Shengli lignite, a low-rank coal, was pretreated and oxidized with aqueous H2O2 and NaClO, respectively, to obtain an oxidation product. Both pretreated and un-pretreated oxidation products were sequentially extracted with diethyl ether and ethyl…
The subsurface contamination by petroleum hydrocarbons (PHC) from leaking underground storage tanks, pipelines and refilling stations is one of the serious issues directly affecting the quality of groundwater. Application of advanced oxidation…
Petroleum hydrocarbons are a class of anthropogenic compounds including alkanes, aromatic hydrocarbons, resins, asphaltenes and other organic matters, and soil pollution caused by petroleum hydrocarbons has drawn increasing interest in recent years.…
Biochar has been widely applied for the remediation of petroleum-contaminated soil. However, the effect of biochar on the transport of petroleum degradation bacteria has not been studied. A typical Gram-positive petroleum degradation…
Structural modifications of petroleum pitch and its subfractions induced by mild air-blowing modification have been monitored by elemental analysis, average molecular weight, Fourier transform infrared spectrometer (FTIR),1H nuclear magnetic…
Distinct naphthenic acid (NA) species were isolated from oil sands process water (OSPW) into 20 fractions via silver-ion solid phase extraction, prior to treatment using potassium ferrate(VI). Untreated and treated fractions F1F20 were characterized…
Oxidation of petroleum asphaltenes by potassium iodide (KI) is described. Oxidation under mild conditions is shown to be accompanied by iodination of the asphaltene aromatic core. The inducing reaction is the oxidation of sulfide sulfur atoms in the…
In this paper, advanced oxidation process (AOP) combining ultrasound (US) and Fenton's process was proposed for the treatment of total petroleum hydrocarbons present in oil spill sludge. The effect of several parameters like pH, ultrasonic power,…
Lignin-derived hard carbon (HC) has great potential as energy storage materials. However, it is difficult to obtain desired electrochemical performances by direct carbonization of lignin. Herein, we demonstrate a pre-oxidation strategy to enhance the…
Latent heat storage using metals as solid-liquid phase change materials (PCMs) have been concerned for medium-temperature thermal energy storage. However, due to the leakage and corrosion problems during phase transformation, the use of metallic PCMs…
The formation and decomposition of hydro-peroxides are the key stages of combustion. These stages strongly depend on the several factors accelerating or slowing this process. The aim of this work is to estimate experimentally which oil components act…
During an in situ combustion (ISC) process, low-temperature oxidation (LTO) is of vital significance for the follow-up oxidation reactions and oil recovery. Herein, this work is intended to carry out in-depth investigations regarding LTO of heavy…
In this study, an electronic nose coupled with artificial neural network (ANN) was used to predict the shelf life of two oil with new production date and oil with old production date over a period of 150days. According to the American Oil Chemists…
In-situ combustion is considered as one of the most effective ways to enhance recovery of heavy crude oils and bitumens. The oxygen from injected air reacts with the heavy components of the crude oil, forming a hot zone in which the cracking and…
Field data from the Deepwater Horizon (DWH) oil spill in the Gulf of Mexico (GoM) suggested that oxidation of gas compounds stimulated biodegradation of oil compounds in the deep sea plume. We performed experiments with local seawater from a…
Pressurized Chemical Looping Combustion (PCLC) is a promising technology for mitigating CO2 emission from fossil fuel combustion. This work investigates the oxidation kinetics of a natural ilmenite ore to assess the PCLC of natural gas since process…
Hard carbon anode materials for sodium ion batteries were prepared from petroleum pitch by air oxidation stabilization followed by carbonization. The effects of the oxidation stabilization temperature on the compositions and microstructures of the…
In this study, first of its kind complete plant scale integration of pre-combustion CO2 capture method with Chemical Looping Reforming (CLR) of Natural Gas (NG), Water Gas Shift (WGS) process, CO2 capture and CO2 compression in a combined cycle power…
The reactivity-promoting effect of trace nitrogen oxides (NOx) on post-induction oxidation of a synthetic natural gas (2% ethane in methane) has been experimentally studied in a high-pressure laminar flow reactor (HPLFR) at 10 0.1 atm, nominal…
We present a solid-phase extraction method followed by derivatization with a charged tag to characterize ketone/aldehyde-containing functionalities (proposed photo-oxidation transformation products) in weathered petroleum by Fourier transform ion…
Thermal methods have attracted a significant attention for the extraction of high-viscosity oil and natural bitumen. One of the promising methods for enhanced oil recovery (EOR) is in-situ combustion (ISC). In the reservoir, the combustion process…
This work assesses the soot formation and oxidation processes in a high-pressure direct injection natural gas engine using simultaneous high-speed two-colour pyrometry and OH* chemiluminescence imaging. A parametric investigation considers the…
To investigate the thermal effect caused by low temperature oxidation (LTO) of one heavy crude oil in porous media, a combustion tube (CT) system coupled with a self-designed experimental scheme was adopted. Also, the in-situ combustion (ISC)…
In this study, industrial-scale reactors are designed and the reactions are numerically simulated by computational fluid dynamics coupled with detailed chemical reaction mechanism. The results show that the mole fraction of C2H2 at the outlet is…
A new solution for fossil raw materials desulfurization based on a hybrid chemical-biocatalytic scheme with biogas and sulfide production is proposed.·H2O2, formic acid and Na2MoO4 were used for petroleum or oil fractions pre-oxidation. Ethanol or…
