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Re: gharma post# 3907

Wednesday, 07/18/2012 8:51:17 PM

Wednesday, July 18, 2012 8:51:17 PM

Post# of 4675
gharma, I'm not a chemist, but I thought that metallurgy could be extrapolated when using standard processing methods, but using a hydrometallurgical process that hasn't been proven commercially yet, would require scoping studies from a representative grade, and not just dilution of a higher grade to get the desired lower grade mixture.

Does this make any sense? Hope I'm not interpreting the Kemetco work done in 2010 in the wrong way.

I mean, what if the lower grade material mixes differently, or plugs the filtration system, or just can't be separated as well as the higher grade material?

Again, I'm no expert, but as a layman, I would think that using this patent pending hydrometallurgical process should at least be tested using fresh, lower grade material from the representative ore at AP and not higher grade ore from the McGregor Pit which is not representative. JMO