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Hi .. Looking for best method to seperate hammer milled solar cells ( polycrystaline silicon) .. 7% AL content 1.6-2.7% silver and balance silicon.
I have them in chip form less than 3cm and some 100 mesh screened as result of running them thru a small mill. I am trying to choose between floatation / air classification/ or chemical method or any other practical means to seperate this material.. I prefer to stay away from chemicals as much as possible
I have approx 15,000lbs of material and this is a 1 shot deal so I dont want to invest a ton of money into it ...
I appreciate any advice you can offer ...