The structure, physical and chemical changes in the reed beds were studied when these beds were used to treat municipal wastewater sludge.
本基金研究用植物根孔来处理污泥，以及在其中的物理、化学性质变化。
Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant.
城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物，主要来自初沉池和剩余污泥的排放。
SANFLOC is a polymer flocculant used for dewatering of sludge of municipal wastewater and for acceleration of sedimentation of industrial wastewater.
SANFLOC是用于工业污水的沉积作用的加速度的为脱水市政污水烂泥和聚合物絮凝剂。
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