Reclaiming silver powder from crushed glass
I am looking for a process to reclaim silver powders (sub 20 micron) from a crushed glass feedstock.
Any Ideas?Chuck Musgrave
Silver, I believe will attract ionically to iron. There are methods to retrieve photographic silvers from solutions so I might assume that since the crushed glass could be introduced to a liquid medium (H2O for ex.) and run through a reclaiming cartridge, trapping the silver. However you would have to refine the silver from the iron cartridgeAlex Ross
- Portland, Oregon
Try nitric acid to dissolve the silver into silver nitrate. From there, precipitate out the silver. I do not remember how to do this, but I know the precipitation process is performed in industry.Joel Stray
- Hudsonville, Michigan
December 22, 2008
I kind of like Joel's idea of dissolving the silver into nitric acid. It can then be removed as rather pure silver by the addition of a reducing agent like formaldelhyde. Look into the "Brashear process" for more info, starting with letters 916 and 9550. Good luck.
Ted Mooney, P.E.
Pine Beach, New Jersey
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