Brown coal briquettes
Brown coal briquettes — a form of compacted lignite — have played a significant role in regional energy systems, industrial processes and household heating for more than a century. This…
Lignite briquettes
Lignite briquettes, a processed form of low-rank coal commonly called lignite or brown coal, play a distinctive role in regional energy systems and small-scale heating applications. This article explores where…
Power-grade lignite
This article examines brown coal (lignite), commonly referred to as power-grade lignite, describing its geological nature, global distribution, mining and processing methods, economic and industrial roles, environmental impacts and the…
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…
Maritsa East Mine – Bulgaria
The Maritsa East mining complex, known in Bulgarian as Maritsa Iztok, is the largest coal mining and power generation center in Bulgaria and one of the most significant lignite basins…
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…
Kosovo B Coal Mine – Kosovo
The Kosovo B coal mine is one of the central elements of Kosovo’s energy system and industrial landscape. Located in the central Kosovo basin near the town of Obiliq (also…
Kosovo A Coal Mine – Kosovo
This article examines the coal mining site commonly associated with the Kosovo A complex in central Kosovo: the open-pit mining operations in the Kosovo Basin that have supplied lignite to…
Coal-to-liquid feedstock
This article examines coal as a feedstock for coal-to-liquid (CTL) processes: its geology, global occurrence, mining and supply, economic importance, statistics, industrial uses, environmental challenges and technological trends. Coal remains…









