Coal middlings
This article examines the phenomenon commonly called coal middlings — the intermediate-sized, intermediate-quality fractions produced during coal mining and preparation. Coal middlings occupy a complex place between high-grade clean coal…
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…
Gasification-grade sub-bituminous coal
This article examines gasification-grade sub-bituminous coal: its geological characteristics, global distribution, mining and supply patterns, technical suitability for coal gasification and related processes, economic and market aspects, environmental considerations, and…
Mining-grade coal
This article examines mining-grade coal: its geology, types, where it occurs and is extracted, economic and statistical dimensions, industrial importance, and ongoing technological and environmental developments. The discussion covers both…
Prime PCI blend
This article examines the characteristics, occurrence, mining, economic significance and industrial role of the Prime PCI blend — a category of coals specifically tailored for pulverized coal injection (PCI) into…
Baruun Naran Mine – Mongolia
The Baruun Naran Mine, one of several coal-related sites referred to in Mongolian exploration and mining literature, sits within the broader context of Mongolia’s rapidly evolving coal industry. This article…
Low-BTU coal
This article examines the characteristics, occurrences, extraction, economic roles and industrial importance of low-calorific-value coal—commonly referred to as low-BTU coal. It presents geological and geographical contexts, outlines the technological and…
Kyrgyz Temir Mine – Kyrgyzstan
The following article examines the site known as Kyrgyz Temir Mine within the broader context of coal mining in Kyrgyzstan. Publicly available, mine-level documentation for a site specifically named “Kyrgyz…
Balkanabatskaya Mine – Turkmenistan
The Balkanabatskaya Mine, located in western Turkmenistan, represents one of the country’s lesser-known but strategically relevant coal mining sites. Although overshadowed by Turkmenistan’s dominant oil and natural gas sectors, this…
Ekibastuz Coal Mine – Kazakhstan
The Ekibastuz coal basin in northeastern Kazakhstan is one of the country’s most important and historically significant coal-producing regions. Located in the Pavlodar region near the town of Ekibastuz, this…
