METHODS AND SYSTEMS OF DEWATERING TAILINGS

Abstract: methods of dewatering tailings, including tailings streams that may include a clay, ultra-fine particles, or both. the methods may include providing a tailings stream, dewatering the tailings stream with a dewatering apparatus to produce a first cake and a first residual effluent stream, contacting the first residual effluent stream with one or more additives, and dewatering the first residual effluent stream with a solid bowl centrifuge to produce a second cake and a second residual effluent stream. the methods may include providing a tailings stream, contacting the tailings stream with one or more additives, and dewatering the tailings stream with a solid bowl centrifuge to produce a first cake and a first residual effluent stream.

Inventor(s): David Osborne, James Graham, Geoff Orr, James C. Fisher, II

CPC Classification: C02F11/127 (by centrifugation)

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