| 摘要 |
<p>PURPOSE:To biologically treat waste water containing a reducible sulfur compound with high efficiency by acclimating and propagating bacteria suitable for the treatment of the waste water. CONSTITUTION:Activated sludge for treating sewage or industrial waste water is introduced into an aeration tank to be subjected to aeration. A soluble calcium salt is added to waste water containing a reducible sulfur compound before introducing the waste water into the aeration tank.</p> |
