| 摘要 |
PROBLEM TO BE SOLVED: To increase efficiency for removal of metal ions without relying on a granular metal ion removing material such as a chelate resin, in a metal ion removing device 1.SOLUTION: A metal ion removing device 1 extracts metal ions included in fuel to a water layer 14 by dispersedly supplying COas acidic gas and fuel to a water layer 14. Accordingly, by using, as a metal ion removing material, acidic aqueous solution obtained by dissolving COinto water, dispersibility of the metal ion removing material to the fuel is increased more than a granular metal ion removing material. Accordingly, the efficiency for removal of the metal ions can be increased without relying on the granular metal ion removing material. |
