Paste Fill Technology for Coal Mining
South Eastern Coalfields Limited (SECL) is set to become the first coal PSU in India to adopt paste fill technology for coal mining, marking a major step toward sustainable and environmentally friendly mining practices.
What is Paste Fill Technology?
Paste fill technology is an advanced underground mining method that involves filling mined-out voids with a specially engineered paste. This technique is used to enhance the structural stability of underground mines, prevent land subsidence, and reduce environmental impact—all while repurposing industrial waste.
Materials Used in Paste Fill
- Fly Ash: A fine residue from coal combustion, repurposed as a filler material.
- Crushed Overburden: ....
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