• May 12, 2026
Coal-to-chemicals feedstock

This article explores the role of coal as a feedstock for coal-to-chemicals processes: where this resource is found and mined, how it is converted into chemical intermediates, its economic and…

  • April 23, 2026
Ultra-low-phosphorus coal

Ultra-low-phosphorus coal represents a niche but strategically important subset of coals whose exceptionally low concentrations of phosphorus make them valuable to high-specification industrial applications. This article examines what ultra-low-phosphorus coal…

  • April 4, 2026
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…

  • January 1, 2026
Anthracite briquettes

Anthracite briquettes are a concentrated, manufactured fuel derived from the highest-rank coal, prized for their high carbon content, low impurities and efficient combustion. This article explores the geology and distribution…

  • December 10, 2025
Low-sulfur coal

Low-sulfur coal has become an important commodity in the global energy mix because it allows power generators and industrial users to meet air quality standards while avoiding some of the…

  • December 4, 2025
Peat coal

Peat, often called peat coal in some regional contexts, occupies a unique place between organic soil and true coal both geologically and economically. Formed over thousands of years from partially…

  • November 24, 2025
Semi-anthracite

Semi-anthracite is a distinct rank of coal that occupies a middle ground between high-grade anthracite and the more common bituminous coals. It combines many of the advantageous physical and chemical…