C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 17/10 (2006.01) E21F 15/00 (2006.01) E21F 15/08 (2006.01) C09K 8/46 (2006.01)
Patent
CA 2577564
A binder for mine tailings, alluvial sand and other aggregate used as a backfill for an underground void comprises ferrous slag, cement kiln dust and/or lime kiln dust, and Portland cement and/or lime; the binder displays strength characteristics better than or comparable to those achieved with conventional binders based on Portland cement or Portland cement and slag.
Un liant pour résidus miniers, sable alluvionnaire et autres agrégats utilisé comme matériau de remblayage pour un espace libre souterrain comprend des laitiers ferreux, de la poussière de four à ciment et/ou de la poussière de four à chaux et du ciment Portland et/ou de la chaux; le liant présente des caractéristiques de force supérieure ou comparable à celle obtenue avec des liants traditionnels basés sur le ciment Portland ou le ciment Portland et du laitier.
Lafarge Canada Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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