This article describes the adsorption capability of natural zeolites for the purification and dehydration of natural gases. Studies were carried out with natural clinoptilolite treated with various cadmium and titanium solutions. Zeolite-containing…
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…
Air pollution, which causes over seven million deaths per year, is the most significant and specifically related to health impacts. Nearly 90% of the urban population worldwide is exposed to pollution not meeting the World Health Organization…
The projected increase in the availability of gaseous fuels by growing popularity of household natural gas (NG) filling stations and the increase in the production of gaseous biogas-derived fuels is conducive to an increase in the use of NG fuel.…
Transportation electrification is regarded as one of the most significant opportunities to address the social and environmental challenges posed by mass motorization and rapid urbanization. Electric vehicles (EVs) are playing an essential role in…
Petroleum consumption is an important factor for any country's economic and social growth. In India, petroleum consumption is increasing rapidly. India holds the third rank in oil consumption after the USA and China. One of the important sectors of…
Natural gas, as a very important source of energy and chemical feedstock, can be used in place of coal to lower net carbon dioxide emissions. Membrane separation technology is an attractive alternative for natural gas purification where the…
There is an increasing global attention toward hydrogen as a green energy carrier, primarily because of the environmental concerns associated with global warming issues. It is expected that the produced hydrogen from various sources may be injected…
Growing estimates of natural gas resources, including a new category of unconventional gas, suggest that accessible supplies of this least carbon-intensive of the fossil fuels may play a starring role in the green energy transition. This creates new…
District cooling systems (DCSs) are networks able to distribute thermal energy, usually as chilled water, from a central source to industrial, commercial, and residential consumers, to be used for space cooling/dehumidification. As cooling demand…
Oil-water stratification is an inevitable phenomenon in the petroleum industry. The present study describes stratified oil-water draining from a square tank through a 9 mm diameter drain pipe. The purpose of this study is to understand the flow…
The availability of alternative fuels for transportation means using renewable energy is an essential factor for achieving sustainable development. Natural gas use is increasing, and it ranks as one of the most often consumed alternative fuels for…
A novel concept for energy integration across the liquefied natural gas (LNG) supply chain is proposed by using liquid air as a medium for recycling cold energy. This allows the natural gas liquefaction and LNG regasification stages to be integrated…
In much of the world, compressed natural gas (CNG) has been a long recognized alternative transportation fuel due to the fact that it is domestic, one of the cleanest burning and most affordable alternative transportation fuel available – directly…
A commercial Fe-C material (P265GH) used for natural gas delivery and transportation systems was analyzed in H2S atmosphere in order to establish the corrosion resistance. In most of the industrial processes for gas purification the corrosion rate is…
In modern heat transfer systems, thermal storage not only causes the balance between demand and supply, but also improves the heat transfer efficiency in these systems. In the present study, a comprehensive review of the applications of micro- or…
Based on the air source phase change energy storage cascade heat pump heating system, two typical weather conditions of sunny, rainy and snow weather are selected to collect experimental data for each part of the heat pump and energy storage. The…
Entropy generation and thermal analysis for freezing process of paraffin within a duct with air turbulent flow have been scrutinized in current article. Unsteady formulation has been utilized with incorporating implicit approach and two dimension…
The solar air heater (SoAH) absorbs the solar radiation and convert it into thermal energy. The drawback of solar radiation is its uneven distribution in time and it is the main roadblock for further expansion of solar energy. The technical…
Spilled oil treated with Corexit dispersant can cause unintended impacts on marine environment systems including altering marine organic matter dynamics
The effect of hydroxy (HHO) gas or Brown gas addition as a secondary fuel on the performance, exhaust emissions, and lean operation limit of a spark-ignition (SI) engine was experimentally investigated in this study. The tests were performed on a…
The study of characteristics of natural gas hydrate slurry formation and flow with wax crystals and anti-agglomerates, is of great significance for the implementation of hydrate slurry technology in deep water waxy oil and gas fields to solve…
Present study deals with the effect of enrichment with H2 on the laminar burning velocity (LBV) and flame stability of various multicomponent NGair mixtures. In the present work, constant pressure outwardly propagating spherical flame method is used…
Numerical optimization of nitrogen oxides (NOx) formation is an essential factor during developing low pollution combustor of gas turbine. The Computational Fluid Dynamics-Chemical Reactor Network (CFD-CRN) hybrid method has a great advantage in fast…
We describe a geological assessment for the development of a Carbon Capture and Storage (CCS) project in the atmospherically polluted area of Tula de Allende, State of Hidalgo in Central México. This study targets a deep saline reservoir system…