Following the large increase in unconventional hydrocarbon production in North America and elsewhere in the last 15 years, many jurisdictions have implemented groundwater monitoring programs to verify whether these subsurface industrial activities…
This study intended to examine whether the volatile compounds, oxidation stability and fatty acid profile of soybean oil are influenced by the refining process methods and conditions. To that end, an electrostatic field as a non-thermal technology…
The air injection process (AIP) has long been applied to enhance crude oil recovery. Oxidation of crude oil is essential for the success of air injection projects. However, the lack of accurate descriptions of the crude oil oxidation has led to…
The air injection process (AIP) has been widely applied to enhance crude-oil recovery. In the last decades, the limited understandings of the oxidation mechanisms complicate the prediction of the performance of AIP. The vapor-phase reaction of…
Accidental oil leaks and spills can often result in severe soil and groundwater pollution. In situ chemical oxidation (ISCO) is a powerful and efficient remediation technology. In this review, the applications and recent advances of three commonly…
During an in situ combustion (ISC) process, low-temperature oxidation (LTO) is of vital significance for the follow-up oxidation reactions and oil recovery. Herein, this work is intended to carry out in-depth investigations regarding LTO of heavy…
The ultrasonic-assisted oxidative desulfurization (UAOD) process of an Iranian heavy crude oil was performed for the first time. The applied heavy crude oil was from the West Paydar Field, Iran. Its main properties included API gravity, 18.53 and…
As an enhanced oil recovery method, the air injection process (AIP) has been applied for decades. However, deviations are still being identified between laboratory tests and field applications. One possible reason for such deviations is the formation…
Biochar has been widely applied for the remediation of petroleum-contaminated soil. However, the effect of biochar on the transport of petroleum degradation bacteria has not been studied. A typical Gram-positive petroleum degradation…
The air injection process (AIP) has long been applied to enhance crude oil production. During an AIP, the injected air reacts in-situ with part of the crude oil, generating heat and flue gas, and thus displacing the other portion of the crude oil.…
A fuel processor that reforms natural gas to hydrogen-rich mixture to feed the anode field of fuel cell stack is considered. The first reactor that generates the majority of the hydrogen in the fuel processor is based on catalytic partial oxidation…
A fuel processor that reforms natural gas to hydrogen-rich mixture to feed the anode field of fuel cell stack is considered. The first reactor that generates the majority of the hydrogen in the fuel processor is based on catalytic partial oxidation…
Throughout the years we have realized the importance of asphalt in everyday life because to transport us from one place to another it is essential to pass the roads. There are a total of 171, 347 km of paved roads in Mexico of which 50, 435 km are…
In this study, industrial-scale reactors are designed and the reactions are numerically simulated by computational fluid dynamics coupled with detailed chemical reaction mechanism. The results show that the mole fraction of C2H2 at the outlet is…
A new solution for fossil raw materials desulfurization based on a hybrid chemical-biocatalytic scheme with biogas and sulfide production is proposed.·H2O2, formic acid and Na2MoO4 were used for petroleum or oil fractions pre-oxidation. Ethanol or…
The ultrasonic-assisted oxidative desulfurization (UAOD) process of an Iranian heavy crude oil was performed for the first time. The applied heavy crude oil was from the West Paydar Field, Iran. Its main properties included API gravity, 18.53 and…
Negative ion electrospray Orbitrap mass spectrometry was used to analyze water samples taken from a pilot-scale spill tank test of conventional crude oil on freshwater. A 56-day spill test was performed, and water samples were taken at regular…
As an enhanced oil recovery method, the air injection process (AIP) has been applied for decades. However, deviations are still being identified between laboratory tests and field applications. One possible reason for such deviations is the formation…
An effective oxidative system consisting of acids combination followed by an extractive stage were implemented to separate hetero-aromatic hydrocarbons from transportation fuels. N, N-dimethylformamide (DMF) and ethylene glycol (EG) were used as a…
This work introduces CeZr0.5GdO4 spinel particles as novel oxygen carriers for use in the reforming and decomposition of methane into H2 and CO via the chemical looping technique. These particles were prepared by a modified sol-gel combustion method…
The fact that turbine engines are running at much higher temperatures and compression ratios drives the need to use fuel, prior to combustion, as a heat removal source confirms the need for a clear understanding of fuel thermal stability. As new…
Hard carbon anode materials for sodium ion batteries were prepared from petroleum pitch by air oxidation stabilization followed by carbonization. The effects of the oxidation stabilization temperature on the compositions and microstructures of the…
Presently the insulation used in the majority of electric utility transformers generally consists of cellulose materials impregnated with mineral oil. But, conventional mineral oil has long been recognized as hazardous to the environment and also…
The air injection process (AIP) has long been applied to enhance crude oil recovery. Oxidation of crude oil is essential for the success of air injection projects. However, the lack of accurate descriptions of the crude oil oxidation has led to…