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酸化溝の運転障害、どう対処するか

2016-05-18View Original

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運転中、酸化溝の表面には厚いスラッジ層が堆積し、粒径約1mmのスラッジ粒子は黄みを帯びている。これにより沈殿槽で大量のスラッジが浮上し、スラッジが白っぽくなり、フロックが排水と共に流れ出てしまう。その結果、SV30が急激に低下し、処理効果を失い、堆積したスラッジも薄くなって消失する。繰り返し起こりますが、その原因と対策は何でしょうか

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