How can i separate sub-micro material from milling product?

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Federico Svarc

Just a common sense answer: by filtration. Suspendend in water as a slurry sub-micro material should go through the filter. The rest would stay...

Roland Fabis

If the size is too small for filtration, or the size distribution is not optimal, you can try to separate via magnetic separation (the biggest particles have a bigger magnetic moment and a faster attraction) or sedimentation (for sure, here you find the smaller beads in the supernatant).