C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
31/31
C04B 11/00 (2006.01) C04B 18/06 (2006.01) C04B 28/14 (2006.01) E21F 15/00 (2006.01)
Patent
CA 1140329
ABSTRACT A process is described whereby residue removed from furnace waste gas washers is utilized underground to secure mine galleries. The residue originating from limestone or lime washers is processed into alpha-sulphate hemihydrate which is then mixed with additives being mineral waste products. The alpha-sulphate hemihydrate/mineral waste product is used underground to secure mine galleries upon the addition of water.
353617
Bassier Friedrich-Karl
Goldschmidt Klaus
Fetherstonhaugh & Co.
Ruhrkohle Aktiengesellschaft
Steag Ag.
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