Existing protocols (e.g., ASTM D 1275-B standard test method) applied to detect and monitor sulfur corrosion in transformer insulating oils are imprecise as it depends on visual observation. As a solution, thin-film sacrificial copper strips are…
Natural gas purification, especially with high sulfur content, is an energy-intensive chemical production process, for which there are considerable differences in the energy consumption patterns of different purification plants. Therefore, these…
Currently, crude oil still remains an irreplaceable energy source for chemical industrial processes, transportation systems, electricity, and other human activities. However, crude oil contains sulfur elements as the major impurities in the form of…
Many fire or explosion accidents have happened because of the high temperature which is the excellent indicator for risk evaluation caused by an oxidation exothermic reaction of sulfurized rust in the production and transportation of…
Hydrodesulfurization (HDS) of sour crude oil is an effective way to address the corrosion problems in refineries and is an economic way to process sour crude oil in an existing refinery built for sweet oil. Siberian crude oil transported through the…
Resins of Usa oil and their four fractions obtained by column chromatography have been studied. Changes in the structural parameters of the resins and the product composition for thermolysis of the fractions at temperatures of 200245 and 450495C have…
The present work proposes a novel system which integrates high-sulfur petroleum coke chemical looping gasification (CLG) and sulfur recovery. Depending on the gas-solid reaction, CLG process has the ability to control the reaction pattern to obtain…
Inorganic sulfur (S) species including pyrite (FeS2) and sulfates may co-exist with organic matter (OM) in source rocks. Their inter-related effects on hydrocarbon generation and decomposition, and the 34S isotope fractionation during thermal…
Upgrading heavy crude oil from East of Baghdad oilfield using a high pressure reactor with steam supplied and toluene as hydrogen donor has been investigated through aquathermolysis process. Synthesized Zn/HY Zeolite, which is characterized by XRD,…
In this work, NiFe nanocatalysts with different molar ratios 1:0.33, 1:1 and 1:3 were synthesized by a modified inverse microemulsion method at Soft Chemistry conditions in order to apply them to heavy crude oil (HCO) in situ hydroprocessing and to…
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…
Petroleum, contains proportions of contaminants such as sulfur, nitrogen, oxygen, and metals, such as nickel, iron, copper, sodium, and vanadium. Particularly, contaminants containing sulfur cause problems during handling, transportation, and the use…
Nowadays, rational yet high value-added utilization of low-cost petroleum asphalt still faces a significant challenge. In light of its high carbon content and abundant sulfur atoms, here, an in-situ bonding sulfur strategy is proposed to fabricate…
The production of elemental sulfur from petroleum refining has created a technological opportunity to increase the valorization of elemental sulfur by the synthesis of high-performance sulfur-based plastics with improved optical, electrochemical, and…
Sulfur-host material with abundant pore structure and high catalysis plays an important role in development of high-energy-density lithiumsulfur (LiS) batteries. Herein, we implanted NiCoP nanoparticles into the N,S co-doped porous carbon derived…
Mercury in natural gas may bring harm to the development and use of natural gas. The fixed bed adsorption method was used to remove mercury from natural gas. Mercury removal adsorbents were prepared by using Al2O3 and activated carbon composite…
Nowadays, most of the worlds energy consumption is from fossil fuels. One of these fossil fuels is natural gas condensate which consists of various hydrocarbon components and could be used as the main fuel resource. However, these condensates contain…
Reducing the sulfur content of crude oil and its derivatives has drawn the attention of researchers around the world to reduce environmental pollution. Desulfurization is a process used for the effective removal of sulfur from the heavy crude oil. In…
Sulfur isotope ratios are among the most commonly studied isotope systems in geochemistry. While sulfur isotope ratio analyses of materials such as bulk rock samples, gases, and sulfide grains are routinely carried out, in-situ analyses of silicate…
With depletion and natural decline of the sour gas fields in Germany, many conventional gas sweetening plants have been abandoned for economic reasons. A study and a concept selection were conducted to identify technical and economical competitive…
In recent years, relevant authorities have successively issued strict control indicators on the tail gas emission of sulfur recovery facilities, so standard tail gas emission from the sulfur recovery facilities in natural gas purification plants is…
Puguang gas field is the largest un-compartmentalized marine stratum and high-sulfur gas field discovered in China. The natural gas purification device is mainly controlled by central control room for the main process, auxiliary facilities and public…
To increase purified gas production and reduce the comprehensive energy consumption of high-sulfur natural gas sweetening units, we established a process simulation model using the ProMax, based on the field operation data of a gas sweetening unit in…
