Gold recovery by crushing of circuits boards gold recovery by crushing of circuits boards.Recovery of gold, silver, copper and niobium from printed circuit oct 20, 2012 recovery of gold, silver, copper and niobium from.Printed circuit boards using the pcbs were crushed with a hammer mill until key words printed circuit boards, recovery.
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Get PriceRecycling of printed circuit boards 287 beryllium in the electronics industry is as beryllium oxide which transmits heat very efficiently and is used in heat sinks.Typically pcbs contain about 5weight of fe, 27 of cu, 2 of al and 0.5 of ni, 2000 ppm of ag 80 ppm of au however there is no average scrap composition and the values.
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