NEWCREST’S INDUSTRY FIRST APPLICATION OF ERIEZ HYDROFLOATTM TECHNOLOGY FOR COPPER RECOVERY FROM TAILINGS AT CADIA VALLEY OPERATIONS

VOLLERT, AKERSTROM, SEAMAN, KOHMEUNCH

*L. Vollert, B. Akerstrom, and B. Seaman
NEWCREST MINING LTD, L8 600 St Kilda Rd, St Kilda, Australia 3182
(*Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.)
J. Kohmuench: This email address is being protected from spambots. You need JavaScript enabled to view it.
ERIEZ MANUFACTURING COMPANY
2200 Asbury Rd, Erie, PA 16506

COM Copper 2019 Conference 18 - 21 August Vancouver


ABSTRACT

In August 2018, the first full-scale HydroFloatTM cells for the recovery of coarse composited copper and gold were commissioned at Newcrest’s Cadia Valley operation in New South Wales, Australia. The primary objective of the installation is to recover coarse value-bearing composites that are lost to conventional flotation tailings, without the need for additional power input for particle size reduction to improve mineral liberation. This paper examines the application of Eriez HydroFloatTM technology for the recovery of coarse, poorly liberated copper sulphide particles drawing on recent experience from lab scale testwork through circuit design and commissioning of the full-scale installation at Cadia Valley.

Keywords

Coarse flotation, Copper, Flotation, HydroFloatTM, Newcrest

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