· Environmental issues arise at every stage of the proc- ess. This paper will discuss environmental issues due to coal mining. In fact, environmental problems from coal mining have been studied since coal mining be- came industrialized. Nevertheless, environmental issues from coal mining have become important con- cerns only since the 1970â€™s.
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Witwatersrand basin and the coal mining areas of the Olifants catchment. At a national level we have established policies and strategies to avoid a repeat of the past. However, on the ground, prospecting rights for coal mining are being issued in some of our most precious and sensitive catchments.
The U.S. coal industry serves a vital role in the nation''s economy by producing fuel for more than half of its electricity. Despite the industry''s importance, industry financial data for 2005—the strongest year for the coal industry in recent years—shows that it is a relatively small industry with revenues totaling $20 billion to $25 billion and net income between $1 billion and $2 ...
The Mining Program attempts to identify issues emerging in the next 5 to 10 years and has identified production demands, workforce issues, and mining practices as areas of future concern. The committee foresees changes in the mining industry that can be predicted with certainty; other predictions represent educated conjecture.
· Mining (oil and gas, coal, and metal ore mining in particular) is a controversial sector in society. On one hand, mining provides jobs, economic boost, and valuable resources for everyday life. On the other hand, there''s concerns over environmental effects like land degradation, water pollution and air pollution, as well as the impact on wild ...
· The Office of Mine Safety and Health Research (OMSHR) conducted research to reduce spontaneous combustion risk in underground coal mines through the development of control methods and nitrogen injection strategies to prevent spontaneous heatings. The control methods include: (1) Optimizing the ventilation system to eliminate the possible ...
eMahlaleni District of Mpumalanga the coal mining city of Witbank has been grappling with major problems of acid mine drainage for a number of years (Sapa, 2013: McCarthy & Pretorius, 2009, pp. 61-2). Poverty-stricken communities living on the fringes of the coal
In August 2014 the Bench Marks Foundation released its Policy Gap 9 on South African coal mining. This report contains an exhaustive analysis of the problems created by the extraordinary concentration of coal mines in Mpumalanga: the awful living conditions of mine-affected communities and the lamentable failure of mining companies to meaningfully or positively engage with them; the ...
the Witbank coalﬁeld represents the largest conterminous area of active coal mining in South Africa. These coalﬁelds produce coal for power generation—the region supports 48% of the country''s total power generating capacity (Tshwete et al., 2006)—for export and for domestic consumption.
metallurgical coal. Underground multi-seam mining of the Waterberg resources is expected to involve different design and operational factors from current mining at the Witbank and Highveld coalfields. Underground mining with a high-extraction mining method such as longwall would be preferable in order to deliver coal at the highest tonnages at a
mining methods at the xstrata coal mine in witbank For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and ...
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The effects of mining coal on the environment. There are 2 ways to mine coal – Strip Mining and Underground Mining – both ways have their own impact to the environment and health. We know it but coal is such a cheap energy source that we don''t want to let go of it. The negative effects of coal mining cannot be disputed:
Coal mining threatens . people''s access to water in Mpumalanga, South Africa. u. South Africa is one of the thirty driest countries in the world. This is due to its geographical location and low annual rainfall, however, large-scale mining . operations also have an increasing negative impact on the country''s water quality and availability.
drainage from several mines in the Emalahleni (Witbank) area. The project is a joint initiative between mining companies Anglo Coal and BHP Billiton Energy Coal South Africa (BECSA). Commissioned in 2007, the plant desalinates rising underground water from Anglo Thermal Coal…
The generation of enormous volumes of mine-tailing waste is standard practice in the mining industry. Large quantities of these tailings are also sources of kaolinite-rich materials that accumulate in slag heaps, causing significant environmental degradation and visual impacts on the landscape. The consequences of coal refuse dumped in slagheaps calls for the study of eco-innovative solutions ...
management of that mine. Lind (2005) considered Analysis of Pillar Extraction Potential (A-PEP) as a convenient, intelligent tool, based on certain physical, risk, and economic factors, which could be used as a preliminary output indicator in consideration of the secondary extraction support pillars in the Witbank …
· Witbank Coalfield is the focus of coalmining in South Africa and currently accounts for about 53 % of the country''s coal production. One of the consequences of coal mining is the exposure of the coal to air and moisture resulting in the ignition of the coal through the processes of chemisorption, oxidation, and spontaneous combustion.
· Witbank City is an important centre helping the Mpumalanga and South African economy to achieve its full potential through its vast economic growth achieved over the past few years. It was established over a century ago back in the 1890s when about 20 underground mines or collieries were operating, and at the same time looking for more coal.
· The need for what might seem like such an obvious warning stems from the fact that South Africa''s coal sector has been spoiled perhaps by the detailed knowledge of the coal deposits in what has been the heartland of the country''s coal mining industry over the past decades, the Springs-Witbank, Ermelo and Highveld coalfields.
