BACKFILL, METHODS OF MAKING, AND USE THEREOF

A composition in the form of a backfill is described. The composition comprises one or more mine tailings present in an amount greater than 50% by weight of the composition, one or more cementitious binder materials present in an amount ranging from 0% to 12% by weight of the composition, attapulgit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FELDMAN, Steven B, FENDLEY, Paul, COETZEE, Rudolf M, PURCELL, Robert J, PARKER, Dennis C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LIME, MAGNESIA METALLURGY PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS REFRACTORIES SHOP CONVEYOR SYSTEMS SLAG STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A composition in the form of a backfill is described. The composition comprises one or more mine tailings present in an amount greater than 50% by weight of the composition, one or more cementitious binder materials present in an amount ranging from 0% to 12% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 4.00% by weight of the composition, and water. The fines content (Fc) of the one or more mine tailings is greater than or equal to 3%. Although subject to many uses, in some embodiments, the composition is suitable for managing tailings to be stored above ground or underground. For example, in some embodiments, the composition is suitable for filling mined out areas.