利用蚯蚓处理城市污水厂剩余活性污泥探讨

Discussion on Treatment for Excess Sludge from Municipal Wastewater Plant by Earthworms

阐述利用蚯蚓消解城市污水厂剩余污泥的基本原理,总结利用蚯蚓处理剩余污泥的研究现状,分析了项目实施所产生的各种效益并指出还需要解决的关键技术问题。利用蚯蚓处理城市污水厂剩余污泥技术上完全可行,既可以为城市剩余污泥开辟出新的出路,又可以获得良好的经济效益。

This paper states the basic principles on earthworms digesting excess sludge in municipal wastewater treatment plant, summarizes the research status of earthworms disposing excess sludge, analyzes the multitude of benefits of the project and points out the main technical problems of promotional techniques. Using earthworms to dispose the excess sludge in municipal wastewater treatment plant is completely feasible. It not only opens a new way for municipal excess sludge treatment,but also can get good economic benefits.