Latrobe improves plant economics
PERTH (miningweekly.com) – ASX-listed Latrobe Magnesium has increased the net present value of its proposed magnesium plant from A$83-million to A$120-million, following design changes to the plant.
The company conducted additional testwork over the last year to optimise the hydromet process at the plant, which resulted in reduced capital costs to the 40 000 t/y magnesium plant.
Latrobe said on Monday that it was working to further increase the value of the project with more detailed work on improving iron removal, as well as the creation of additional product.
Meanwhile, the company was also finalising a 500 kg bulk fly-ash sample for shipment and testing in a commercial operation in China. This work was expected to take up to five months.
The company would start a bankable feasibility study once the fly ash and property agreements had been finalised. The agreements would likely be completed within the next quarter.
Latrobe’s proposed plant would use a patented extraction process to harvest magnesium metal from industrial fly ash – a waste stream from brown coal power generation.
A prefeasibility study had been completed and construction of the plant is slated to start in 2014, with first magnesium production due in 2015.
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