| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a waste water treating method which is low in waste water treating cost, easy in maintenance and control and capable of enhancing the removal performance of phosphorus, etc. SOLUTION: Openings between iron fins adjacent to each other in the longitudinal direction of each of a plurality of the supporting members with the iron fins are closed by biological membranes of microorganisms and iron ions are eluted into the waste water in an anaerobic treating vessel on the more inside than the biological membranes by the bacteria propagated to the inside of the biological membranes.</p> |
