Low power ultrasound can modify sludge bulking characteristics, improve sludge settling and dewatering properties, so decrease sludge water content and sludge volume.
小功率超声波能够改善污泥的膨胀特性、提高污泥沉淀特性和脱水能力、降低污泥的含水率，达到减量的目的。
Sludge water content has been detected as the index to indicate the effect of ultrasonic and composite flocculants on the residual activated sludge in petrochemical water treatment plants.
以污泥含水率为考察指标，研究了超声波-复合絮凝剂对石化厂剩余污泥脱水效果的影响。
Dewatering of sludge is strongly related to the bound water content of sludge.
污泥的脱水性与其结合水的含量有很大的关系。
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