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Tailings

tailings - left fill
tailings - right top fill
tailings - right upper fill

Paterson & Cooke has designed and implemented numerous tailings systems throughout the world. Our capability includes filtration, thickening, cycloning, pump and pipeline transport, choke stations, gravity launder transport, deposition arrangements (including jacking header systems) and water recovery from the tailings facility.

The key to successfully implementing a reliable tailings system is close integration of the de-watering, classification, transport and deposition processes as well as consideration of the wide process design envelope associated with the process plant variability.

We have skills and experience to take your tailings pipeline project from conceptual development to start-up.

NOTABLE PROJECTS

Confidential Copper Mine, Arizona, USA

Detailed design and commissioning of tailings pumping, cyclone and return water system for a new centreline raised tailings storage facility and planned concentrator expansion from 50 000 t/d to 113 000 t/d. The project includes a new tailings pump station, improvements for an existing tailings pump station, reclaim and seepage return water systems and a jacking header with a cyclone deposition system.

Orapa Diamond Mine, Botswana

The detailed design and commissioning of a booster pump station to transport 35 000 t/d of kimberlite tailings to the storage facility. Six pumps in series per pipeline deliver tailings via 450 mm diameter pipelines to the tailings dam. The total installed power is 11.4 MW.

Jwaneng Diamond Mine, Botswana

The detailed design and engineering of the upgraded tailings pump station to deliver 14 400 t/d of tailings to a new disposal facility via four 4 km pipelines.

Carletonville, South Africa

Bankable feasibility study for the slurry transport of reclaimed mine tailings from various facilities to a central treatment facility utilising up to five 35 km pipelines each transporting 22 000 t/d.

Hycroft Gold and Silver Mine, Nevada, USA

The detailed design of a tailings delivery system to transport 118 000 t/d over 12 km in two 600 mm pipelines with two operating pump trains each equipped with four centrifugal pumps in series.

Karee Mine, South Africa

The detailed design, engineering and commissioning of a 6.5 km tailings pumping system transporting platinum tailings using six centrifugal pumps in series.

Keywords: tailings, tailings systems, filtration, thickening, cycloning, pump and pipeline transport, choke stations, gravity launder transport, deposition arrangements, water recovery.