pure coal

pure coal

[′pyu̇r ¦kōl]
(geology)
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References in periodicals archive ?
Coal India was rated as the biggest pure coal mining company in the world.
Separately, the largest pure coal mining company in the world, Coal India, climbed to 38[sup.
The top inch of turf was pure coal dust,'' writes Frank.
It is certainly better than burning pure coal but coal mine methane is by no means a renewable energy source,' Greenpeace's senior research scientist Paul Johnston said.
Environmental Protection Agency (EPA) exempted pure coal ash from Subtitle C of the Resource Conservation and Recovery Act (RCRA), which regulates disposal of hazardous waste.