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Lincoln launches pilot plant for Kookaburra Gully

8th April 2013

By: Esmarie Iannucci

Creamer Media Senior Deputy Editor: Australasia

  

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PERTH (miningweekly.com) – Minerals explorer Lincoln Minerals would move ahead with the construction of a A$1.9-million pilot plant to produce graphite concentrate at its Kookaburra Gully project, after a positive scoping study.

The ASX-listed Lincoln that the pilot plant would have a throughput of 2 t/h, to produce some 0.283 t/h of graphite concentrate product that would be used for customer assessment.

The pilot processing system would feature crushing, screening, milling, flotation and dewatering circuits across primary, secondary and tertiary stages of processing.

The mobile plant would allow Lincoln to process run-of-mine material to test and confirm the metallurgical characteristics of the feed material for an optimal final process flow sheet. It would also produce a graphite concentrate product and sufficient sample quantities for market and customer consideration, said Lincoln.

Subject to finance and approvals, Lincoln anticipated that it would progress the development and delivery of the pilot plant during 2013.

The plant would refine the process methodology and consequent engineering design for the full-scale processing plant, and produce a saleable graphite concentrate.

During 2012, Lincoln announced the completion of a scoping study for its Koppio-Kookaburra Gully graphite project, in South Australia, which focused on the Kookaburra Gully prospect.

The scoping study contemplated an opencut mining operation producing some 200 000 t/y of graphite mineralised rock and an on-site processing plant.

Lincoln on Monday said that the capital and operating cost estimates for the scoping study, as well as the process flow design, would now be re-examined by the company in light of the pilot plant processing programme, and the anticipated refinement to the rates of recovery.

Edited by Creamer Media Reporter

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