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17/04/19
16:53
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Originally posted by Vector:
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Yep - one of the things they may need to do to produce a higher grade con grade is give up a bit on the recovery. There is a trade off between metallurgical recovery and conc grade and perhaps Cathy had assumed they may go down this route (lower recovery, higher con grade to get to 52%). This does not solve the problem of the high Pb and potentially makes it a bigger problem as Pb grade will also increase. They really need to have a separate Pb con recovery circuit to increase their Zn grade and reduce the Pb in zinc con. How they fund that as well as Stage 2 is going to be the big question. The risks are stil there - that doesn’t mean that the problems are insurmountable. Still keeping this on my watch.
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What would be money better spent at this stage do you think- - More cannons (volume) - more treatment equipment (quality)...if footprint of structures allow it -