Abstract
Aim. To study the effect of thiosulfate, ferrous and ferric iron on the process of bacterial leaching of germanium and other valuable components from industrial waste of the Central Enrichment Plant (CEP) of the Lviv-Volyn Coal Basin (LVCB). Methods. Classical microbiological, standard physico-chemical (atomic emission and atomic absorption spectroscopy), the author’s patented electrochemical unit. Results. The received comparative data of efficiency of extraction of metals using Na2S2O5, Fe2+ and Fe3+. It is shown that the thiosulfate is ineffective in the processes of bacterial leaching. The maximum transition metals from the solid phase into the solution was detected using Fe3+. Conclusions. The high efficiency of bacterial extraction of germanium and other valuable components from waste coal preparation, with the participation of ferric iron has been shown.
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