High-volatile A coal
This article examines the properties, distribution, extraction, economic role and industrial uses of high-volatile A bituminous coal. It explains what distinguishes this rank from other coals, where significant deposits are…
Super-low-volatile coal
Super-low-volatile coal is a specialized, high-rank form of coal valued primarily for its high fixed carbon content, low volatile matter, and strong performance in metallurgical and high-temperature industrial applications. This…
Coke breeze
This article explores the material commonly referred to as coke breeze — a fine particulate by-product of coke production closely tied to the metallurgy of coal and the global steel…
Long-flame coal
Long-flame coal is a historically important and still widely used category of coal characterized by its distinctive burning behavior, broad occurrence in many coal basins, and versatile industrial applications. This…
Lignite
This article explores lignite — the lowest-rank form of coal often called “brown coal” — examining its geological origins, physical and chemical properties, where it occurs and is mined, its…
