Some numbers7 Apr 2018 17:34
Thought I'd have a look at the numbers, just my calculations, may or may not be right. A short summary - It looks very promising even from a small plant, and good for a start, but there's going to be a few disappointed people when the revenue starts coming in. From the 5tph plant, absolute maximum revenue appears to be �1.1m per month and will probably be much less. See below for how I arrived at that.
Subtract from that costs (inc JLP contractor changes), which are unknown, and suddenly we might be in a position of not much left over for profit sharing. What is left then has to pay our finance off, plus 30%, before any profit share. To increase the throughput, a bigger plant is needed, and Hernic cost us �13m
Taking the absolute best case scenario I could find, using the following assumptions from the information we have at the moment:
1. Plant can actually run at 5tp/h 24/4, gives 3600 tonnes per month;
2. Wash plant tailings look to be the best grades - approx. 10.66% zinc, 7.21% lead;
3. Recovery rates BMR claim to have achieved in testing are 79% Zinc, 90% lead;
4. Max Totals per month - 303 tonnes Zinc, 233 tonnes lead
5. We will produce pure lead/zinc than needs no further refinement and we receive the full spot price (unlikely, but just for the assumption).
6. Revenue = $999k zinc at $3,300 per tonne, $559k lead at $2400 per tonne.
7. Total revenue per month $1.6m, or �1.1m
BUT - The plant probably won't be able run 24/7, these appear to be best grades, other tailings pilings aren't as good, the same recovery rates achieved during testing may not be achieved when scaled up.
Overall, huge potential here, but only with a bigger plant and adding the vanadium circuit in.