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little insight has been derived with respect to the evaluation of ecological effects in PEIA of coal mine. The aim of this study was to develop a systemic method of ecological vulnerability based on GIS to be used in environmental impact assessment of mining area planning. The method was applied to evaluate
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Apr 22, 2022Based on this, the research content of this paper is as follows: (1) Taking Ibei coalfield as an example, analyzing the natural geographical conditions, geological mining conditions and ecological environment conditions, constructing the indicators evaluation system of EEQ in the mining area.
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Acidic mine waters have a marked influence on the surrounding environment and pose a serious threat through long-term environmental degradation. Therefore, it is important to improve and monitor water quality with the aim of decreasing the hazard presented by this effluent emission. The aim of this work was to evaluate the remediation of mining wastewater effluents by chitosan microspheres ...
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This study focused on using analytical and numerical models to develop and manage groundwater resources, and predict the effects of management measurements in the groundwater system. Movement of contaminants can be studied based on groundwater flow characteristics.
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The objective of this study is to estimate the aquifer vulnerability in the West Bokaro coalfield, Jharkhand, India, by using a geographic information system (GIS)-based DRASTIC model. The DRASTIC model incorporates seven hydrogeological data, i.e. depth of water table, net recharge, aquifer media, soil media, topography, impact of vadose zone and hydraulic conductivity. The model was ...
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Introduction. Ecosystems in a mining area are complex and shaped by interactions between the natural environment and the social environment dominated by the local development and utilization of mineral resources [1, 2].China's cumulative subsidence area created due to coal resource exploitation has been estimated to cover more than 1.5 million hm 2 by 2020 and will continue to increase at a ...
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Bachelor of Mining Engineering, distance learning degree programs for adult learners at the bachelors, masters, and doctoral level. As a nontraditional university, self paced programs taken online, by correspondence or home study. Fast track affordable degree programs allow professional adults to finish college earn a degree and advance their careers.
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Firstly, we analyzed the ecological environmental effect of the coal mining area according to Pigovian Tax theory and, according to the results of the analysis and the demand for the selection of evaluation indices by the comprehensive evaluation, built the corresponding comprehensive evaluation index system.
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long-term research has been conducted on the inducing mechanisms of ground subsidence affected by coal mining; however, accurately predicting the surface subsidence range and its hazard degree is challenging because of the complicated influencing factors (lee et al 2013, howladar and hasan 2014, jung et al 2014, taylor et al 2014, sahu et al 2017 .
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the results show that: 1) the vulnerability of land use shows an increasing trend from 1994-2014, and most of the landscape types show a strong dominant vulnerability; 2) the adaptive capacity of land use gradually became unstable under the influence of human-land coupling, and the land-use environment showed the trend of transformation from .
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Sponsored by the Environmental & Water Resources Institute (EWRI) Menu. Find my institution. Log in / Register. 0 Cart. ... the water pressure and the thickness of the bottom clay layer have a major influence on the risk of a water-sand inrush under a loose aquifer; and the predicted results of 23 sets of samples are consistent with the results ...
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The aim of this study was to characterize and identify the cytotoxic and mutagenic potential of soil samples from the cities of Aceguá, Bagé, Candiota and Pinheiro Machado, near a large coal-fired power plant. Our study describes soil characteristics and contributes to the evaluation of the genotoxic activity of coal mining and burning, using ...
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Human Factor Analysis and Classification Systems Method for Coal Mines (HFACS-CM) was used in this study to analyze human factors that cause workplace accident, starting from the level of unsafe acts, preconditions for unsafe acts, unsafe leadership, organizational influences, and external environmental factors.
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3.3. The Steps of Fuzzy Analytic Hierarchy Process. The main factors of mine road accidents include vehicle performance, driver, traffic condition, management and maintenance and environment based on the investigation of the existing highway safety. Of which the driver is the most important factor for traffic accidents.
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Contact Information. 215-814-5000, or 800-438-2474 in the Region 3 states. Use an online form to submit comments. Hotlines: Main EPA hotlines page. Business Assistance - 800-228-8711. Superfund - 800-553-2509. Emergencies: To report spills and environmental violations, call the National Response Center at 1-800-424-8802.
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Table 1: Environmental Impacts of Okobo Coal Mining Operation Impacts Increase in road traffic volume Increase in noise Pressure on existing infrastructure, Increase waste generation Soil and Groundwater Contamination Decreased quality of run- off Reduction in air quality Acid Mine Drainage Option Yes No Yes No Yes No Yes No Yes No
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This study aimed to better understand factors associated with alcohol use within the coal-mining industry, including a range of personal, social, workplace and employment characteristics within the PSC framework, with the aim of informing workplace health policy and interventions.
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it means that, in the process of implementation of mineral and coal mining venture activities, it is necessary to consider effects of local autonomy on license system and also its relationship with environmental permit as defined in the act of development and environmental inspection as a new trend and also new trend of .
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Striking a balance between high-intensity coal mining and environmental protection has been a challenge in the Yushen mining area, which is an important coal production base in China located in an arid and semi-arid ecologically fragile environment. The 122,109 working face of the Caojiatan coal mine was used as a model to coordinate coal production with ecological protection. Theoretical ...
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By studying the scientific subsiding control methods around the world and the experiences obtained during the subsiding land control at some coal mines, it was concluded that the control processes of subsiding land are influenced by a variety of factors. These factors can be broadly divided into geographical factors ( y1) and social factors ( y2 ).
