Scoping study proves phosphate possibility at Dandaragan
PERTH (miningweekly.com) – A scoping study at ASX-listed Potash West’s Dandaragan Trough project, in Western Australia, has demonstrated the robust nature of the project, including the advantageous location, low-mining and start-up costs, simple processing route, and cheap acid supply.
The study found that phosphate resources at the Diner Hill prospect could support an operation producing some 340 000 t/y of single superphosphate, over a 20-year life-of-mine.
The project would likely generate some A$131-million in revenue a year, and would have a net present value of A$218-million and an internal rate of return of 26%.
Capital costs for the operation were estimated at A$144-million.
Potash West MD Patrick McManus said that the phosphate potential at the Dinner Hill prospect was recognised as the company developed the economics of its K-Max process, which produced not only potash, but also phosphate, alum and iron oxide.
“Capturing the full value of the phosphate allows a viable independent phosphate facility to be considered, in addition to providing major improvements to the economics of a K-Max plant.”
McManus noted that the lower capital requirements and the proven process technology would also provide a route to positive cashflow that would reduce the risk of dilution for existing shareholders.
“Our next steps are to move quickly to a definitive feasibility study on the phosphate resource,” he added.
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