• April 24, 2026
Low-chlorine coal

Low-chlorine coal is a quality fraction of coal that attracts particular attention from power generators, metallurgists and chemical process engineers because of its reduced content of chlorine compared with typical…

  • December 9, 2025
Ultra-low-ash coal

Ultra-low-ash coal occupies a niche but increasingly important position within the global coal complex. Defined by its exceptionally low residue after combustion or processing, this coal type serves as a…