Culm coal
Culm coal is a term with several regional meanings, but it generally refers to **fine**, **waste** or low-grade coal material associated with mining and processing. This article reviews the nature…
Supercritical coal grade
This article examines the concept commonly referred to as supercritical coal grade and, more broadly, the relationship between coal quality and the technologies known as supercritical and ultra-supercritical power plants.…
