汚泥が浮上する原因は？
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最近、汚泥の沈降比を測定したところ、好気槽内の汚泥が常に上昇する現象が見られ、沈降比は約10％でした
一般的にSVを行う際、表面にスラッジの層が浮かぶことがあり、これは嫌気的な状態が生じたか、100mlのメスシリンダーを使用したためかもしれません； SVは沈降過程中、または30分後に上昇し、脱窒が起こっている；
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