petroleum is important for rapid decision-making during the production process. True boiling point (TBP) curve is the most important parameter in the petroleum characterization. However, the TBP can be…
Oxygenates should be added to gasoline fractions because they are environmentally friendly and have a high-octane rating. This research investigates new recipes for producing high-octane gasoline based on gas raw materials by using isooctene. Blend…
We proposed a direct in situ synthesis method for iron oxide nanoparticles (NPs) along with catalytic erformance upgrading of heavy crude oil (HCO). Our method compares the upgrading of a HCO where other iron oxide nanoparticles were synthesized by a…
The characterization, occurrence, fate and behaviour of spilled oil in the affected boreal freshwater ecosystem were investigated in this study following a spill in March 2015, in Gogama, Ontario, Canada. A physicochemical property analysis of the…
This review systematically reports the pyrolysis of oily sludge (OS) from petroleum industry in regards to its dual features of the energy recovery potential and the environmental risks. The petroleum hydrocarbons are the nonbiodegradable fractions…
The paper presents the results of an experimental study of the behaviour of formation and decomposition of natural gas hydrates of the Srednevilyuiskoe and Otradninskoe gas condensate fields depending on the concentration of sodium bicarbonate…
One of the most important characteristics of asphaltene molecules is their interfacial properties. These are amphiphilic molecules with polar and nonpolar portions. Consequently, asphaltenes have an active surface, so they can be adsorbed at the…
Crude oils produced from different reservoirs in the world have very different chemical compositions and physicochemical properties. Naphthenic acids and sulphur content can affect the properties and impact the processing and refining of oils.…
Synthesis of Compound Esters based on Acid Chloride of Low-Molecular Petroleum Acids of Baku Marine Oil Fields and Chiral Unsaturated Alcohols. The physicochemical properties of the compound naphthenic acid esters are determined, and the…
The processing, production, and transport of heavy crude oils are big challenges for the petroleum industry. Central to this challenge is the fluid viscosity: the key variable responsible for the oil fluidity throughout the entire production process.…
The characterization, occurrence, fate and behaviour of spilled oil in the affected boreal freshwater ecosystem were investigated in this study following a spill in March 2015, in Gogama, Ontario, Canada. A physicochemical property analysis of the…
The study investigated the effect of degumming on physicochemical properties of FAEE produced from Acacia nilotica seed oil using AOCS and ASTM standard methods. The results revealed that the values for specific gravity (0.88), iodine value (65.03 g…
This review systematically reports the pyrolysis of oily sludge (OS) from petroleum industry in regards to its dual features of the energy recovery potential and the environmental risks. The petroleum hydrocarbons are the nonbiodegradable fractions…