It could be concluded that LSDC can obviously speed up the sedimentation rate of sludge, decrease moisture content and specific filtration resistance of sludge ,which was superior to CPAM.

• 对生物活性污泥的絮凝脱水性能的研究结果表明,LSDC在提高沉降速度、降低污泥含水率和污泥过滤比阻方面有明显效果,优于对比样CPAM。