Search results
- Coal liquefaction is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicals. This process is often known as "Coal to X"...37 KB (3,786 words) - 20:17, 21 March 2024
- Cement kilns are used for the pyroprocessing stage of manufacture of portland and other types of hydraulic cement, in which calcium carbonate reacts with...48 KB (7,205 words) - 19:34, 21 March 2024