| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas dissolution device capable of suppressing the outflow of large bubbles.SOLUTION: In a dissolution tank 2 of a gas dissolution device 1, a step part D coming down to a gas-liquid separation tank 8 side is provided near the upper end 4a of a second partition wall 4 partitioning an intermediate tank 7 and the gas-liquid separation tank 8, and a fluid 5 having gotten over the upper end 4a of the second partition wall 4 from the intermediate tank 7 comes down along the step part D, and flows into the gas-liquid separation tank 8. |
