آخرین محصولات
Research progress and prospects of coal petrology and coal
Lei JJ (1993) Occurrence of sulfur in coals from the Late Permian in Guizhou—Also on the structure, composition and genesis of high organic sulfur coal. Ph.D thesis, China University of Mining and Technology (Beijing) Lei JJ, Ren DY, Tang YG, Chu XL, Zhao R (1994) Sulfur-accumulating model of superhigh organosulfur coal from …
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APPLICATION OF LIFE CYCLE ASSESSMENT …
This study aims to determine the limitations and application of life cycle analysis in the mining industry as well as recommendations for innovation programs and strategies in supporting ...
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(PDF) Evaluating Impacts of Coal Mining in South African
Mining at Middelburg Colliery in the Witbank Coalfield commenced at the turn of the last century. Initially, there was little environmental degradation associated with mining activities; however ...
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Committing to coal? Scripts, sociotechnical imaginaries, and the
In terms of coal mining, mineral extraction in the Philippines is a legacy of its colonial past, particularly following the United States occupation (1898–1946) [48].The rapid industrialization in the United States during the first half of the 20th century – the same time it annexed the Philippines – required new and more energy resources.
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(PDF) COAL PRICES AND FINANCIAL …
The decline in coal prices has a negative impact on the decline in ROA. Azis et al. (2020) proved that coal prices can increase the profitability performance of coal mining companies. The increase ...
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THE HEALTH IMPACT OF COAL MINING: A REGRESSION …
Coal mining has a well-established detrimental effect on the health of coal miners who work in the mines or in direct vicinity to the coal mines. However, it is less clear how …
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Theses and Dissertations (Mining Engineering)
Competitiveness and performance prediction of surface coal Mining Engineering Budeba, M.D. ( University of Pretoria, 2016 ) The purpose of this research is to formulate mathematical models for assisting the management of either a new or operating surface coal mine to assess its competitiveness relative to other coal producers for a given ...
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OCCUPATIONAL HAZARDS AND RISK IN MINING INDUSTRY …
The findings of the study conclude in a proficient manner that coal mining activities not only put disadvantageous impact on its workers with its risky working environment but also impede the ...
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Cultural Identity, Vocational Development, and the Meaning …
from eight underground coal miners, the study investigates the connections between cultural values, career, and personality. These connections are singularly intertwined in …
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Department of Mining Engineering National Institute of
ii National Institute of Technology Rourkela CERTIFICATE This is to certify that the thesis entitled,-"Design of Systematic Support System for Development and Depillaring in Underground Coal Mines" submitted by Mr. Vikrant Dev Singh, 109MN0016, in partial fulfillment of the requirement for the award of Bachelor of Technology Degree in Mining …
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(PDF) THE ECONOMIC AND STRATEGIC VALUE …
Coal remains the world's most important energy resource and it reached the highest share of global primary energy consumption (29.9%) in 2012, which was the highest level since 1970 according to ...
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Coal Mining Essays: Examples, Topics, Titles, & Outlines
In 2006, production workers, earned $21.40 an hour in oil and gas extraction, $22.08 an hour in coal mining, $22.39 an hour in metal ore mining, and $18.74 an hour in nonmetallic minerals mining, compared to the private industry average of $16.76 an hour Figure 1 and Figure 2 below show the 'Average Earnings of Non-Supervisory Workers in …
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Safety Risk Assessment and Risk Prediction in Underground Coal Mines
L. Khandu (2020) Safety risk assessment and management in mining industry. B.Tech. Thesis, NIT, Rourkela, Spring, 2020. S.J. Butani, Relative risk analysis of injuries in coal mining by age and experience at present company. J. Occup. Accid. 10(3), 209–216 (1988) Article Google Scholar
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Dissertations / Theses: 'Coal mines' – Grafiati
The waste products acid mine drainage formed during coal mining and fly ash from coal burning power generation, pose substantial environmental and economic problems for South Africa. Eskom has developed a remediation system employing alkaline fly ash to neutralize and precipitate heavy metals from toxic acidic acid mine drainage …
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The application of geophysics in South African coal …
Coal remains South Africa's most abundant and cheapest source of energy, and there is an ever-increasing necessity for optimal and safe extraction of the remaining reserves. Increasing focus on cost-effective mining and …
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(PDF) COAL MINING METHODS
A coal mine in the central district of Botswana is experiencing premature failure of conical picks which mine 150-350 tons of coal/ pick rather than 400 tons/pick specification. ... Thesis (M.A ...
