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G'day,
I've been doing some sizings from our pulverizers to attempt to find why we're getting high variation in our lab results.
2 of our pulverizers are over pulverizing creating quite hard lumps.
My concern is that this may be affecting our sulphur roasting process and therefore aqua-regia digestion.
I'd like to approach the lab manager about it but if there are any studies/documents about the effects of over pulverising or anyone has any anecdotal evidence that would be greatly appreciated.
Cheers