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Technology: Underground Placement of Coal Processing Waste and Coal Combustion By-Products Based Paste Backfill For Enhanced Mining Economics (Report)
Organization: Illinois Clean Coal Institute (ICCI)
Description: Backfilling using gob, coal combustion by-products, and fine coal processing waste based backfills without significant ground control problems.
Status: Demonstrated Research
Advantages: In a room-and-pillar panel, the extraction ration can be increased from its current value of about 56% to about 64% without any ground control problems due to the increased extraction ration
Limitations: Generally, underground coal slurry disposal is most practical in locations where old mines are completely below drainage without the possibility of leakage
URL: http://www.icci.org/reports.html
Past Spills Information
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