• January 8, 2026
Blast-furnace coal

Blast-furnace coal, commonly known in industry as metallurgical or coking coal, is a specialized category of coal essential for modern steelmaking. Unlike thermal coal burned for power generation, this coal…

  • January 7, 2026
Coke oven coal

This article explores the coal used specifically for coking and in coke ovens — the type of coal central to modern **steel**making and a range of industrial processes. It covers…

  • 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…

  • January 6, 2026
Chemical-grade coal

This article examines the specialised category commonly called chemical-grade coal — varieties of coal selected or processed for use as a raw material in chemical, metallurgical and high-value industrial applications.…

  • 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…

  • January 5, 2026
Gasification coal

This article explores the role of coal tailored for gasification — the conversion of coal into a combustible or chemical-rich gas (syngas) used for power, fuels and chemicals. Gasification coal…

  • January 5, 2026
Hydrothermal carbonized coal

Hydrothermal carbonized coal (often referred to as hydrochar when produced from biomass, or as hydrothermally upgraded coal when applied to low-rank coals) is a product of a wet, moderate-temperature thermochemical…

  • January 4, 2026
Torrefied coal

This article describes the nature, production, distribution and significance of torrefied coal — an upgraded solid fuel produced by thermal treatment — and explains where feedstocks and conventional coal occur,…

  • January 4, 2026
Bio-coal

Bio-coal (sometimes called torrefied biomass or hydrochar, depending on the production method) is an engineered solid fuel produced from biological feedstocks that aims to match many properties of fossil **coal**…

  • January 3, 2026
Eco-coal

The term Eco-coal is increasingly used in industry and public debate to describe coal products and practices that aim to reduce environmental harm while preserving some of coal’s economic utility.…