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The former ushers in a sweeping overhaul of mining regulations, which activists warn will make it easier for companies to dig for coal, unconstrained by environmental or social safeguards.
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Input: Economic Factors. Throughout the 1980s and 1990s, depressed prices for energy and commodities resulted in severe contractions in many extractive industries. Employment in the coal, metal mining, and oil and gas industries was particularly hard hit. In recent years, as worldwide demand has picked up, prices have increased substantially ...
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rivers, groundwater and high potential arable soils. The following lists the environmental effects of coal mining onagricultures natural res ources. BFAP has not undertaken any environmental impact analysis and, therefore, section of the report only provides an overview of studies that have already been conducted with respect to the environment and
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The geological environment is important for the development of coal enterprises. In the Guqiao coalmine, the information of coal mining subsidence, terrain landform, coal gangue utilization, mine water treatment and several on-site investigations have been analyzed. It holds that its geological environment can be evaluated from three aspects, i.e., geological disasters, terrain and landform ...
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Particular focus is placed on coal mining in the Mpumalanga Province, which accounts for over 84% of South Africa's coal production. This was done with a view to developing a better understanding of the interrelationships between the coal mining industry and the local environment and society in which it operates.
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1.3.3. Open pit mining 8 1.4. Underground coal mining 9 1.4.1. Room and pillar 9 1.4.2. Longwall 12 1.5. South African coal mining context 13 1.5.1. History of the South African coal mining industry 13 1.5.2. Current status of coal mining in South Africa 15 1.5.3. The role of South African coal market plays globally 18 1.6. Purpose of the study ...
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This report presents the results of chronic toxicity studies undertaken in 2015 for Teck's steelmaking coal mining operations in the Elk Valley. The report interprets results by evaluating correspondence between water chemistry and toxicological responses and identifies recommendations for revision or augmentation of planned future programs.
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In addition to sampling community perceptions of mining activities, the study prescribes interventions that can assist in mitigating the negative impacts of mining. Marked environmental and interrelated socio-economic improvements can be achieved within regional artisanal diamond and gold mines if the government provides technical support to ...
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Mar 3, 2022With China's economic and social development entering a new era, the improvement of miners' living standards and safety production conditions in coal mine are bound to have a new impact on the safety needs of miners. In order to explore the structural changes of miners' safety demands in the new era, this research adopts the second-order confirmatory factor analysis method to investigate ...
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Evaluation of ionic contribution to the toxicity of a coal-mine effluent using Ceriodaphnia dubia. ... and several biotic indices in a previous study suggested that TDS caused by a coal-mine effluent was the primary stressor. Further acute and chronic testing in the current study with Ceriodaphnia dubia in laboratory-manipulated media indicated ...
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Heat stress evaluation at the working face in hot coal mines using an improved thermophysiological model ... The site measurements were done in a hot coal mine with an average mining depth of 800 meters. ... [18] Wacławik J. (2010). Numerical model of heat exchange between a worker body and the hot environment, Archives of Mining Sciences, Vol ...
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Tel.: +86-13240427067. E-mail address: renfeipan1983@163. The 6th International Conference on Mining Science & Technology Coal mine safety evaluation based on the reliability of expert decision Hou Yun-, Pan Ren-fei*, Wu Ji-yan, Wang Bao-ping College of Resource and Safety Engineering, China University of Mining & Technology (Beijing ...
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This study, therefore, evaluates the impacts of coal mining in South Africa relative to achieving society 4.0 in the country. Mpumalanga province was used as a case study as mining activities are...
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The idea of green mining was proposed as a practical approach to make the mining industry more sustainable than before. Green mining is a contemporary mining model centered on the sustainability of resources, environment, and socio-economic benefits. Its purpose is to develop and apply technologies and processes that increase environmental performance while maintaining competitiveness ...
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Abstract Coal mining often brings negative impacts to land and eco-environments. How to quantitatively evaluate this impact at a regional scale, and assess its related influences in mining and nonmining areas from an ecological viewpoint is important and a challenge.
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Evaluation index system is built that contains the influence of mining development on geo-environment, basic geology and ecological environment, a total of 15 indexes. Dividing the study area into 169 square units which length is 4km and using information weight method to calculate the weight of evaluation index.
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The experimental research proves that the water interception curtain technology is suitable for Yuanbaoshan open-pit coal mine, and provides key technical parameters for the follow-up project, improves the water interception curtain technology system of open-pit coal mine of China. Keywords: Yuanbaoshan open-pit coal mine, water cutoff curtain,
Get priceThe influence of mining fissure on reservoir seepage were evaluated on the basis of analyzing the influence of mining fissure on rock mass integrity and seepage. The evaluation results show that the maximum leakage caused by goaf is 1004.41m 3 /d, which accounts for 0.87% of the designed annual runoff.
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A microseismic (MS) monitoring system in a mine can monitor the MS signals generated by coal rock rupture and blasting waves and can distinguish the two types of waves more clearly to monitor and analyze the rupture and evolution process of coal rock.
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Some polynuclear aromatics (PNA) have been found to be potent carcinogens for all tissues and organs of experimental animals that have been exposed to them, but different dose levels are needed for these effects. They have been known for decades to cause cancer at the site of application but also at certain sites distant from the area of contact. Although some hydrocarbons are potent and ...
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