Gangue stacking agreement

Experimental study of the effects of stacking modes on the

2019年3月1日  Study on the secondary oxidation behavior and microscopic characteristics of oxidized coal gangue Environmental science and pollution research Spontaneous 2019年3月1日  This study targeted the coal gangue stacks of the Chengzhuang Coal Mine, located in China’s Shanxi Province The results of programmed heating tests helped Experimental study of the effects of stacking modes on the 2019年7月31日  Abstract: In order to realize the recognition of coal gangue in the top coal caving process, a scheme of the coal gangue recognition based on the collision vibration signal Vibration Test of Single Coal Gangue Particle Directly Impacting 2024年2月28日  In this paper, through laboratory tests and numerical simulations, the bearing characteristics and deformation damage of gangue are deeply investigated and analyzed from Study on the macro–micro evolution of compaction Nature

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Coal gangue is the solid waste produced during coal mining and dressing by washing It accounts for about 15%–20% of coal output and is one of the solid wastes with the maximum emissions Coal gangue is the largest output of industrial solid wastes in China The stockpiling of coal gangue is caused severe environmental impact for the ecological environmentIt is important Coal Gangue Stacked and Its Comprehensive Utilization2023年3月10日  It was speculated that the coal gangue stacking probably brings HMs to the surface soil by two primary pathways: rainfallleachates and input of weathered coal gangue Tracing and quantifying the source of heavy metals in agricultural 2017年2月15日  Longterm stacking of coal gangue potentiates PAHassociated carcinogenic risks • PAHcontaining soil around coal gangue stack areas enhances cancer cell metastasis Polycyclic aromatic hydrocarbon (PAH)containing soils from coal

Performance Analysis of Coal Gangue Recognition Based on

Under the combined effect of the HF method, wrapper feature selection method and Stacking, coal gangue recognition accuracy reaches 99% This paper demonstrates the effectiveness of 2021年5月19日  This study provides experimental evidence for the ecological risk assessment of soil and the selection of maize cultivars with high environmental pollutant tolerance for use in coal gangue stacking areas and reveals that the agricultural soil leachate treatment could inhibit seed germination and the growth of roots and shoots and that the soil leachinginduced The phytotoxicities of agricultural soil samples from a coal gangue 2018年12月1日  Request PDF Experimental study of the effects of stacking modes on the spontaneous combustion of coal gangue Coal gangue is a solid waste material which is generated during coal mining processesExperimental study of the effects of stacking modes on the 2023年5月25日  Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production []The Lowcarbon utilization of coal gangue under the

Heavy metals in soil from gangue stacking areas increases

2021年6月1日  Request PDF Heavy metals in soil from gangue stacking areas increases children health risk and causes developmental neurotoxicity in zebrafish larvae Coal is the main energy source in China 2019年7月31日  Results show that the coal gangue recognition rate with the same recognition algorithm by using the intercepted signal samples is higher than that of the feature vector samples, and the Staking integration algorithm based on the feature vectors has the most significant comprehensive advantage in top coal caving process In order to realize the Vibration Test of Single Coal Gangue Particle Directly 2023年3月10日  Historic coal gangue stacking probably brings heavy metals (HMs) into the surrounding agricultural soil, posing potential harm to human and environmental healthFor better controlling and preventing agricultural soil HMs pollution, the screening of priority pollutants and identification of their pollution pathways are urgent in coal gangue stacking areasTracing and quantifying the source of heavy metals in agricultural Coal gangue stacking Village soil sample Zebrafish embryo Hypothalamuspituitarythyroid axis Developmental toxicity abstract The total accumulative stockpiles of gangue from longterm coal mining exceed 1 billion tons and occupy 182 square kilometers, and 50 million tons of additional gangue are generated per year in Shanxi, a majorEmbryonic exposure to soil samples from a gangue stacking area

Polycyclic aromatic hydrocarbon (PAH)containing soils from coal gangue

2017年2月15日  Considering the stacking characteristics are highly heterogeneous, the potential cancer risks from the presence of polycyclic aromatic hydrocarbons (PAHs) remain elusive This study aimed to determine whether PAHcontaining soil around coal gangue stacking areas poses a potential cancer risk and contributes to cancer cell metastasis2024年1月2日  Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw Coal gangue‐based ceramics foams by water spray granulation 2021年11月10日  Our results confirm that both the coal gangue and the village soil from the three gangue areas with different stacking characteristics have potential noncarcinogenic risks to local children Specifically, the highest noncarcinogenic risk presented by the village soil sample from GJ was attributed to the high content of heavy metals in the village soilHeavy metals in soil from gangue stacking areas increases 2024年3月1日  Coal gangue is a kind of solid waste A highductility cementcalcined coalganguepowdercompositebased rapid repair material (HDRRM) was prepared by partially replacing cement with calcined Environmental hazards and comprehensive utilization of solid