An in-situ spiral separator was designed to sand removal and purification NGH to solve the problems of equipment wear, reservoir collapse and so on, based on the solid fluidization method and combined with the physical properties of mixed slurry.…
Combustion characteristics of palm biodiesel/methyl esters (PME) and natural gas (NG) blend were examined using a model gas turbine swirl burner at vane angle () 30, 45 and 60. A twin fluid air blast atomiser was utilised for atomising liquid fuel at…
The laminar burning velocity of H2 and CO enriched natural gas (HyCONG) mixtures measured through spherically expanding flames method under three different fuel-air equivalence ratios (0.6, 0.8, and 1.0) at room temperature and atmospheric pressure.…
In order to propose the control strategies based on exergy to realize efficient and energy-saving operation of the engine, the energy and exergy balance under sensitive boundary conditions were analyzed with the first and second laws of…
The demand for higher output efficiencies, greater specific power output, increased reliability, and ever reduced emissions has been rising. One promising alternative is the use of a gaseous fuel as partial supplement to liquid fuel. In this study,…
The porosity of adsorption column was changed due to the swing motion of the boat for the offshore natural gas production. To study the effect of adsorption column porosity on adsorption purification, an adsorption experimental apparatus was built. A…
The coordinated control of combustion boundary conditions and fuel chemistry is the core academic idea of homogenous charge compression ignition (HCCI) combustion. Realizing controlled combustion is the current development goal of HCCI engine and…
A burner comprising multiple co- and cross-flow jets was developed to address the effect of blending the natural gas (NG) with the liquefied petroleum gas (LPG) on the NOx emissions from laminar/turbulent diffusion and triple flames in the normal and…
In this paper, the standardization of natural gas composition analysis by Laser Raman Spectroscopy was studied, and the feasibility of Standardization was discussed. When using Laser Raman spectroscopy, multiple components can be measured…
Common problem in natural gas purification is Hydrate Formation. Hydrate is a solid - ice - like crystals in which gas molecules are trapped in the structure of solid water and causing problems especially clogging in the pipe line. Hydrate Formation…
Converting existing diesel engines to the spark ignition (SI) operation can increase the utilization of natural gas (NG) in heavy-duty applications, which can reduce oil imports in the US and curtail greenhouse-gas emissions. The NG operation at…
Because of deficiency of fossil fuels and stringent emission legislations of environmental pollutants, many researches have been done on the sustainable fuel resources. Natural gas ranks as one of the most popular alternative fuels for public…
The effects of intake pressures and EGR rates on the natural gas/diesel dual-fuel combustion under a high load condition (brake power of 100 kW) were evaluated using a 6-L CI engine in this study. Natural gas fraction was fixed as 80% of total input…
The present work describes a set of four in-situ combustion (ISC) tests for assessing the applicability of the technology for the heavy oil (19 API) carbonate field and determining the optimal initial oil saturation. The potential candidate for the…
The flammable hydrogen-blended methaneair and natural gasair mixtures raise spe-cific safety and environmental issues in the industry and transportation
In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…
In this study, the performance of a single-stage gas gun with a natural gas-air mixture as the propellant gas is investigated by measuring the explosion pressure and the projectile velocity. In this work, the combined effect of elevated initial…
A modular multiple thermal fluid generator is introduced to enhance heavy oil production, which consists of water treatment system, fuel injection system, air compressor, central burning and heat exchanging system, and measuring and controlling…
Greenhouse gas (GHG) emissions from the process of natural gas development is an important emission source in the fossil energy system. Research on greenhouse gas emissions from the oil and gas system is still in its infancy in developing countries…
This project carried out a computational fluid dynamics (CFD) analysis using ANSYS Fluent 14.5 software to design a compressed natural gas (CNG)-air mixer for CNG-diesel dual fuel engine. This study aimed to examine the performance of existing…
With risks becoming more complex and diverse in natural gas purification plant (NGPP), safety evaluation approaches are required to quickly identify hazards, and effectively assess safety levels. NGPP-safety evaluation represents an essential…
The pressurized oxy-fuel combustion system is renowned for its compatibility with carbon capture and storage technologies. This study aims to investigate the characteristics and potential of the pressurized oxy-fuel combustion system using unpurified…
The performances of multilayer Hex-star phosphorene (HP) for the CO2 removal from natural gas were investigated by molecular simulation combined with real adsorbed solution theory (RAST). The influences of pressure (0.01–3.0 MPa), molar fraction of…
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…
In most practical combustion devices, the actual combustion process occurs within different mixture inhomogeneity levels. Investigating the mixture fraction field upstream of the reaction zones of these flames is an essential step toward…