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Surface mines offer advantages and disadvantages when compared to underground mining. Amongst the advantages are that it is cheaper, can recover more of the resource (usually up to within the mining excavation), is safer and can use largerscale mining equipment offering higher production rates.
Feb 25, 2015· The following is a closer examination of the pros and cons. The Pros of Strip Mining. 1. High Recovery Rate Other forms of mining do not guarantee the same rate of return as strip mining does. Materials are recovered at a rate of up to 90 percent during strip mining, which is a much higher recovery rate than most forms of mining can promise.
Although clean coal is a positive evolution in the field of coal energy, we are essentially using the same technologies that our forefathers developed in the industrial revolution. The pros and cons of coal energy show us that this technology has had a positive impact on society in the past, but our future may .
The electricity to power it may come from coal, oil, or gas brought from underground. ... The advantages and disadvantages of mining can be determined based on facts uncovered by scientists and by ...
mining method mining underground coal deposits, in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams. Minerals A naturally occurring solid element or inorganic compound with a crystal structure, a specific chemical composition, and .
The pros and cons of coal mining may offer an economic benefit, but at a disadvantage to the environment. We are still going to use coal to heat our homes and have access to power, but if we can limit how much coal is needed, we could have a huge impact on the world for future generations.
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:
Jan 16, 2013· Advantages and Disadvantages of Coal as a Energy Source Advantages: ... Underground coal mining is dangerous because caveins and explosions are common which in turn, costs many miners their lives ... malik aayan May 21, 2014 at 10:14 PM. Thank you so much for posting. I have been looking for something like this.
Coal power stations are relatively easy to build, and they can be built almost anywhere. The disadvantages of using coal: Coal produces large amounts of greenhouse gas emissions, including carbon dioxide, when burned in power stations. The processes of mining and transporting coal produce even more greenhouse gas emissions.
Jan 20, 2017· Coal is an organic rock that is extremely valuable to humanity because it is highly combustible. Composed mainly of carbon oxygen and hydrogen, coal is a primary source of energy that we use for a lot of applications. Today we talk about some of the most important coal advantages and disadvantages that will boost your knowledge on the matter.
Often ignored are the social and economic benefits of coal mining. These benefits go far beyond the energy it provides and the products like steel and cement that are made from coal. Coal mining supports local communities and provides a big boost to regional and national economies. The presence of coal mining supports economies in many ways.
Aug 05, 2015· Advantages of Coal as Power Plant Fuel ... Moreover, coalmining techniques are continuously enhanced to ensure that there is a constant supply of coal .
What are the disadvantages of using coal? Some primary disadvantages of coalfired plants are the emission of Greenhouse Gases (GHG), Land Degradation, dangerous byproducts, deforestation desertification of habitat due to mining, and release of toxic waste in the environment that threatens both the earthlings and marine life.
Sep 05, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks. In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas. The major disadvant...
Jan 14, 2017· 10 Serious Pros and Cons of Coal Energy. Jan 14, 2017 May 18, 2016 by Editor in Chief. Aside from other sources of energy for mankind, coal has enabled the production of affordable energy. In fact, it has been a primary choice to build power plants around the world due to its low cost and abundance. ... Deaths Due to Coal Mining Since the ...
Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices. Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes. These processes also have an impact on the atmosphere from the emissions of carbon which have ...
Fires connected to coal mining create underground burning that can be difficult to remove. Established communities sometimes need to move to avoid the pollution of the coal mines as well, displacing people from their homes. The advantages and disadvantages of coal require a balance of current power needs and environmental management.
Advantages of using microorganisms for mining include all of the following except reduced. D) time to remove minerals ... may contaminate groundwater. The most effective water heater. D) is a tankless instant water heater fired by natural gas ... underground coal mining. Keeping energy prices artificially low. D) Does all these answers.
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Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 12 m thick). The longwall "panel" (the block of coal that is being mined) is typically 34 km long and 250400 m wide. Longwall mining produced 176 million tons of coal in 2007, about 15 percent of total production.
Apr 27, 2015· Historically speaking, underground mining not only saves the mining area''s original form but also gives the mining company higher revenues. According to, longwall mining, a type of underground mining that utilizes a longwall shearer, accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining.
May 15, 2014· The Disadvantages Of Coal. Death – Coal mining is one of the main reasons why lots of people die. Because of this, the government created several policies in order to lessen that increasing rate of death. Greenhouse Gas Emissions – Coal can generate carbon dioxide that has been collected for several years from the dead bodies of both animals and plants.
Coal can be cleaned and/or turned into a liquid of gas but this technology has yet to be fully developed and adds to the expense of creating fuel via coal Coal mining can scar the landscape and the equipment used for mining is large and noisy which may affect local wildlife
The main disadvantage of coal mining is that it is very hazardous to the health of the people involved in mining, while also having serious negative effects on the environment. Another disadvantage of coal mining is that it is a nonrenewable energy source that will eventually run out, which means that it cannot be depended on as a permanent ...
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