Tokyo Metropolitan GovernmentOfficial Video Channel
反応槽でできた泥(活性汚泥) のかたまりを3~4時間 かけて沈殿させ、上澄み(処理水) と汚泥に分離します。 Sludge(activated sludge) formed in the Reaction Tank is allowed to settle over 3-4 hours to separate mixel liquor the wastewater into supernatant (treated water) and sludge.