Backfilling in mines

Details Backfilling in mines Backfilling in mines

C - Chemistry, Metallurgy

04

B

31/12

C04B 28/26 (2006.01) C04B 28/02 (2006.01) E21F 15/00 (2006.01)

Patent

CA 1323185

Agent's Ref:FT19/20 ABSTRACT A void in a mine is backfilled by a backfill slurry comprising water, an inert filler, e.g. mine tailings, and a binder, e.g. cement, lime or slag, to which a gelling agent, e.g. sodium silicate, is added just before placement. LS/BW/28.6.89 FT1920.Abs

605629

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