Study on secondary oxidation characteristics of coal gangue at

2023年8月1日  Coal gangue spontaneous combustion has caused serious environmental and ecological problems To investigate the reaction kinetic parameters of the gangue and the exothermic characteristics of the signal intercepting and the coal gangue impact vibration signal recognition algorithm by Stacking integration are innovatively proposed Firstly, a single particle impact on the metal plate test Vibration Test of Single Coal Gangue Particle Directly Impacting 2024年6月28日  The longterm storage of coal gangue (CG) mountains causes serious environmental problems such as water and air pollution Thus, sustainable reclamation practices are urgently needed to minimize Feasibility Analysis of BacterialTreated Coal Gangue for Soil 2023年12月1日  The coal gangue mainly contains Al 2 O 3 and SiO 2, which can be used as aggregate [6], while a small amount of alkali metal oxides such as Na 2 O, K 2 O, CaO, and Fe 2 O 3 can be used as modifier or flux [7]Based on this, it can prepare porous foams based on aluminosilicates [8], [9] and doped modified asphalt [10], [11]In addition, its application Al and other critical metals coextraction from coal gangue

Characterization and Ecological Risk Assessment of Toxic Metal

2023年10月16日  To better understand the toxic metal pollution caused by coal mining activities, the concentrations of Ni, Zn, Cr, Cd, Cu, As and Pb in the soil around the coal gangue hill in a coal mine area of Huainan, China were measured, the soil pollution degree was assessed with the single factor index, Nemerow pollution index and potential ecological hazard index method 2023年3月18日  The pollution of heavy metals in soil caused by exposed coal gangue and its prevention and control has become a hot issue restricting the green mining of coal in China Nemerow integrated pollution index (NIPI), potential ecological risk index (RI) and human health risk assessment model were used to evaluate the pollution and risk of heavy metals (Cu, Cr, Spatial distribution characteristics and risk assessment of soil 2021年10月1日  Seven cultivars of maize seeds were treated with agricultural soil leachate around the coal gangue stacking area at various concentrations of 0, 1:27, 1:9, 1:3, and 1:1The phytotoxicities of agricultural soil samples from a coal gangue 2017年2月15日  The total accumulative stockpiles of gangue in China comprise 45 billion metric tons, and approximately 659 million tons of additional gangue are generated per year Considering the stacking characteristics are highly heterogeneous, the potential cancer risks from the presence of polycyclic aromatic hydrocarbons (PAHs) remain elusive This study aimed Polycyclic aromatic hydrocarbon (PAH)containing soils from coal gangue

Environment influences and extinguish technology of spontaneous

2017年10月1日  Semantic Scholar extracted view of "Environment influences and extinguish technology of spontaneous combustion of coal gangue heap of Baijigou Experimental study of the effects of stacking modes on the (opens in a new tab) •API License Agreement The Allen Institute for AI (opens in a new tab) By clicking accept 2020年1月11日  Coal ganguebased cemented backfill material (CGCBM) is developed for backfilling the goaf in coal mines As fresh CGCBM slurry is generally transported into underground openings through a (PDF) Performance of Coal GangueBased Cemented 2018年2月1日  Deformation prediction and analysis of underground mining during stacking of dry gangue in openpit based on response surface methodology February 2018; Journal of Central South University 25(2 Deformation prediction and analysis of underground mining 2016年12月1日  Request PDF Polycyclic aromatic hydrocarbon (PAH)containing soils from coal gangue stacking areas contribute to epithelial to mesenchymal transition (EMT) modulation on cancer cell metastasis Polycyclic aromatic hydrocarbon (PAH)containing soils from coal gangue

