• January 7, 2026
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…

  • December 8, 2025
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…

  • December 2, 2025
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…