Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments, China

作     者：Wenjing LU Hongtao WANG 

作者机构：Department of Environmental Science and EngineeringTsinghua UniversityBeijing 100084China 

出 版 物：《Frontiers of Environmental Science & Engineering》 (环境科学与工程前沿（英文）)

年 卷 期：2008年第2卷第1期

页      面：15-23页

核心收录：

学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 070902[理学-地球化学] 0709[理学-地质学] 07[理学] 

基　　金：This research was supported by the National Research Project Special of China(Grant No.K99-05-35-02) Inter-national Foundation for Science(IFS)(Grant No.C/3468-1) Alcoa Foundation’s Conservation and Sustainability Fellowship Program-Sustainable Development of Rural Area in China 

主　　题：co-composting Dianchi Lake catchments non-point source pollution rural solid waste 

摘      要：In recent years,with control of the main muni-cipal and industrial point pollution sources and imple-mentation of cleaning for some inner pollution sources in the water body,the discharge of point source pollution decreased gradually,while non-point source pollution has become increasingly distressing in Dianchi Lake *** one of the major targets in non-point source pollution control,an integrated solid waste controlling strategy combined with a technological solution and man-agement system was proposed and implemented based on the waste disposal situation and characteristics of rural solid waste in the demonstration *** the key techno-logy in rural solid waste treatment,both centralized plant-scale composting and a dispersed farmer-operated waste treating system showed promise in rendering timely ben-efits in efficiency,large handling capacity,high quality of the end product,as well as good economic *** encountered during multi-substrates co-com-posting such as pathogens,high moisture content,asyn-chronism in the decomposition of different substrates,and low quality of the end product can all be tackled.92.5% of solid waste was collected in the demonstration area,while the treating and recycling ratio reached 87.9%,which pre-vented 32.2 t nitrogen and 3.9 t phosphorus per year from entering the water body of Dianchi Lake after imple-mentation of the project.