PSIC 2019 · Group
052
Mining of lignite
This group covers the mining of lignite, also known as brown coal, through both underground and surface methods, including liquefaction techniques. It also involves processes to enhance the quality of lignite for transport and storage.
Includes
- Mining of lignite (brown coal) through underground or surface methods
- Mining through liquefaction methods
- Washing, dehydrating, pulverizing, and compressing lignite to improve quality