SECL Pioneers Paste Fill Technology in India's Coal Mining Sector
| Category | Details |
|---|---|
| Company | South Eastern Coalfields Limited (SECL) |
| Initiative | First coal PSU in India to implement paste fill technology for underground coal mining |
| Technology Partner | TMC Mineral Resources Private Limited |
| Investment | ₹7040 crore |
| Project Location | Singhali underground coal mine, Korba area |
| Project Duration | 25 years |
| Coal Production Target | 8.4 million tonnes (84.5 lakh tonnes) |
| Key Technology | Paste fill technology |
| Components of Paste | Fly ash, crushed overburden, cement, water, binding chemicals |
| Benefits | Prevention of land subsidence, no surface land acquisition, enhanced mine safety, reduced environmental footprint |
| Historical Context | Singhali mine approved in 1989, operations started in 1993, developed using Bord and Pillar method |
| Reserves | 8.45 million tonnes of G-7 grade non-coking coal |
| Surface Constraints | Villages, high-tension electricity lines, PWD road |
| Environmental Impact | Utilizes fly ash and overburden, promotes waste recycling, reduces environmental footprint |
| Economic Impact | Enhances energy security, creates employment, stimulates regional economic activity |