Sangatta Coal Mine – Indonesia
The Sangatta coal complex in East Kalimantan, Indonesia, is one of the country’s most recognizable and historically important mining areas. Located within the Kutai Basin, Sangatta encompasses large open-pit operations…
Non-caking coal
Non-caking coal is a broad category of coals that do not soften, plasticize or fuse into a coherent, porous mass (coke) when heated in the absence of air. It is…
Revuboe South – Mozambique
The Revuboe South site, located within Mozambique’s prolific coal-bearing region, is one of several important mining areas that have attracted international attention and investment over the past two decades. This…
Low-swelling coal
This article explores the characteristics, occurrence, extraction, economic role and industrial uses of low-swelling coal. Low-swelling coals form an important segment of the global coal resource base. Although they are…
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…
Narrabri Coal Mine – Australia
The Narrabri Coal Mine, located in the north-western part of New South Wales, Australia, is a significant asset within the country’s coal-producing landscape. Situated in the productive Gunnedah Basin, 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…
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,…
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…
Coal concentrate
Coal concentrate is a processed form of coal produced by cleaning and concentrating raw coal to increase its energy content and reduce impurities. It plays a key role in modern…
