environmental assesment for underground coal mining
Frontiers | Comparison of Underground Coal Mining …
Different mining methods have different levels of environmental impact when mining underground coal resources. To identify the mining method with the …
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Coal Mine Methane 2022
"Why do coal mine methane assessments vary?"). Figure 1: Global coal mine methane assessments 34 37 40 43 52 54 63 86 0 25 50 75 US-EPA EDGAR GAINS IEA GEM Schwietke et al. CEDS MC2M Annual Mt CH 4 Comparison of annual global coal mine methane emissions assess-ments of the United States Environmental Protection …
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Risk assessment of gas explosion in coal mines based on fuzzy …
Methane has been regarded as one of the most deadly dangers in underground coal mining because of its explosion risk (Kong et al., 2018; Liang et al., 2019). According to statistics, 293 particularly serious accidents (leading to the death of over 30 people) occurred in Chinese coal mines from 1949 to 2016.
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Carbon emission assessment and control measures for coal mining …
The analysis result shows that the carbon emissions of producing tons of coal are 164.403 kg of carbon dioxide equivalent per ton. The analysis further emphasizes that the methane contributes the most, accounting for 62.21% of the total emissions, and plays an important role in the full life cycle of coal mining.
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Spatial estimate of ecological and environmental …
Introducing a hierarchical structure of ecological and environmental damage assessment in a mining area. •. Summarizing the ecological and environmental …
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Model of environmental life cycle assessment for coal …
It was concluded that an environmental assessment of coal mining operations, apart from direct influence from processing waste, methane emissions and drainage water, should include the use of electricity, heat and steel, particularly for steel …
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Environmental and other effects of mining and transport
UCG underground coal gasification UN United Nations ... 4.3 Environmental Impact Assessments (EIAs) and pre-planning 44 4.4 Closure, reclamation and remediation of mine land 47 ... Coal mining is an industry which has employed millions of people worldwide over centuries and has played
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(PDF) Operating Environment Assessment of the …
In order to achieve the objective and accurate evaluation of the operating environment of the coalface, the indexes of temperature, humidity, noise, illuminance, …
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Evaluation of eco-environmental quality for the coal …
The results show that the high-intensity mining area (previously mined area of Ili No.4 Coal Mine) has the worst ecological environment quality, followed by the coal …
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Groundwater impact assessment in mining
To quantify the environmental impact of coal mining, a mine's impact on ground- and surface water systems needs to be understood. This is difficult and subject to controversy because: ... These models were then enhanced by our deep knowledge of underground mining impacts on rock masses and aquifer hydrogeology, producing models with ...
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Groundwater impact of open cut coal mine and an
1. Introduction. Open cut coal mining is practiced in many parts of the world including Europe, South Africa, China, USA and Australia. Operations are commonly on a massive scale with individual mine pits sometimes exceeding 10 km 2 and 200 m depth. The very significant changes to the landscape and the disturbance of subsurface …
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GUIDELINES FOR THE INTEGRATED PLANNING AND …
mine owners, employers and managers in preparing mining plans and operational strategies in a structured and systematic manner was seen as a way of further enhancing the safety and health standards on all South African underground coal mining operations. This guideline document has been compiled with the assistance of many experienced …
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Impact assessment of coal mining on groundwater chemistry and …
Brajrajnagar coal mining area, in Jharsuguda District of Odisha, India is situated towards the central part of the Ib valley coal field. The study area occupies an area of approximately 400 sq. km and bounded by north latitudes 21°45′–21°55′ and east longitudes 83°48′–83°58′ (Fig. 1).In the Brajrajnagar coal mining area a number of open …
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Operating Environment Assessment of the Coalface in …
Operating Environment Assessment of the Coalface in Underground Coal Mining Based on Analytic Hierarchy Process (AHP) and Matter-Element Theory (MET) …
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Assessing impacts of mining: Recent contributions from GIS and …
Mining produces several environmental, social, and economic impacts which can be analysed spatially using remote sensing (RS) and geographical information systems (GIS). This paper provides an overview of recent studies using these techniques to assess mining impacts on water, land, and society. It also highlights the geographic …
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Fundamentals of modern ground control management in …
Australia's coal mining safety record outperforms that of the U.S., China and other major coal mining countries, with the fatal risks associated with strata failure typically well managed [2]. Large ground control failures resulting in unplanned delays to production and lost revenues do still occur relatively frequently but are often only ...
