Hi! This is PART 2 of the gold recovery and refining from the 5kg
Intel 386 and 486 ceramic CPUs videos.Iin the previous video I removed the grease
and the lids from the CPUs. To complete the first stage I had to come up with an
efficient way of crushing the processors, ensuring all silicon dies are broken.
This is what I came up with... CPUs stacked in a metal container and an air chisel.
Let's see it in action...
With the help of a friend, about 15 minutes later all CPUs were reduced to
pieces not bigger than one square centimetre.
With the crushing, the preparation stage of the process is complete.
Stage two - The Recovery consists of three steps: dissolution, solids/liquid
separation and selective precipitation. For the dissolution step I've chosen to
dissolve the processors in hydrochloric acid...
...with minute additions of nitric acid. You can see the dissolution step in the next
video named: "GOLD from 5kg Intel 386 and 486 ceramic CPUs PART 3
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