• January 6, 2026
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…

  • December 23, 2025
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…

  • December 20, 2025
Hard steam coal

Hard steam coal is a widely used category of solid fossil fuel, valued for its relatively high energy content and versatility across power generation and industrial processes. This article examines…

  • December 18, 2025
H-grade coal

This article examines H-grade coal — a term often used in industry to denote higher-quality coal with significant heat output and specific properties that make it valuable for energy and…

  • December 7, 2025
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…

  • December 6, 2025
Lean coal

This article explores the technical, economic and geopolitical dimensions of what is commonly referred to as “lean coal” — lower-energy, lower-volatile types of coal often used for power generation rather…

  • November 28, 2025
Bituminous coal

Bituminous coal is one of the most important and widely used ranks of coal worldwide. It occupies an intermediate position in the coalification scale between sub-bituminous coal and anthracite, combining…

  • November 24, 2025
Metallurgical coal

Metallurgical coal, commonly called coking coal in industry, is a critical raw material for traditional steelmaking and many heavy industries. Unlike thermal coal used mainly for power generation, metallurgical coal…

  • November 24, 2025
Anthracite

Anthracite is the highest rank of coal, prized for its high-grade energy content and distinctive physical properties. This dense, hard variety of coal has played an important role in industry,…

  • January 8, 2025
Bituminous Coal: Characteristics and Industrial Applications

Bituminous coal, often referred to as “soft coal,” is a type of coal that is widely used for various industrial applications due to its favorable characteristics. This article delves into…