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Chemicals Used in Mining - Hesperian Health Guides

Chemicals used in mining and processing minerals contaminate the land, water, and air, causing health problems for workers and people living near mines.

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Chemical Valley | The New Yorker

Chemical Valley The coal industry, ... MCHM—4-methylcyclohexane methanol—is part of a chemical bath that the mining industry uses to wash clay and rock from coal ...

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Coal - Chemistry Encyclopedia - structure, water, uses ...

Coal, a naturally occurring combustible solid, is one of the world's most important and abundant energy sources. From its introduction 4,000 years ago as a ...

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Coal mining | World Coal Association

Over 7269 million tonnes (Mt) of hard coal are currently produced worldwide and 787 Mt of lignite. Coal is mined by two methods: surface or 'opencast' mining, and ...

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Coal ash – the waste material left after coal is burned – contains arsenic, mercury, lead, and over a dozen other heavy metals, many of them toxic. And disposal ...

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Chemical Processes Involved In Iron Ore Mining

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Coal to chemical processes do require substantial quantities of water. ... An estimated 5 million people worked in China's coal-mining industry in 2007.

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