The main characteristics of horizontal decanter centrifuge and its application in dewatering of low-concentration municipal sludge have been described.

• 介绍了卧螺离心机的主要特点以及在低浓度市政污泥脱水中的应用,探讨了差转速、污泥浓度对泥饼含固率,絮凝剂用量对固相回收率的影响。