Browse Items (215 total)

  • Tags: coal

With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…

Coal-geology course is one of the core courses of resource exploration engineering major in most universities of geology, mining and petroleum. In the process of teaching, we should constantly improve the optimization design of course content,…

With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…

Coal-geology course is one of the core courses of resource exploration engineering major in most universities of geology, mining and petroleum. In the process of teaching, we should constantly improve the optimization design of course content,…

With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…

Coal-geology course is one of the core courses of resource exploration engineering major in most universities of geology, mining and petroleum. In the process of teaching, we should constantly improve the optimization design of course content,…

Shale hydrocarbon production has become an increasingly important part of global oil and gas supply during the past decade. The life of projects in unconventional plays, such as shale oil and gas, tight oil and gas, coal bed methane etc., heavily…

Shale hydrocarbon production has become an increasingly important part of global oil and gas supply during the past decade. The life of projects in unconventional plays, such as shale oil and gas, tight oil and gas, coal bed methane etc., heavily…

With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…

Coal-geology course is one of the core courses of resource exploration engineering major in most universities of geology, mining and petroleum. In the process of teaching, we should constantly improve the optimization design of course content,…

With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…

This paper examines the determinants of carbon price in Hubei carbon market using VECM model. Six factors from three dimensions (international carbon price, energy price and exchange rate) are taken into account, both cointegration test and impulse…

Energy is an important driving force for the social and economic development. However, with the development of the industrial revolution and the world economy, the energy crisis is becoming more and more serious, and with the increasing greenhouse…

Accurate and stable natural gas price forecasts are essential for effective management of energy systems. However, due to the mixed frequency of data and the inherent nonlinear fluctuation characteristics of natural gas price changes, it is difficult…

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 world now relies almost exclusively on petroleum products to power our transportation systems, and coal, natural gas, nuclear and some petroleum products along with a small but growing contribution from renewables for most electricity production.…

Abstract: The use of coal pitch as a binder in anode production for the aluminum industry is an outdated approach. Such pitch has a high content of carcinogens, polycyclic aromatic hydrocarbons, and tar phenols, and its environmental impact is…

Comprehensive and systematic analysis of complex pore networks is vital in elucidating the transportation of gas in coal reservoirs. In this study, multiscale heterogeneity of high volatile bituminous (hvBb) coal was reconstructed to replicate the…

China has been attempting to realise green sustainable economic development. Thus, China has proposed and begun to implement the ‘switching from coal to gas’ policy to realise the energy structure transition but neglected to consider seasonal natural…

The effects of crude oil on the microstructure and spontaneous combustion characteristics of coal were assessed, using raw coal sample and coal samples containing 5%, 10% and 15% oil. The pore structures, oxygen adsorption capacity, surface…

Geomechanical evaluation of CO2 underground disposal is complex and can be even more challenging in coal reservoirs due to natural fractures and combined effects of multi-component transport. The objective of the research work presented in this paper…

Natural gas transportation fuels are credited in prior studies with greenhouse gas emissions savings relative to petroleum-based fuels and relative to the total emissions of biofuels. These analyses, however, overlook a source of potentially large…

We conducted simulation experiments on supercritical carbon dioxide (ScCO2)-H2O-rock interactions for caprock samples obtained from the Qinshui Basin, China, to explore the influence of carbon dioxide (CO2) injection on the sealing capability of deep…

After the quinoline insoluble fraction was removed, petroleum pitch (PP) was brominated under ultraviolet light irradiation for 3 to 9 h with a bromine to PP mass ratio of 1:20 to prepare brominated PPs (BPPs). Synthetic pitches (SPs) were produced…

Abstract: The influence of ozonization on the composition and flotation properties of petroleum and petroleum distillate fractions is considered. Preliminary ozonization is found to promote the formation of apolar hydrocarbon collectors of various…

The Baode block on the eastern margin of the Ordos Basin is a key area for the development of low-rank coalbed methane (CBM) in China. In order to find out the genesis of CBM and its storage and seepage space in Baode block, the isotopic testing of…

A coal-petroleum co-processing oil (CPCO) and its distillation fraction at 180 C (DF180) were subjected to catalytic hydro-desulfurization and hydrogenation with batch autoclave and fixed bed reactor respectively to produce potential jet fuels with…

A recently developed extrography separation method fractionates petroleum asphaltenes based on their ionization efficiency, which correlates with polarity, aggregation tendency, and asphaltene structure (single-core or island versus multicore or…

