High-BTU coal
High-BTU coal is a category of fossil fuel prized for its high energy content per unit mass and strong industrial applications. In many energy and metallurgical markets, this coal commands…
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.…
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…
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…
Activated coal (activated carbon)
Activated coal, commonly known in English as activated carbon, is a highly porous form of carbon produced from carbonaceous raw materials — including coal — and widely used for adsorption,…
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Coal briquettes
This article explores the world of coal briquettes: what they are, where the raw coal comes from, how briquettes are produced and used, and their economic, industrial and environmental significance.…
Ultra-fine coal
Ultra-fine coal occupies a unique niche within the global coal supply chain: it is both a by-product of mining and preparation and a deliberately produced feedstock for specific industrial applications.…
Enriched coal
Enriched coal — a term often used to describe coal that has undergone physical and/or chemical processing to improve its quality — plays a complex role in the modern energy…
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…
Semi-anthracite
Semi-anthracite is a distinct rank of coal that occupies a middle ground between high-grade anthracite and the more common bituminous coals. It combines many of the advantageous physical and chemical…
