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Oral presentation

Sorption of Co to biogenic Mn oxides produced by MnO$$_{4}$$ reduction

Kato, Tomoaki; Onuki, Toshihiko; Saito, Takumi; Yu, Q.

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Sorption of divalent Co was studied during Mn oxides formation on microbial surface. Permanganate was reduced on the cell surface to form tetravalent Mn oxides. XANES analysis revealed that divalent Co was oxidized to trivalent one during the accumulation to Mn oxides. These results indicate that sorption mechanism of divalent Co by biogenic Mn oxides accompanying oxidative precipitation.

Oral presentation

Sorption of Co$$^{2+}$$ on Mn oxides produced by MnO$$_{4}$$$$^{-}$$ reduction using biomass

Kato, Tomoaki; Onuki, Toshihiko; Saito, Takumi*; Yu, Q.

no journal, , 

In order to remediate radioactive Co in aqueous solution, biomass Mn oxides is tested to accumulate Co. Amount of the accumulated Co was higher in equivalent ratio than Zn. This is resulted from the oxidative sorption of Co$$^{2}$$; to Co$$^{3+}$$.

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