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Environment Impact Assessment of Coal Mining
underground mines in the earth crust. Coal mining is one of the most illegal activities going on in the country. At the same time it totally neglects the role of EIA in its pre-operational, during mining and post operational plans. Here various case studies of coal mining are done and the impact of coal mining to the environment is looked into with
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(PDF) Environmental Impact Assessment of Mining in India: A …
A Case Study on the effects of Coal Mining in the Environment Particularly in Relation to Soil, Water and Air causing a socio economic Hazard in Asansol-Raniganj Area, India IRJSS, 3(8), 39 ...
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DEVELOPMENT OF AN AUTONOMOUS NAVIGATION …
This Doctoral Dissertation is brought to you for free and open access by the Mining Engineering at UKnowledge. It has been accepted for inclusion in Theses and Dissertations--Mining Engineering by an authorized administrator of UKnowledge. For more information, please contact [email protected]. Masthead Logo Link. Masthead …
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Dissertations / Theses on the topic 'Coal mines and mining
The research presented in this thesis investigates one potential solutionâ or component of a solutionâ to improve the sustainability of surface coal mining in West ia: post-mining wind power. This thesis intends to demonstrate and explain the feasibility of synergistic mine closure and wind development.
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The impact of coal mining on the environment and community …
This dissertation investigates the facts, perceptions, concerns and conflicts in the mine-environment-community cause-effect chain in the context of the environmental and social …
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The impact of coal mining on the environment and community …
This dissertation investigates the facts, perceptions, concerns and conflicts in the mine-environment-community cause-effect chain in the context of the environmental and social impacts associated with the South African coal mining industry. ... Historically, coal mining has had a significant impact on the environment and there is substantial ...
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(PDF) THE ECONOMIC AND STRATEGIC VALUE …
The economic and social benefits of coal activities is often overlooked due to the international pressure to cut fossil fuel consumption. However, the transition away from fossil fuels requires...
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Analysis of Haul Truck- Related Fatalities and Injuries in …
The mining industry is a vital economic sector for many countries including the U.S. and comprises the utilization of coal, metal, and nonmetal minerals. According to the Mine Safety and Health Administration (MSHA 2014), there were 12,060 metal/nonmetal mines, 1,701 surface and underground coal mines in the U.S. in 2013.
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Ground Water Contamination in Coal Mining Areas: A Critical …
Ground water is becoming a major concern with respect to surface and underground mining of coal in many state of our country coal fields. Groundwater quality is being addressed in this review paper.
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"Mixed Up in the Coal Camp": Interethnic, Family, and …
this thesis argues that the "mixed up" quality of Stone Mountain Coal Corporation's coal camps stimulated a shared working-class identity that was then mobilized by the United Mine Workers of America (UMWA) on a scale previously not achieved in West ia's southern coalfields.
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Analysis of Roof Failure at the Intersections on a Coal Mining
Taking Yushupo Coal mine with a 16-m-thick coal seam as an example, the numerical results showed that the fractures in the roof appear 15~35 m ahead of the working face, and the maximum value of ...
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Mining Engineering Graduate Theses and Dissertations
Theses/Dissertations from 2022. PDF. Integrated Large Discontinuity Factor, Lamodel and Stability Mapping Approach for Stone Mine Pillar Stability, Mustafa Baris Ates. PDF. …
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(PDF) A review on utilisation of coal mine overburden dump …
He has key research interest in the field of mining environment (mine fill surface and underground), A review on utilisation of coal mine overburden dump waste 173 land reclamation, soil mechanics ...
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Competition for Land: The Water-Energy-Food Nexus and Coal Mining …
The Mpumalanga Province is a key source of South Africa's coal supply with over 60% of the province's surface area either being subject to mining rights or prospecting applications. Mpumalanga also possesses almost half of the country's high potential arable land. While South Africa is currently largely self-sufficient in terms of …
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