pure coal

pure coal

[′pyu̇r ¦kōl]
(geology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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"2018 was a significant year for SUEK that transformed from a pure coal company into a vertically integrated coal and energy business.
You had to be, because you couldn't let the dirt be on the coal, if it went in the fire like that it would explode with the dirt, you needed the pure coal.
Figure 9(a) shows the stress-strain curves of the induration specimens and pure coal specimens of expandable slurries with high water content at water-cement ratios of 9:1, 8:1, and 7:1, respectively.
In experimental scale modelling, pure coal and pure rock samples are always employed to conduct uniaxial compression tests [9-11].
When the loading rate was relatively low, the strength of the combined samples was close to the strength of pure coal samples.
``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.
The cokes originating from pure coals were referred to as Type I cokes (61 samples) and the cokes prepared from the coal blends were referred to as Type II cokes (36 samples).