Ultra-cleaned thermal coal
The term ultra-cleaned thermal coal refers to thermally graded coal that has undergone intensive beneficiation and cleaning processes to remove ash, sulfur, moisture and other impurities, producing a fuel with…
Syngas coal feedstock
This article examines the use of coal as a feedstock for producing syngas — a mixture of primarily carbon monoxide and hydrogen — addressing its geological occurrence, extraction regions, industrial…
Carbon coal
The following article examines the geological nature, global distribution, economic importance, and environmental implications of coal — a sedimentary rock that has powered industry and societies for centuries. It covers…
House coal
House coal — commonly sold as lumps of coal intended for domestic heating and small-scale use — remains an important yet controversial energy commodity in many parts of the world.…
Smithing coal
Smithing coal occupies a special place within the broad family of coals: it is the grade of coal historically and presently prized for metalworking, forge heat, and for producing coke…
