
What is the range of internal water in Shanxi coal

Hydrochemical assessments and driving forces of water resources in coal
2023年9月7日 Explore the hydrochemical characteristics of surface water (SW) and groundwater (GW) under coal mining activities and controlling factors is essential to ensure water security This research concentrates on the Changhe River Basin (CRB) Water samples were collected 2022年8月1日 Highash yield coal at both locations is generally >30% (dry basis [db]) whereas lithotypes designated only as coal range in ash yield from 6 to 23% (db) The volatile matter Geochemistry of two highlithium content coal seams, Shanxi A multilayer waterrich aquifer is developed in the roof of the main coal seam in the deepburied mining area of Inner MongoliaShaanxi, China During the coal mining process, the water level Study on Hydrogeochemical Characteristics of Deeply2019年2月4日 Protection of water resources in the processes of coal mining includes mainly three methods for achieving effective utilization of mine water: water conservation mining, Water Resources Utilization and Protection in the Coal

Characteristics of Water Hazards in China’s Coal Mines: A
2021年3月26日 中国煤矿水文地质条件非常复杂,受多种复杂水害威胁依据煤层赋存特征和区域地质,水文地质条件分析,将中国产煤区划分为六个主要水害区概括了六个水害区的充水条件和主 The coal industry water withdrawal in the Northern, Middle and Eastern Shanxi coal bases accounts for 451%, 201% and 384%, respectively, of the total industrial water withdrawal Current status of water use in the coal power bases of Shanxi2020年2月10日 The cities of Erdos, HulunBuir, Yulin, Shuozhou, and Changzhi have the largest coalrelated water consumption, ≈ 36% of the nation’s total, while large coalrelated Spatial Relationships of Water Resources with Energy 2023年1月1日 The spatial distribution of mine water quality and geochemical controls must be investigated for water safety and ecosystem protection in ShaanxiInner Mongolian Coal Mine Geochemical fingerprint and spatial pattern of mine water

20 Coal Transition in China: Focus on the Shanxi
Typical coal mines now have a capacity to produce above 900,000 tonnes per year in Shanxi A summary of the status, in terms of assets, debt and employment, of coal SOEs in Shanxi was 2023年1月1日 Coal seams contain a large number of pores and fissures with scales ranging from macroscopic faults, laminae, and joints to micron and nanosized pores The internal structure of coal seams significantly affects the Mechanical behaviors of coal measures and 2016年11月23日 The previous chapters in this publication have examined coal mines and coal railways on a national scale Scaling down this national focus, this chapter will adopt a case study format and study railway development in China’s Shanxi coalbearing region as well as examine the Shenhua coal distribution system, a major coal producer in China based in ShanxiThe Historical Development of Shanxi’s Coal Industry as a2011年12月23日 Rare earth element (REE) concentrations were determined in acid mine drainage (AMD), bedrock, pyrite, and coal samples from the Sitai coal mine and the Malan coal mine in Shanxi province, China The AMD displayed high REE concentrations with typical convex shalenormalized patterns The REE concentrations in the bedrock samples are one order of Behavior of rare earth elements in acid coal mine drainage in Shanxi

Simulated study on CH4 adsorption by Shanxi gasfat coal at
2023年10月9日 Context To investigate the impact of moisture on gas adsorption in gasfat coal, Shanxi gasfat coal was chosen as the research subject The Adsorption module within molecular simulation software was utilized to construct gasfat coal models with moisture contents of 0%, 114%, 226%, and 372% The results revealed that the isothermal adsorption curves of gas 2017年12月1日 The coal industry water withdrawal in the Northern, Middle and Eastern Shanxi coal bases accounts for 451%, 201% and 384%, respectively, of the total industrial water withdra wal 3Quantitative analysis of the waterenergyclimate nexus in Shanxi 2024年8月22日 When it comes to Shanxi, many people's first impression is the limitless grandeur of the "Shanxi Coal Boss" Indeed, Shanxi is a significant energy province in China, especially a major coal province, accounting for 173% of the nation's reserve of resources and ranking third in the country It is, therefore, known as the "Sea of Coal in China"Discover China's coalrich Shanxi and its ancient charm2023年11月16日 Water 2021, 13, 8 3 of 21 sustainable development of the economy and society and energy security There are 8 large river basins in Shanxi According to statistics, the coal mine areas in Shanxi Review: Acid Mine Drainage (AMD) in Abandoned Coal

