Uploaded September 2024 | Updated September 2026, 1 week ago

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How To Recover The GOLD From Used Filter Papers Pt2
youtu.be/QkE2XQKy-R0

I start by incinerating the paper filters over an outdoor yard debris hot fire to reduce the filters down to a small amount of ash. The ash contains precious metals, mostly gold. Then I use piranha solution (sulfuric acid plus 29% hydrogen peroxide) to rid the ash of carbon material.