Embryonic exposure to soil samples from a gangue stacking area

2019年12月1日  Coal gangue hills are prone to spontaneous combustion and heat release during the stacking process, resulting in an increase in the temperature of the coal gangue hills, accelerating its physical and chemical weathering process and discharging harmful heavy metals, radioactive elements, polycyclic aromatic hydrocarbons (PAHs) and other organic pollutants 2022年12月1日  Historic coal gangue stacking probably brings heavy metals (HMs) into the surrounding agricultural soil, posing potential harm to human and environmental healthTracing and quantifying the source of heavy metals in agricultural Coal mining and washing is accompanied by the production of large amounts of coal gangue, which exerts a notable influence on the natural environment However, as a form of solid waste, coal gangue exhibits a wide range of potential applications in the field of recycling Nowadays, 'the utilization rate and quality of coal gangue are inadequate, and the disposal capacity and scale Environmental hazards and comprehensive utilization of solid Historic coal gangue stacking probably brings heavy metals (HMs) into the surrounding agricultural soil, posing potential harm to human and environmental health For better controlling and preventing agricultural soil HMs pollution, the screening of priority pollutants and identification of their pollution pathways are urgent in coal gangue stacking areasTracing and quantifying the source of heavy metals in agricultural

The phytotoxicities of agricultural soil samples from a coal gangue

2021年5月19日  The National Development and Reform Commission of China (NDRCC) estimated that as of 2011, China had accumulated 45 billion metric tons of coal gangue nationwide around coal fields, with an annual increase of approximately 659 million tons of coal gangue (NDRCC 2012)Coal gangue accumulation are prone to spontaneous combustion 2024年2月28日  In the software PFC3D simulation, as the particle size of gangue particles increases, it has a significant effect on the natural stacking porosity of the specimen, and gangue particles are more Study on the macro–micro evolution of compaction Nature2013年3月18日  A field survey was conducted to investigate the metal contamination in coal gangue, soils, and crops (rice and soybeans), and to evaluate the possible health risks to the local population through food chain transfer near a coal gangue pile in the Guqiao Coal Mine, China Contamination levels of zinc, lead, cadmium, and copper in coal gangue, soils, and crops were Transfer of Metals from Soil to Crops in an Area near a Coal Gangue 2021年5月19日  This study provides experimental evidence for the ecological risk assessment of soil and the selection of maize cultivars with high environmental pollutant tolerance for use in coal gangue stacking areas and reveals that the agricultural soil leachate treatment could inhibit seed germination and the growth of roots and shoots and that the soil leachinginduced The phytotoxicities of agricultural soil samples from a coal gangue

Experimental study of the effects of stacking modes on the

2018年12月1日  Request PDF Experimental study of the effects of stacking modes on the spontaneous combustion of coal gangue Coal gangue is a solid waste material which is generated during coal mining processes2023年5月25日  Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production []The Lowcarbon utilization of coal gangue under the 2021年6月1日  Request PDF Heavy metals in soil from gangue stacking areas increases children health risk and causes developmental neurotoxicity in zebrafish larvae Coal is the main energy source in China Heavy metals in soil from gangue stacking areas increases 2019年7月31日  Results show that the coal gangue recognition rate with the same recognition algorithm by using the intercepted signal samples is higher than that of the feature vector samples, and the Staking integration algorithm based on the feature vectors has the most significant comprehensive advantage in top coal caving process In order to realize the Vibration Test of Single Coal Gangue Particle Directly

Tracing and quantifying the source of heavy metals in agricultural

2023年3月10日  Historic coal gangue stacking probably brings heavy metals (HMs) into the surrounding agricultural soil, posing potential harm to human and environmental healthFor better controlling and preventing agricultural soil HMs pollution, the screening of priority pollutants and identification of their pollution pathways are urgent in coal gangue stacking areasCoal gangue stacking Village soil sample Zebrafish embryo Hypothalamuspituitarythyroid axis Developmental toxicity abstract The total accumulative stockpiles of gangue from longterm coal mining exceed 1 billion tons and occupy 182 square kilometers, and 50 million tons of additional gangue are generated per year in Shanxi, a majorEmbryonic exposure to soil samples from a gangue stacking area 2017年2月15日  Considering the stacking characteristics are highly heterogeneous, the potential cancer risks from the presence of polycyclic aromatic hydrocarbons (PAHs) remain elusive This study aimed to determine whether PAHcontaining soil around coal gangue stacking areas poses a potential cancer risk and contributes to cancer cell metastasisPolycyclic aromatic hydrocarbon (PAH)containing soils from coal gangue 2024年1月2日  Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw Coal gangue‐based ceramics foams by water spray granulation

Heavy metals in soil from gangue stacking areas increases

2021年11月10日  Our results confirm that both the coal gangue and the village soil from the three gangue areas with different stacking characteristics have potential noncarcinogenic risks to local children Specifically, the highest noncarcinogenic risk presented by the village soil sample from GJ was attributed to the high content of heavy metals in the village soil

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