• May 23, 2026
Thermal middlings

Thermal middlings are an often-overlooked but important fraction of coal that plays a practical role across mining, coal preparation and power-generation value chains. This article explains what thermal middlings are,…

  • December 5, 2025
Fat coal

Fat coal — a traditional term used in many coal-producing countries — denotes a high-quality type of coal valued for its energy content and physical behavior during heating. Often associated…