Ultra-supercritical coal grade
The term ultra-supercritical is most commonly associated with advanced steam cycle technology used in coal-fired power plants, not a standalone type of coal. However, certain coal qualities are particularly suitable…
High-moisture coal
High-moisture coal is a broad category of low-rank coals that contain a significantly higher share of water in their natural state than medium- and high-rank coals. These coals play an…
Jingyang Coal Mine – China
The Jingyang Coal Mine is an important element within China’s vast coal mining landscape. Located in a region with a long history of mineral extraction, the mine contributes to local…
House coal
House coal — commonly sold as lumps of coal intended for domestic heating and small-scale use — remains an important yet controversial energy commodity in many parts of the world.…
Zhundong Coal Field – China
The Zhundong Coal Field in northwestern China is one of the country’s most discussed and strategically important coal provinces. Located in the eastern part of the Junggar (Dzungarian) Basin in…
Antaibao Coal Mine – China
The Antaibao Coal Mine is one of the better-known coal production sites in northern China. It plays a role in supplying fuel for regional power generation and industry, and it…
Fat coal
Fat coal — a traditional term used in many coal-producing countries — denotes a high-quality type of coal valued for its energy content and physical behavior during heating. Often associated…
Sub-bituminous B
Sub-bituminous B coal is a low- to medium-rank thermal coal that plays an important role in contemporary energy systems, particularly for power generation. It sits between lignite and bituminous coal…
Sub-bituminous coal
Sub-bituminous coal is an intermediate rank of coal that bridges the gap between lignite and bituminous coal. It plays a crucial role in modern energy systems, particularly in power generation,…
Low-volatile bituminous coal
Low-volatile bituminous coal is a high-rank coal grade prized for its elevated carbon content, strong coking properties and relatively low volatile matter. This article examines its geological characteristics, global distribution,…
