Industrial-grade lignite
Industrial-grade lignite, often termed brown coal, is a distinctive type of coal that occupies an important but controversial position in the global energy and industrial landscape. Characterized by relatively low…
Thermal middlings
Thermal middlings are an often-overlooked but important fraction of coal that plays a practical role across mining, coal preparation and power-generation value chains. This article explains what thermal middlings are,…
Coal rejects
The phrase coal rejects refers to the material separated from mined coal during preparation and washing processes — the fraction considered unsuitable for direct sale or conventional combustion because of…
Mandalong Mine – Australia
The Mandalong Mine is one of the smaller but regionally important coal operations in New South Wales, Australia. Located within the broader Hunter Valley coalfields, the mine sits amid a…
Coal tailings
Coal tailings are the residual material left after the physical processing of coal (washing and beneficiation) and after coal extraction operations. They represent a complex mixture of fine coal particles,…
La Francia Coal Mine – Colombia
La Francia Coal Mine, located in Colombia, is an example of the country’s medium- and large-scale **coal** operations that connect local geology, national economy and global energy markets. This article…
Kostolac Mine – Serbia
The Kostolac mining and power complex is one of Serbia’s most important coal-producing areas and energy hubs. Located in the eastern part of the country near the town of Kostolac…
Fine steam coal
The following article examines fine steam coal — a category of thermal coal characterized by its small particle size and primary use in power generation. It covers geological occurrence, mining…
Pulverized thermal coal
Pulverized thermal coal plays a central role in electricity generation and industrial heat processes worldwide. Frequently ground to a fine powder and burned in large boilers, this form of coal…
Knurów–Szczygłowice Mine – Poland
The Knurów–Szczygłowice mine is one of the notable coal operations in the Polish Upper Silesian Coal Basin. This article provides a comprehensive overview of the mine’s location, geology, operational characteristics,…
