Low-fluidity coking coal
Low-fluidity coking coal occupies a particular niche within the family of metallurgical coals. It does not flow or swell as much as high-fluidity coals during carbonization, yet it can be…
High-fluidity coking coal
High-fluidity coking coal is a specialized form of **coking coal** prized for its exceptional plasticity and ability to form a strong, porous **coke** during carbonization. It plays a critical role…
Deep-cleaned coal
Deep-cleaned coal is an engineered product of coal preparation and upgrading processes designed to remove impurities and improve fuel properties. Over the past decades, advancements in coal washing, beneficiation and…
Premium washed coal
Premium washed coal occupies a distinctive niche in the global coal market: it is coal that has been mechanically processed to remove impurities and lower ash and sulfur content, producing…
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…
Composite coal
This article examines the subject commonly referred to as composite coal — a term that can denote both geological composite samples and engineered blends of different coal types used to…
Synthetic coal
This article examines the phenomenon commonly referred to as synthetic coal alongside conventional coal. It covers geological occurrence, extraction methods, economic and statistical context, industrial uses, environmental consequences, and emerging…
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…
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…
Engineered coal fuel
This article examines engineered coal fuel as a category of processed and upgraded coal products used across power generation, industry and synthetic fuel production. It covers geological occurrence and mining…
