| abstract |
【Task】 To recover valuable metals in a solubilized state from water containing valuable metals through a simple process [Solution] A composition for recovering valuable metals containing proteins and/or peptides and bicarbonate ions and/or carbonate ions, or an aqueous solution thereof, is added to the water to be treated containing valuable metals, and the valuable metals, proteins and/or peptides are recovered. and recovering the valuable metal as a protein and/or peptide complex by membrane separation of the formed complex. |