Stripping fractionation is posed an advancing and promising process for gas condensate stabilization and desulfurization. Most of H2S, light mercaptan and part of organic sulfur are removed while the condensate is stabilized in same column, reducing…
Hydrogen sulfide (H2S) is an undesirable compound in oil and gas reservoirs, which reduces the economic value of gas reservoirs and has toxic and corrosive effects on reservoir operation equipment. Albeit initial generation mechanisms of hydrogen…
Though the potential scope of multi-objective genetic algorithm in the field of secondary steel making (SSM) is enormous, the useful utilization of such evolutionary techniques in secondary steel making process is yet to be done. In this work, data…
Medium and heavy crude oils and high-boiling distillation fractions which are increasingly used in petroleum industry contain high concentrations of sulfur and metals. Their behavior in refining processes is critically dependent on the speciation.…
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.…
Kashagan oil field has been under production since September 2016. The produced oil is associated with considerable amounts of sour gas that must be processed or disposed of while minimizing flaring. This paper will focus on the methodology for field…
The use of high-sulfur petroleum coke (petcoke) as raw material in the carbon industry requires an effective desulfurization process. Hydrodesulfurization (HDS) and NH3 gaseous desulfurization are the most effective approaches. However, the S/N…
Currently, crude oil still remains an irreplaceable energy source for chemical industrial processes, transportation systems, electricity, and other human activities. However, crude oil contains sulfur elements as the major impurities in the form of…
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…
Medium and heavy crude oils and high-boiling distillation fractions which are increasingly used in petroleum industry contain high concentrations of sulfur and metals. Their behavior in refining processes is critically dependent on the speciation.…
In this paper, a more efficient way of rainwater harvesting is proposed. Due to vast globalization, urbanization and modernization the quality of our surroundings is degraded, which in turn, affects the natural phenomenon of rains too. The burning of…
Approximately 40% of current global natural gas resources have high H2S and CO2 concentrations. The H2S concentration in Middle East gas reservoirs can potentially reach up to 30 mol%. H2S is toxic
Vacuum residues (VR) are the bottom of the barrel products left after vacuum distillation of crude oils. VR are primarily used as feedstock for production of syn-gas and hydrogen via gasification
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…
This paper evaluates effects of phenolic compounds on the role of sulfur in a bituminous matrix. This is especially important because the concentration of sulfur in bitumen has been increasing mainly after a strict restriction was placed on sulfur…
Over the years, a reduced upper limit on sulfur content in marine-vehicle fuel has created a situation where a major diversion of sulfur into bitumen will be noticeable in the near future. In addition to the naturally occurring sulfur compounds in…
During the crude oil refining process, the piping system suffers a lot of corrosion damage at the elbows due to complex chemical reactions. This work aimed to investigate the effects of sodium chloride (NaCl), calcium chloride (CaCl2), naphthenic…
During the crude oil refining process, the piping system suffers a lot of corrosion damage at the elbows due to complex chemical reactions. This work aimed to investigate the effects of sodium chloride (NaCl), calcium chloride (CaCl2), naphthenic…
Hydrodesulfurization (HDS) of sour crude oil is an effective way to address the corrosion problems in refineries and is an economic way to process sour crude oil in an existing refinery built for sweet oil. Siberian crude oil transported through the…
Approximately 40% of current global natural gas resources have high H2S and CO2 concentrations. The H2S concentration in Middle East gas reservoirs can potentially reach up to 30 mol%. H2S is toxic
Quantitative real-time polymerase chain reaction (qPCR) is a highly sensitive method for the quantification of microorganisms in natural and engineered environments such as oil and gas facilities. This study developed in-field methods for sample…
Approximately 40% of current global natural gas resources have high H2S and CO2 concentrations. The H2S concentration in Middle East gas reservoirs can potentially reach up to 30 mol%. H2S is toxic
The study is devoted to evaluation of exhaust gases emissions from aircrafts using conventional oil-derived jet fuel and alternative jet fuels, obtained by blending of conventional fuel with plant oil bio-additives. The evaluation was done by…
Many fire or explosion accidents have happened because of the high temperature which is the excellent indicator for risk evaluation caused by an oxidation exothermic reaction of sulfurized rust in the production and transportation of…
Many fire or explosion accidents have happened because of the high temperature which is the excellent indicator for risk evaluation caused by an oxidation exothermic reaction of sulfurized rust in the production and transportation of…
Greater than 40% of global natural gas reserves are sour, with hydrogen sulfide concentrations that make processing that gas uneconomic in most cases. Furthermore, it is desirable to economically sequester acid gas contaminants from these resources…