Sentence examples for hard coal from inspiring English sources

Poland has large resources of hard coal and brown coal.

For natural gas it is 4.1% and hard coal 0.7%.

Hard coal is mined near Łęczna, and gas production was recently begun.

Anthracite (hard coal) is found in the Banat and Walachia regions.

Anthracite, also called hard coal, the most highly metamorphosed form of coal.

Currently, hard coal and lignite are used to produce roughly 88% of the electrical grid.

HEN operating with hard coal has the second lowest HEN cost, but the higher impact cost.

Flow and physical properties were measured for three fuel powders: sawdust, brown coal and hard coal.

Poland sits on Europe's largest coal reserves and produces about 90% of its electricity from hard coal and lignite.

Therefore, utilization of this emission, especially with a rational heat recovery becomes an important challenge for hard coal mines.

Flue gas exposure trials were carried out at a lignite-fueled power plant and a hard-coal-fueled power plant.