Nolans cost down to A$1.4bn - Arafura
PERTH (miningweekly.com) – Rare earths developer Arafura Resources has reduced the capital cost of its Nolans project, in the Northern Territory, by 27% with a range of initiatives.
Capital cost projections for the project had decreased from an initial A$1.9-billion, as estimated in 2012, to A$1.4-billion, following a cost review.
Over recent months, Arafura identified a number of revisions to the project, including a revised design at the rare earth intermediate plant seeing the replacement of hydrochloric acid with sulphuric acid in the pre-leach system.
In June last year, the miner reported a A$400-million saving in capital costs by abandoning plans for a rare-earth complex in South Australia, cancelling a land sale agreement with OneSteel.
The new capital expenditure projections included a 15% contingency.
Meanwhile, Arafura’s operating cost projections have also decreased from the A$20.55/kg of rare-earth oxide predicted in 2012, to A$15.67/kg of rare-earth oxide, based on production of 20 000 t/y.
The company said that the key reductions in the operating costs resulted from greater efficiencies in beneficiation, rare-earth extraction and separation, and simplifying the supply chain.
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