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…
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…
Low-ash coal
Low-ash coal is a high-quality variety of coal characterized by a relatively low proportion of mineral matter (ash) after combustion. Because ash lowers the fuel value, increases handling and disposal…
