Feb 01, 2011· Coal energy is a nonrenewable energy which means that this is a type of energy that we cannot re-create. The supply of coal energy is limited and therefore if we continue to consume too much of this, we will eventually run out of this kind of energy.
Coal fired Plants: Pros and Cons - brighthubengineering.com
Whats the advantages of coal gasification - The Q&A wiki . The problems inherent in coal combustion are well known - from the particulates to the acid rain caused by high-sulfur coal, to mercury pollution, not to mention the ...
Auger mining is a surface mining technique used to recover additional coal from a seam located behind a highwall produced either by stripping or open-pit mining.Auger mining is especially employed when contour strip mining has been exhausted and the removal of overburden to access additional coal no longer becomes economically feasible.
Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6 – 1.0 m thick). The longwall panel (the block of coal that is being mined) is typically 3 – 4 km long and 250 – 400 m wide.
Various Advantages of Solar Energy - Conserve Energy Future
Even more than advantages, there are disadvantages... One of the biggest things is that coal mining can be very dangerous. Another disadvantage is coal impurities can cause acid rain; the process of coal forming acid rain is first the coal burns, next it releases chemicals into the air, and lastly, the chemicals combine with clouds.