| 摘要 |
<p>PURPOSE:To provide an anaerobic treating method of an org. waste water in which a multivalent metal ion is added to the waste water at the time of subjecting the org. waste water containing an org. chelating agent to the anaerobic treatment. CONSTITUTION:An anaerobic treatment of the waste water is stably executed the anaerobic treating method even if the waste water is the org. waste water containing the org. chelating agent since a biological inhibiting property of the org. chelating agent is reduced by adding the multivalent metal ion.</p> |
