| 摘要 |
<p>PROBLEM TO BE SOLVED: To compress an equipment cost by reducing the number of installed apparatuses to decrease or unnecessitate the use amount of a deforming agent and to lower running cost and by increasing the defoaming capacity of one apparatus. SOLUTION: By sucking a foam 4 generated in an aeration tank 2 for cleaning by using a microbe into a drain tank 6 at a negative pressure, the foam 4 is inflated to be burst.</p> |
