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Updated: Sep 24, 2025

Electrochemically and Bioelectrochemically Induced Ammonium Recovery
Published on: January 22, 2015
A closed-loop electrogenerative recycling process for recovery of silver from a diluted cyanide solution
Faiz Bukhari Mohd Suah1,2, Bee Ping Teh1, Nadia Mansor1
1Electrogenerative Research Unit, School of Chemical Sciences, Universiti Sains Malaysia 11800 Minden Pulau Pinang Malaysia fsuah@usm.my.
Abstract:
A closed-loop process for the complete recovery of silver from a diluted silver cyanide solution has been constructed based on an electrogenerative process. It was shown that the reduction of silver was a mass transport controlled process. Under optimal experimental conditions, 100% of silver was recovered from 500 mg L-1 and 100 mg L-1 silver cyanide solutions by using a reticulated vitreous electrode (RVC) as the cathode. The cyanide solution was recycled and reused so that a closed-loop process was obtained. In addition, the RVC in this study can be used repeatedly up to 10 cycles with a calculated relative standard deviation of 1.90%.
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