Review: Acid Mine Drainage (AMD) in Abandoned Coal Mines of Shanxi
2020年12月23日 Excessive exploitation and massive coal mine closures have brought about extensive goafs in Shanxi where 8780 coal mines have been abandoned in the last 20 years Acid mine drainage (AMD) poses severe environmental impact and has become a prominent problem in Shanxi abandoned coal mine areas, which has aggravated the shortage of water resources 2022年6月6日 Both shales and tight sandstones have complex and heterogeneous pore systems that largely determine reservoir quality However, there are few published data integrating the pore structure of shales and tight sandstones in coalbearing sequences This study presents a pore structure characterization of the Carboniferous–Permian (C3t–P1s) Characterization of pore structure in Carboniferous2019年1月1日 The coal seams in northern China mainly exist in the Jurassic strata, which contains several aquifers [3,18,19] The mining of these coal seams will affect the quantity and quality of groundwater Change of regional water chemistry driven by group coal 2024年10月27日 The mechanism of the difference in bacterial community composition caused by environmental factors in the underground coal mine is unclear In order to reveal the influence of coal mining Coal mining activities driving the changes in bacterial

Review: karst springs in Shanxi, China Carbonates and Evaporites
2018年3月1日 China is one of a few countries in the world where karst is intensively developed and karst water is heavily utilized as water supply sources Shanxi is such a Province with the largest karst distribution in places in Northern China, where 19 large karst springs and their catchments are identified to provide important sources of the water supply and ecosystem 2022年3月10日 Shaanxi Coal and Chemical Industry Group Co, Ltd ("Shaanxi Coal and Chemical roup"G or "company") is an SOE under the Shaanxi Province Stateowned Assets Supervision and Administration Commission (SASAC)Headquartered in Xi’an, Shaanxi, i t was established in 2004 with registered capital of 10 billion RMB Shaanxi Coal and Chemical Industry Group Co, Ltd2023年1月9日 Water–coal interactions are dominant factors that affect water quality in coal mines Using lixiviation, the effects of water–coal interactions on pH, salinity, and hazardous elemental enrichment in coal mine water and associated trends were simulated and analyzed The salinity and hazardous element contents were low in the alkaline solution filtrate Effects of water–coal interactions on coal mine water quality The results showed that seasonal changes in groundwater storage are closely related to rainfall, but the groundwater consumption is mainly due to human activities; coal mining in particular plays a major role in the serious groundwater consumption in eastern region of the study areaEvaluation Analysis on the Damage of Shanxi Coal Mining to Water

Characteristics of coal resources in China and statistical
2023年4月18日 The results show that the storage of coal resources has obvious geographic characteristics, mainly concentrated in the Midwest, with coal resources in Shanxi and Shaanxi accounting for about 494% The proportion of coal consumption has dropped from 702% to 56% between 2011and2021, but still accounts for more than halfof the 2015年10月25日 The transformation of inherent minerals during pyrolysis is the key for coke quality and metallurgy Five different coals were selected to investigate the mineral transformation in coking coal Behavior of Minerals in Typical Shanxi Coking Coal during Pyrolysis2017年12月1日 The coal industry water withdrawal in the Northern, Middle and Eastern Shanxi coal bases accounts for 451%, 201% and 384%, respectively, of the total industrial water withdrawal 3 Changes to regional water resources under climate change scenarios To analyse the water resource variations in the study area over the coming years, we first Quantitative analysis of the waterenergyclimate nexus in Shanxi 2023年6月26日 Figure 2 is the initial and final states of the watercoal system and the watercoaloxygen system In the range of 0–4% water content, Shanxi Jinshen Energy Co LTD, Xinzhou, Effects of pore size, water content, and oxygencontaining

Analysis of Ecological Environment in the Shanxi Section of
2024年10月11日 As a major coalproducing area, the Shanxi section of the Yellow River Basin has been significantly affected by coal mining activities in the local ecological environment Therefore, an indepth study of the ecological evolution in this region holds great scientific significance and practical value 2023年1月1日 The definitions of deep mining can be summarized in two categories (Xie et al, 2006, 2012, 2015; He, 2014)The first one is defined according to the mining depth, and the other is defined based on the environment changes for the coal measures or the occurrence of rock disaster, such as high geostress, high ground temperature, high osmotic pressure, and strong Mechanical behaviors of coal measures and ground control 2010年9月23日 The landlocked north China province of Shanxi, identified in 1870 by the geologist Baron Richthofen as ‘one of the most remarkable coal and iron regions in the world’, was the site of a provincially‑defined national movement far removed from the better‑studied treaty ports and their articulate and prolific nationalists‘If Shanxi's Coal is Lost, then Shanxi is Lost!’: Shanxi's Coal 2021年12月1日 Shanxi is a major coal mining province in China; the ecological environment protection and restoration of its coal mining areas have an important impact on the ecological environment of the region Characterizing and attributing the vegetation coverage

Spatial Distribution Characteristics of Coal Mine Drainage Water
2022年10月13日 Coal mine drainage (CMD) reuse is an important method for optimizing water resource supply in arid/semiarid regions This study analyzed the spatial distribution of water quality, management, and utilization strategies for CMD in China In northwest, northeast, and north China, CMD was characterized by high levels of suspended solids, high salinity, 2024年9月1日 Combined with the adsorption behavior of internal water in the pores of lowrank bituminous coal (Fig 15), it is evident that as the internal water content in the coal samples increases, water molecules will preferentially occupy the effective adsorption sites in the micropores Even if initially adsorbed in the larger pores, they will Investigation of methane adsorption mechanism in Low 2006年1月1日 19 There are 10−16 coal seams, of which the No 1−4 coal seams are in the Shanxi Formation and No 5− The analyze the maceral and vitrinite reflectance of coal, the samples were pulverized Palaeogeography and coal accumulation for coal measures The excessive exploitation of mineral resources will lead to environmental pollution, resource depletion, environmental disaster, and other problemsLocation Map of the casestudy opencast mines in Shanxi

