Sludge treatment and disposal is an important part of wastewater treatment and inappropriate treatment will bring about secondary pollution of the environment. The application and development of foreign constructed sludge drying reed bed treatment system was described in the paper. Innocuous treatment efficiency of the wetland sludge disposal system and design parameters also were discussed here. The practical effect of sludge dewatering and stabilization were compared and that could provide technical reference for the application of the system in China and a...