· The Transvaal and Delogoa Bay Colliery (T&DB Colliery) commenced operations in 1896 and was officially closed in 1953. After the closure of the mine, many areas of the mine collapsed and subsided. This resulted in a combination of problems, including acid mine drainage and spontaneous combustion giving rise to air pollution and further subsidence.
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· Since 1970, NIOSH has compiled data on the prevalence of CWP in underground coal miners. The attached figure shows a summary of this data. The prevalence of examined miners with 25 or more years of experience diagnosed with CWP was approximately 33% in the early 1970s. The prevalence dropped to less than 5% by the late 1990s.
Coal Mining Industry. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Surface mining and deep underground mining are the two basic methods of mining. Ethical issues in Coal mining industry:
The main coal mining areas are presently in the Witbank-Middelburg, Ermelo and ... past problems, together with strategies for mining small, disjointed thin-seam resource blocks, is required in KwaZulu-Natal. ... simply because it has the potential to contain the vast majority of the country''s remaining in situ coal
· Manzolwandle Investments, based in eMalahleni (Witbank), Mpumalanga, has applied for a mining right for coal, pseudocoal and torbanite in an area spanning 17975 hectares, near Komatipoort.
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Potential Strategies For Coal Mining Issues In Witbank. potential strategies for coal mining issues in witbank eMalahleni Water Reclamation Plantunfccc. 31 Jan 2012 . 23 Oct 2009 of opencast spoils from coal mines in the Witbank area Options considered . Get Price witbank coal mining department s numberUniversity .
· Proposed Coal Mine Threatens UNESCO Site in South Africa. A small company is set on forging ahead with plans for a proposed coal mine in South Africa''s Mpumalanga province despite outcries from concerned residents on potential threats to the UNESCO-designated Kruger National Park and nearby areas. Video Player is loading. This is a modal window.
Coal mining methods are briefly discussed as they have important environmental implications. There are three different ... A number of environmental problems have emerged as a result of coal mining. These are best exemplified by the ... Diagram showing the acid-producing potential of coal seams and their host rocks in the Witbank area.
conceptual site models (CSMs), one for the Witbank Coal Mining region and the other for Bank Colliery. A CSM for the socio-economic impacts has also been attempted. Examining the CSM results in the identification of data gaps and information needed for a full environmental assessment of mining in Witbank and provides the rational for EO selection.
fertility, that is why mining companies are removing high agricultural potential top soil in open cast mining. Once the coal has been washed with clean fresh Underground water AMD get released which turns to acidify the soil to the point that nothing grows and the rivers get more contaminated. Coal has been mined in Witbank and Middleburg for
Basin which includes the Witbank, Highveld and Ermelo coalfields (see Figure1 and Appendix1). Coal production in the Central Basin is likely to peak in the next decade. The Waterberg coalfield is the focus of recent exploration efforts and could become a major coal mining center in the future, subject to infrastructure and water constraints.
The coal market could be a potential driver of biodiversity and environmental ... Allocation of resources to biodiversity issues in the coal mining sector should be considered in terms the area currently and ... and a close-up view of the Witbank, Highveld and Ermelo coalfields (b – using the same legend as a) (Source: DME).....12 Figure 3. ...
· BHP Billiton Energy Coal South Africa (BECSA), a wholly owned subsidiary of BHP Billiton, operates a three coal mines in the Witbank Coalfield, Mpumalanga Province.(BHP Billiton Energy Coal South Africa was, up until the end of January 2007, known as Ingwe Collieries Ltd.). BECSA produced approximately 31.7 million tonnes in 2008/2009, down from 48 million tonnes the …
In South Witbank mine the underground mining ended in 1975 and all activities in 1991 (period of inactivity between 1975-1989). The coal mines serve as large reservoirs of surface and underground water. (Mey et al. 2008, Hutton et al. 2009, Bhagwan 2012, WCA 2014) Need for water reclamation. The coal mining activities have had various negative ...
· The review deals with the key issues and various research outcomes that may help the coal industries and policy makers in mitigating the carbon emission reduction within the coal-mining sector. The review also suggested certain mitigation strategies to be adopted during coal mining to cut down the GHG emissions into the atmosphere.
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Witbank junior coal miners have the potential to achieve considerably higher levels of success in their operations, marketing and earning capacity than is currently the case. Investigations undertaken in this study have found that, by taking certain steps, even the
V.4.2 Water quality issues Coal mining is a major potential source of diffuse water pollution. Sulphate is a good indicator of salinity arising from this form of pollution. Approximately 70-80 per cent of the sulphate load in the Witbank Dam catchment emanates from diffuse sources and can be attributed to coal mining.