Kalgoorlie Tailings Retreatment Project- A Case Study

Organization: The Australasian Institute of Mining and Metallurgy
Pages: 6
Publication Date: Jan 1, 1990
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The Kalgoorlie Tailings Retreatment Project (or "Kaltails") involves the reclamation and retreatment of approximately 50 million tonnes of gold tailing situated on the Golden Mile at Kalgoorlie, Western Australia. Tailing is reclaimed and retreated at the rate of 42 million tonnes per annum. The project is a Joint Venture between Poseidon Limited and Gold Corporation, with Poseidon being the major participant (90%) and manager of the operation through its wholly owned subsidiary Kaltails Mining Services Pty Ltd. The marginal nature of the tailing retreatment project dictated that a detailed feasibility study be undertaken. Extensive sampling and metallurgical testing of the tailing permitted the development of an optimum economic processing route. A sensitivity analysis undertaken as part of the feasibility study indicated the project to be very sensitive to gold price and unit operating cost variations, and relatively insensitive to capital cost variations.
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