There were anti-nitrification floating sludge, aged activated floating sludge and floating sludge from biological foam in the final settling basin of municipal second stage sewage treatment plant.

二级污水处理厂二沉池漂泥有反硝化漂泥、活性污泥老化漂泥、生物泡沫导致的漂泥。

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When biological filter tank is used to treat sanitary wastewater, COD in effluent can satisfy Class I of the discharge standard for urban wastewater treatment plant.

实验针对间歇投配污水的生物渗滤池处理生活废水的一些基本运行参数进行了优化研究。

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Sludge bulking and biological foams of activated sludge process are usual problem in the operation of wastewater treatment plant.

污泥膨胀和生物泡沫现象是众多泥法污水厂常见的运行难题。

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