• April 11, 2026
Coal for urea production

The use of coal as a feedstock for industrial chemical production — particularly for synthesizing ammonia and, subsequently, urea — is a major but often overlooked component of the global…

  • April 10, 2026
El Diviso Mine – Colombia

This article provides a detailed overview of the El Diviso Mine in Colombia, focusing on its location, geology, the type of mineral recovered, operational characteristics, and wider economic and social…

  • March 27, 2026
De-watered coal

De-watered coal is not a distinct geological variety but a processed form of coal with significantly reduced water content. It plays a growing role wherever low-rank coals (high moisture, low…

  • January 8, 2026
Foundry coke coal

Foundry coke coal is a specialized form of **metallurgical coal** that, after carbonization, yields a solid carbon product used predominantly in metal foundries and certain smelting applications. This article examines…

  • December 30, 2025
Activated coal (activated carbon)

Activated coal, commonly known in English as activated carbon, is a highly porous form of carbon produced from carbonaceous raw materials — including coal — and widely used for adsorption,…