A New Risk Assessment Model for Underground Mine Water

Effective risk assessment of underground water inrush is the prerequisite and basis for mine water hazard control and safe mining. An inrush risk assessment system was set up, based on a comprehensive analysis of the factors of mine water inrush risk and improved analytic hierarchy process (AHP). A new judgment matrix was constructed …Web

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Understanding Why Coal Mines Close

Press Release. WASHINGTON—Coal mining is in decline, yet not going quietly. The competition is rough these days. It must compete with improved natural gas …Web

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Coal

Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbons, which contain energy that can be released …Web

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Sustainable Development of Underground Coal Resources in …

Underground coal mining using longwall techniques is very common in China and accounts for 90% of coal production . Due to different geologic conditions, other major coal producing countries mainly use surface mining, such as the USA, India, Australia, and Russia . Surface subsidence impacts caused by underground coal mining …Web

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Coal as an energy source and its impacts on human health

Coal miners have a significant decline in semen volume and seminal viscosity. It can be hypothesized that coal dust exposure might be responsible for its result since …Web

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'Rape Rooms': How West ia Women Paid Off Coal …

A woman from West ia told Harris and Kline a story about her great-grandmother who was "rented" to coal company agents at the age of 12. She would spend four to six months at a time in ...Web

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Climate campaigners take South Africa to court over …

Last modified on Fri 19 Nov 2021 08.44 EST. South Africa's plan to build new coal-fired power stations during the climate crisis is being challenged in court for breaching the rights of current ...Web

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Americans Largely Favor U.S. Taking Steps To …

The new Pew Research Center survey of 10,237 U.S. adults conducted from Jan. 24 to 30, 2022, finds that 69% of U.S. adults prioritize developing alternative energy sources, such as wind and solar, over …Web

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(PDF) The Dilemma of Natural Resources: Economic

The conclusion of this study shows that former rebels use limited access to natural resources as an opportunity for economic recovery and making coal mining one of the arenas of a new economic ...Web

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How New Hope earned its Acland smack-down

When news of the Land Court's rejection came through, we wondered how it could be that an existing mine of 15 years' standing that is proposing to extend within the boundaries of an existing ...Web

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The story of SA's biggest power plant, and its little town

Currently, coal mining in South Africa employs 87 000 people, of which the Grootegeluk coal mine employs about 3 300. Although coal may provide quality union jobs and part of South Africa's ...Web

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Union Leader Talks Coal and Climate

Although coal is on the decline in the United States, with the 289 coal-fired power plants shut down since 2019 representing 40% of the nation's coal power capacity, the world still heavily ...Web

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Coal Miners Union To Joe Manchin: Support Build Back Better

Dec 21, 2021, 04:36 PM EST. America's largest coal mining union that represents West ia coal miners is urging Sen. Joe Manchin ( D-W.Va .) to "revisit his opposition" to the Build Back Better Act. The United Mine Workers of America (UMWA) listed out the ways the historic piece of legislation that Manchin opposes would benefit the ...Web

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Coal use at U.S. power plants continues downward spiral; full …

To cut stockpiles, coal-plant owners are likely to turn to a straightforward solution: Buy less coal. That, of course, would directly affect coal mining in the U.S., …Web

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Report: Pace of coal plant retirements likely to increase

The U.S. is on track to cut its coal-based power capacity in half by 2026 from peak levels in 2011, according to a new report by the Institute for Energy Economics and Financial Analysis.Web

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Coal | Uses, Types, Pollution, & Facts | Britannica

Coal is an abundant natural resource that can be used as a source of energy, as a chemical source from which numerous synthetic compounds (e.g., dyes, oils, waxes, pharmaceuticals, and pesticides) can be derived, and in the production of coke for metallurgical processes. Coal is a major source of energy in the production of electrical …Web

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Mining News -- ScienceDaily

Learn about mining operations, safety and procedures. Follow new developments in the mining field. ... Mar. 28, 2023 — Scientists develop process to remove toxic heavy metals from coal fly ash ...Web

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The Public Health Conundrum of Coal Mining | Annals of the …

The Public Health Conundrum of Coal Mining. At first glance, the public health challenges of coal mining and their resolution seem straightforward. Coal miners …Web

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Australian teenagers' climate change class action case opens 'big …

The Australian Federal Court rules that Environment Minister Sussan Ley has a legal duty not to cause harm to young people of Australia by exacerbating climate change when approving coal mining ...Web

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Collapse of the coal industry: Problems and recommendations

Blackjewel, LLC, once the sixth-largest coal producer in the country, filed for bankruptcy in July 2019. Approximately 1,700 miners lost their jobs without warning and …Web

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Coal Miners Union Rebukes Manchin for Effort to Kill …

Dec 21, 2021. The push for passage of the Build Back Better Act got a potential boost late Monday as the United Mine Workers of America, the coal miners' union that Sen. Joe Manchin counts as a key ally, called on …Web

