The phosphorus concentration of the sludges was>6%,and phosphorus removal factor was about 0.04, which was two times higher than that of the resular aerobic biological treatment.

• 污泥含磷量达6%25以上、除磷系数达0．04左右，是常规好氧生物处理的3倍。在系统除磷系数相同的条件下，进水碳磷比越高，磷的去除率越高。