To realize the fast and accurate determination of coal-based crude oils, gas chromatography combined with mass spectrometry and flame ionization detection is employed to assist in qualitative and quantitative analysis. In addition, material balance…

Fractions of coal tar and coal direct liquefaction oil were selected as the research objectives, and they were analyzed by GC-MS/FID (Gas Chromatography-Mass Spectrometer/Flame Ionization Detector), where MS was used for qualitative analysis and FID…

By modifying underground spaces of abandoned coal mines into underground pumped storage power stations, it can realize the efficient and reasonable utilization of underground space and, at the same time, meet the increasing demand for energy storage…

To mitigate global warming to temperatures no higher than 2 C or even less than 1.5 C, carbon capture and storage (CCS) is indispensable. This is especially true for China, which relies heavily on coal-fired power plants. In China, CCS could play an…

Recent progress in the synthesis of carbon materials from biomass and coal/heavy oil waste and their use as the electrode materials of supercapacitors and Li-ion batteries is reviewed. The carbon precursors include seafood and agricultural waste, and…

A comparative study on organic geochemistry and kinetics was performed on two representative coal measure mudstone and coal samples of the Eocene Pinghu Formation in the Xihu Sag, East China Sea Shelf Basin, China. Gas chromatographymass spectrometry…

Post-combustion solvent-based carbon capture is a promising technology that potentially can offset the greenhouse gas emissions from fossil-driven power generation systems. The challenge is that CO2 absorption (similar to other CCS technologies)…

The Ordos Basin is abundant in natural gas resources, and the Shanxi Formation with the transitional facies is considered as a potential stratum for shale gas reservoir. However, the origin and geochemical characteristics of the Shanxi Formation…

The deep coal-measure gas, including coalbed methane (CBM), tight gas (TG) and shale gas (SG), has attracted widely attention because of its great potential for natural gas development and multiple benefits. To determine the gas origin, migration and…

Coalbed methane, shale gas and tight gas within coal measures exist simultaneously in many basins worldwide, with the successful exploration and development of specific gas respectively. However, the multi-layer/multi-unconventional natural gas…

The Xihu Sag in the East China Sea Basin is rich in natural gas resources, but the sources of its natural gas have always been controversial. The existing researches mostly adopt the source rock maturity for gas source correlation without any direct…

The geochemical characteristics of natural gases from Lower Paleozoic Jingbian gas field are abnormal and the carbon isotope of most natural gases has reversed, which led to a dispute over the source of natural gas in the Lower Paleozoic. The Upper…

Coalbed gas (CBG) is a typical self-generated and self-stored gas and is one of the most ideal materials for studying the geological-geochemical models of natural gas and its source rock. However, studies show that CBG is usually a mixed gas…

Low maturity coal samples were taken from the Ordos Basin to conduct gold tube thermal simulation experiment in a closed system, and the characteristics of the products were analyzed to find out the fractionation mechanism of carbon isotopes and the…

Coal Chemical Industry (CCI) have more abundant resources potential on fossil fuel under the background of the exhaustion of world petroleum resource, but still need to overcome the operational problems and environmental issues. Petroleum Chemical…

Petroleum coke and biomass/coal co-gasification is a promising approach for efficiently integrating the individual advantages of different gasification feedstocks with syngas production. Therefore, research on syngas production, reactivity…

The geochemical characteristics of natural gases from Lower Paleozoic Jingbian gas field are abnormal and the carbon isotope of most natural gases has reversed, which led to a dispute over the source of natural gas in the Lower Paleozoic. The Upper…

Coal Chemical Industry (CCI) have more abundant resources potential on fossil fuel under the background of the exhaustion of world petroleum resource, but still need to overcome the operational problems and environmental issues. Petroleum Chemical…

The chemical and stable isotopic compositions of 24 gas samples were investigated to determine the geochemistry and accumulation process of the Shenmu Gas Field (SGF), Ordos Basin, central China. Natural gas of the SGF includes both wet and dry gas…

During mining of contiguous outburst coal seams, a large amount of pressure relief gas near the seam was poured into the working face through roof and floor fractures. Consequently, substantial gas is emitted to the working face, leading to frequent…

The authors have been proposing methods to dewater, and fractionate coal by using the sequential thermal solvent extraction. They have recently showed that the degradative extraction at around 350°C using a non-polar solvent such as…
Output Formats

atom, dcmes-xml, json, omeka-xml, rss2