Ann: T3 Mine Feasibility Study Update, page-8

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Cashmeoutside

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16/10/18

13:20

Post #: 36139767
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Originally posted by plough ↑

Originally posted by Cashmeoutside
View attachment 1334345
Power was quoted at 14c/lb in the PFS so if ur suggesting the change in grind size will result in only 2/3rds of the power output it may be a more significant saving than 3 cents per pound. Though I understand there are more uses of power than just crushing and grinding in th process (those being the major energy consumers).

I take it that 2/3 power calc you have put forward is just an estimate or rule of thumb based on grind size?
View attachment 1334345

Also - don’t underestimate the cost reduction associated with higher recoveries - that’s just free money, 97% is huge
I thought my figures seemed a bit light for the power saving in $ , would like to know where I went wrong

refer to figure 9, its a graph of power requirements at different grind sizes for ore, yes this a different ore but the graph gives a general idea of making the ground ore half the diameter ie from 4 sheets of paper in width to 2 sheets of paper in width doubles the power requirement
http://www.scielo.org.za/pdf/jsaimm/v110n3/07.pdf,

If the Bond milling index halved then the plant power consumption does not halve it may just reduce 1/3 as ancillaries still draw much the same power ie pumps , flotation cells , conveyors so its just my own personal rule of thumb

Also could you please tell me how you upload a file in this new HC like you did .

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Thanks mate! I chose the option to continue on the old HC platform so can’t help you there sorry

MOD Price at posting: 37.5¢ Sentiment: Buy Disclosure: Held
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