Abstract
Electrolytic recovery of gold and silver from dilute solutions was first applied nearly 100 years ago. Compared with other recovery techniques, electrolytic treatment offers several advantages. But to achieve high space-time yields, special construction of electrolytic cells for improved mass transfer is necessary. Extended cathode surface areas and vigorous agitation are important features. Gold and silver recovery by use of newly developed electrolytic cell construction—rotating tubular bed reactor and impact rod reactor—has been described. Calculations based on industrial application over several years confirm that electrolytic recovery of precious metals from dilute solutions has been very economical.
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