Ann: Step Change in PGM Recovery - Improved to 86%, page-5

  1. 3,768 Posts.
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    Here is PLA's (Platinum Australia) simplified flow sheet from their admittedly atrocious 2012 BFS https://hotcopper.com.au/threads/ann-panton-review-study-results.1690418/
    https://hotcopper.com.au/data/attachments/5418/5418282-1dd4dece36cd525da0d8e79d2eb8adf6.jpg
    and FME's improved flowsheet:
    https://hotcopper.com.au/data/attachments/5418/5418287-350241b3204230e2b640e56be604b9c3.jpg

    Quite different, no calcine stage, and 4 output products instead of 2: HG concentrate (early cashflow?) an intermediate product, a fines recovery, and chromite product. A lot more extracted from the ore.

    Grades were quite different as well. Looking at just the Top Reef:
    https://hotcopper.com.au/data/attachments/5418/5418318-9b98e6e90b89dc5e1b9dec8446b50c88.jpg

    vs today's mets:
    https://hotcopper.com.au/data/attachments/5418/5418326-31eaab7fa89fa0f2427a8c885b5f0df7.jpg

    Head grades of 10g/t 3E PGE vs 6.13g/t 6E PGE before.

    Have to see how the Q4 scoping study goes. Hopefully prices improve in time for that. Panton has already seen 2x BFS.

    I couldn't find a recovery rate for PLA's 2012 effort. Can't imagine it was good.
 
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