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Support or against coal mining? Host community perceptions of …

The first cluster holds a positive attitude toward the positive impact of coal mining, while it disagrees with the negative impact of coal mining. Their focus is on economic interests, and the impact factor is 4.16, followed by environmental interests …Web

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Coal returns to the China-Pakistan Economic Corridor

News that the Pakistan government plans to secure financing and start construction on a long-stalled 300 megawatt coal-fired power plant in the port city of Gwadar has triggered a debate on the direction of the country's energy sector. Set to be built and funded by Chinese state-owned entities, recent developments have also raised fresh …Web

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Kvanefjeld rare earths project, Greenland – update

The 2016 feasibility study estimated the project 's net present value at $1.59-billion, at a 10% discount rate. The internal rate of return is 43.4% with a payback of five years. The projected ...Web

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EPA: New pollution limits proposed for US coal, gas power plants

The Biden administration is proposing new limits on greenhouse gas emissions from coal- and gas-fired power plants. It's the most ambitious effort yet to reduce planet-warming pollution from the nation's second-largest contributor to climate change. The plan could force power plants to capture smokestack emissions using technology that …Web

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The benefits of legalising artisanal mining in South Africa

An estimated 10% of South Africa's gold production comes from small-scale and artisanal mining (ASM), which is explicitly banned as current regulations outlaw any activities that take place without a permit, including both invasive and merely informal mining. Due to its illegal status, ASM is a much as 90 times more dangerous than larger ...Web

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2. Public opinion on renewables and other energy sources

Some 41% favor more coal mining, while a 57% majority opposes this. And, 43% of Americans support building more nuclear power plants, while 54% oppose. Past Pew Research Center surveys on energy issues, using somewhat different question wording and survey methodology, found opinion broadly in keeping with this new survey. ...Web

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Arguments used against a ban on new coal mines or a coal …

The arguments in defence of maintaining/expanding coal mining in Australia. The CEO of the NSW Minerals Council, Nikki Williams told the Sydney Morning Herald in 2006 that "withdrawing our coal exports to crunch supply in the hope of encouraging the use of alternative sources of energy wouldn't even rate a hiccup" Willaims told the Sydney …Web

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UPDATE | 'Invalid'

File picture. Transnet will amend railing agreements with coal exporters as the state-owned enterprise continues to struggle with persistent security and legal issues which it believes constitute a force majeure. But at least one major coal company, Exxaro, disagrees. In a statement released by Thungela Resources, South Africa's largest ...Web

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These two Democrats are fighting over who hates Obama and …

Jones said he disagrees with Clinton on many things and has not said he will vote for her. Jones said he has fought for the coal industry and has been endorsed by the United Mine Workers of America.Web

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Coal returns to the China-Pakistan Economic Corridor

Pakistan's energy sector is dominated by fossil fuels. According to the country's Finance Division, as of April 2022, just under 60 per cent of total installed generation capacity used fossil fuels, including gas, oil and coal. Just 3 per cent of generated electricity in the 2022 fiscal year came from non-hydropower renewables.Web

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Impact of coal mining on stream biodiversity in the US and its

Metrics Abstract Coal mining is a major cause of land-use change in the US, and according to the Energy Information Administration it is expected to remain a key …Web

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Coal mining News, Research and Analysis

Articles on Coal mining. Displaying 1 - 20 of 113 articles. A 2023 rally against a proposed wind farm off the Wollongong coast. Dean Lewins/AAP November 29, 2023 ...Web

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Inside the Coal Industry's Rhetorical Playbook

Big coal makes a similar move when it claims the "war on coal" will lead to an economy in ruins and the collapse of the American way of life. A quintessential example is " If I Wanted America to Fail," a five-minute video produced by Free Market America, an organization whose mission is " to defend economic freedom against ...Web

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A new method to determine the sensitivity of coal and gas …

Coal and gas outburst (hereinafter referred to as outburst) is one of major disasters in deep coal mines. When an outburst occurs, large quantities of coal and gas are ejected into the space around the mining face in a few or tens of seconds (Beamish and Crosdale 1998; Liu et al. 2019; Zhai et al. 2016; Zhao et al. 2016).They directly impact …Web

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Uranium in Chinese coals: Concentration, spatial distribution, and

1. Introduction. According to current projections, 87% of the total available uranium deposits (as identified in 2019) will have been consumed by 2040 (NEA and IAEA, 2020).Uranium-bearing coal is potential resource and thus its development and utilization deserve attention (Yang et al., 2020).The distribution and occurrence of uranium in coals …Web

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Coal miners' union urges Manchin to reconsider opposition

The United Mine Workers of America (UMWA), which represents West ia coal miners, urged Sen. Joe Manchin (D-W.Va.) on Monday to revisit his opposition to President Biden's Build Back Bet…Web

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