Mineralogy and geochemistry of the coal seam of Shanxi
2019年11月1日 Micrographs for the sandstone (G1) of the No 3 coal seam (a) Quartz, pseudomorphic betaquartz, chalcedony, sanidine, and kaolinite, crossed polarized light; (b As one of the largest coalrich provinces in China, Shanxi has extensive underground coalmining operations These operations have caused numerous ground cracks and substantial environmental damageMap showing the six large coal fields in Shanxi Province (left) 2022年8月1日 The coalbearing strata throughout Shanxi Province include the Pennsylvanian Benxi and Taiyuan Formations and the Lower Permian Shanxi Formation (Fig 2) The Taiyuan Formation is composed of interbedded coal, siltstone, mudstone and limestone and is thought to have formed adjacent to lagoonal and carbonate platform environments ( Cheng, 1992 Geochemistry of two highlithium content coal seams, Shanxi 2023年1月28日 Water inrush from old waterlogged goafs is a major cause of disaster in coal mines The conditions at Dongyu Mine (Shanxi Province, China) were analyzed from three aspects: water source, pressure and flow channels The waterinrush process has three stages: slow seepage, sudden increase and decrease, and slow decrease The mechanisms and Analysis of water inrush at Dongyu coal mine in China from an old water

The Historical Development of Shanxi’s Coal Industry as a
2016年11月23日 The previous chapters in this publication have examined coal mines and coal railways on a national scale Scaling down this national focus, this chapter will adopt a case study format and study railway development in China’s Shanxi coalbearing region as well as examine the Shenhua coal distribution system, a major coal producer in China based in Shanxi2011年12月23日 Rare earth element (REE) concentrations were determined in acid mine drainage (AMD), bedrock, pyrite, and coal samples from the Sitai coal mine and the Malan coal mine in Shanxi province, China The AMD displayed high REE concentrations with typical convex shalenormalized patterns The REE concentrations in the bedrock samples are one order of Behavior of rare earth elements in acid coal mine drainage in Shanxi 2023年10月9日 Context To investigate the impact of moisture on gas adsorption in gasfat coal, Shanxi gasfat coal was chosen as the research subject The Adsorption module within molecular simulation software was utilized to construct gasfat coal models with moisture contents of 0%, 114%, 226%, and 372% The results revealed that the isothermal adsorption curves of gas Simulated study on CH4 adsorption by Shanxi gasfat coal at 2017年12月1日 The coal industry water withdrawal in the Northern, Middle and Eastern Shanxi coal bases accounts for 451%, 201% and 384%, respectively, of the total industrial water withdra wal 3Quantitative analysis of the waterenergyclimate nexus in Shanxi

Discover China's coalrich Shanxi and its ancient charm
2024年8月22日 When it comes to Shanxi, many people's first impression is the limitless grandeur of the "Shanxi Coal Boss" Indeed, Shanxi is a significant energy province in China, especially a major coal province, accounting for 173% of the nation's reserve of resources and ranking third in the country It is, therefore, known as the "Sea of Coal in China"2023年11月16日 Water 2021, 13, 8 3 of 21 sustainable development of the economy and society and energy security There are 8 large river basins in Shanxi According to statistics, the coal mine areas in Shanxi Review: Acid Mine Drainage (AMD) in Abandoned Coal 2020年12月23日 Excessive exploitation and massive coal mine closures have brought about extensive goafs in Shanxi where 8780 coal mines have been abandoned in the last 20 years Acid mine drainage (AMD) poses severe environmental impact and has become a prominent problem in Shanxi abandoned coal mine areas, which has aggravated the shortage of water resources Review: Acid Mine Drainage (AMD) in Abandoned Coal Mines of Shanxi2022年6月6日 Both shales and tight sandstones have complex and heterogeneous pore systems that largely determine reservoir quality However, there are few published data integrating the pore structure of shales and tight sandstones in coalbearing sequences This study presents a pore structure characterization of the Carboniferous–Permian (C3t–P1s) Characterization of pore structure in Carboniferous

Change of regional water chemistry driven by group coal
2019年1月1日 The coal seams in northern China mainly exist in the Jurassic strata, which contains several aquifers [3,18,19] The mining of these coal seams will affect the quantity and quality of groundwater 2024年10月27日 The mechanism of the difference in bacterial community composition caused by environmental factors in the underground coal mine is unclear In order to reveal the influence of coal mining Coal mining activities driving the changes in bacterial