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What is coal used for? USGS

What is coal used for? USGS

Coal is primarily used as fuel to generate electric power in the United States. The coal is burned and the heat given off is used to convert water into steam, which drives a turbine. In 2012, about 39 percent of all electricity in the United States was generated by coalfired power plants, according to the Energy Information Administration.

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Dirt Doctor Library Topics

Dirt Doctor Library Topics

Soft Rock Phosphate: Soft rock phosphate, also known as colloidal phosphate is a clay material that is surface mined from the old settling basins of former hard phosphate rock mining operations in Florida. It contains about 20 percent P 20 5 as well as over 25 percent lime and other trace minerals.

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Phosphate Mining Hudson Pump Equipment

Phosphate Mining Hudson Pump Equipment

Phosphate is a limited resource. It cannot be replaced. As land is farmed the soils become nutrient deficient and must be replenished in order to produce. Therefore, most of phosphate mined (90%) is used to make fertilizer; the remainder is used to make animal feed supplements, and additives in such products as toothpaste and soft drinks.

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