Power-grade lignite
This article examines brown coal (lignite), commonly referred to as power-grade lignite, describing its geological nature, global distribution, mining and processing methods, economic and industrial roles, environmental impacts and the…
Soft coking blend
Soft coking blend coals occupy a special place in the global coal and steel industries. They are neither the hardest, most strongly caking coking coals nor simple thermal coals; instead…
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…
