Approach to Techniques of Sludge Disposal

The paper introduces not only the character of sludge but also its infection upon the environment.Through analyzing of several major sewage sludge disposal which adopted throughout the world such as Synthesize utilization,bury,the application of sewage to land,sea dumping and so on;comparing the major sewage sludge disposal;explaining the advanced technique of sewage sludge which fit for our country and the reasons that restrict the sewage sludge in our country,this paper points out that resource utilization of sewage sludge should stand reality,select the best way of disposal and utilization,considering environmental ecological results,social and economic benefits.