• July 21, 2026
Tutupan Coal Mine – Indonesia

The Tutupan coal mine is one of Indonesia’s most significant coal-producing sites, forming a central part of the country’s export-oriented mining industry. Located in the resource-rich region of Kalimantan, Tutupan…

  • July 20, 2026
Soft brown coal

Soft brown coal, commonly known as lignite, is a low-rank type of coal that plays a distinct role in the global energy mix and regional economies. Characterized by high moisture…

  • July 10, 2026
Weathered coal

Weathered coal is a distinct category of near-surface coal that has been altered by exposure to air, water, temperature changes and biological activity. This alteration changes its physical, chemical and…

  • June 21, 2026
Pribbenow Mine – Colombia

Pribbenow Mine is a coal mining site referenced in connection with Colombia’s northern coal-producing regions. This article compiles available information about its location, geology, types of coal extracted, economic and…

  • June 18, 2026
Pasir Mine – Indonesia

The Pasir Mine is one of the many coal-producing sites that contribute to Indonesia’s prominent role in the global coal market. Situated in the coal-rich regions of the Indonesian archipelago,…

  • June 10, 2026
Improved thermal coal

Improved thermal coal refers to conventional thermal coal that has undergone physical or chemical processing to raise its **calorific value**, reduce impurities (ash, **sulfur**, moisture and trace metals), and improve…

  • June 7, 2026
Recycled coal fines fuel

This article examines the topic of recycled coal fines as a fuel: what they are, where they are found and recovered, how they are processed and used, their economic and…

  • June 5, 2026
Formed coal blocks

Formed coal blocks are an engineered form of solid fuel made by compressing or agglomerating coal fines and other binders into uniform, handleable pieces. Widely used for domestic heating, industrial…

  • May 6, 2026
Blast-furnace injection coal

This article examines the role, characteristics, sources, economics and industrial importance of coal used for blast-furnace injection — commonly referred to as pulverized coal injection (PCI) coal. In modern ironmaking…

  • May 1, 2026
Utility-grade coal

This article examines utility-grade coal — the steam or thermal coal primarily used for large-scale electricity generation and district heating — covering what it is, where it is found and…