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12 Environmental Effects of Coal Mining
Another environmental effect of coal mining is "mine subsidence" -- the earth sinking as a result of a disturbance to its foundation. This occurs when the coal deep below our planet's surface is removed from its bed. #9 Topographical Alteration. Coal mining irreparably damages plant life and soil, creating barren patches of land that are not ...
ادامه مطلبLife cycle assessment of heat production from underground coal
Purpose In Poland, coal is the main fuel used for heat production. Innovative clean coal technologies, which include underground coal gasification (UCG), are widely developed. This paper presents the analysis results of life cycle assessment (LCA) and material flow analysis (MFA) of using synthesis gas from UCG for heat production. The …
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Opencast coal mining in India: Analyzing and addressing the air
Environmental Quality Management. Volume 16, Issue 3 p. 71-87. Features. Opencast coal mining in India: Analyzing and addressing the air environmental impacts. Mrinal K. Ghose, Mrinal K. Ghose. Indian School of Mines, Dhanbad. Search for more papers by this author. Mrinal K. Ghose,
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Strategies to address coal mine-created environmental …
Mining of coal around the world is being continued to meet the ever-growing energy demand. Mining involves extensive clearing of ground cover, change in …
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- DEP eLibrary
CIVIL PENALTY ASSESSMENTS 562-4180-306: 4600: COAL AND INDUSTRIAL MINERAL MINING INSPECTIONS 562-3000-102: ... SURFACE WATER PROTECTION UNDERGROUND BITUMINOUS COAL MINING OPERATIONS 563-2000-655: 4611: ... Pennsylvania Department of Environmental Protection Rachel Carson Building | 400 …
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Coal Mine Dust Exposures and Associated Health Outcomes
Exposure to Respirable Coal Mine Dust. This document had the following major recommendations: 1. Exposures to respirable coal mine dust should be limited to 1 mg/m3 as a time-weighted average concentration for up to a 10 hour day during a 40 hour work week; 2. Exposures to respirable crystalline silica should be limited to 0.05 mg/m3 as
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Underground Coal Mining Methods and Engineering …
When the 1969 Coal Mine Health and Safety Act was enacted, U.S. coal production was about 600 million tons with about 60 percent underground mining and …
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Effects of underground mining on vegetation and …
A combination of field assessments with remote sensing was used to examine vegetation patterns and responses to underground mining, while laying a foundation for environmental protec-tion. The study area lies in a vulnerable watershed exposed to hazards caused by underground coal mining, located on the southern edge of Inner …
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APPLICATION OF LIFE CYCLE ASSESSMENT (LCA) IN COAL MINING …
It is often outlined in the industry literature [18, 19] that in contrast to the LCA study performed by the authors, environmental assessments of mining and mining-related activities should be ...
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Washpool Coal Mine Project
Environmental Impact Statement (EIS) Assessment Report for the Washpool Coal Mine Project: 2 2 Project details Washpool Coal Pty Ltd, a wholly owned subsidiary of Aquila Resources Limited, is the proponent for the Washpool Coal Mine project. The project would involve the development of an open cut pit, mining up to 7.2
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Underground Coal Gasification | netl.doe.gov
Underground Coal Gasification (UCG) takes advantage of the same chemical reactions of coal to produce product gases, as those occurring in conventional gasifier reactors. The main difference is that in UCG the underground coal seam itself becomes the reactor, so that the gasification of the coal takes place underground instead of in a manufactured …
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Analysis of Risk Factors for Underground Coal Gasification
AbstractThe purpose of this article is to determine the environmental impacts of underground gasification on the population and to analyze the risk of underground coal gasification (UCG) activities using selected risk assessment methods. Coal gas is a regular part of coal deposits and its extraction also allows the use of coal deposits that cannot …
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Environment Impact Assessment of Coal Mining
Environment Impact Assessment of Coal Mining Dhruv Katoria1, Dhruv Sehgal2 and Sameer Kumar3 1Department of Environmental Engineering, ... as compared to underground mine. 1) Land - Around 4 ha of land is damaged for every million tons of coal mined by the surface mining. For instance, a capacity of 10 million-tons opencast coal
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Environmental Impact Assessment (EIA) Study of Coal …
Coal mining having adverse impacts on land, air, water, biodiversity, loss of livelihoods etc. due to displacement and ... (2013) "Environment Impact Assessment of Coal Mining", International Journal of Environmental Engineering and Management, pub- Research India Publications. ISSN 2231-1319, Vol- 4, No.-3, PP. 245-250.
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