Application of Decentralized Wastewater Treatment in Small towns and Villages of China

Examensarbete för masterexamen

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dc.contributor.authorLi, Jian
dc.contributor.departmentChalmers tekniska högskola / Institutionen för energi och miljösv
dc.contributor.departmentChalmers University of Technology / Department of Energy and Environmenten
dc.description.abstractChina’s water pollution control efforts are currently focusing on urban areas and industrial sectors, the main approach for wastewater treatment is by centralized facilities which usually have a treatment capacity of more then 100 thousand tons per day. This practice does have positive effect on protection of urban water environment and prevention of industrial pollutants. However, centralized wastewater treatment facilities are very expensive because of large demand on pipeline construction, and will face serious financial barrier if promoted to all urban areas of China. When comes to wastewater treatment in small towns and villages, which almost have been ignored so far in the overall national water pollution control planning of China, it is believed that the current approach is not feasible considering the current economic level of these areas. Decentralized wastewater treatment (DWWT) is proposed as a possible solution to solve this problem considering its advantages including low construction cost and flexible technology options. This thesis discusses the feasibility and potential of DWWT to be applied in China, especially in small towns and villages, and analyzes the solutions for its promotion regarding financial barrier and managerial constraints. The results prove the necessity to address water pollution in small towns and villages of China from the beginning of “twelfth five-year planning” (2011), as well as the feasibility of DWWT as the major approach. By combine the foreign experiences and current situation of China, the roles of different available financial channels are identified. It is recommended that local governments are the main investors on DWWT facilities, with private investment and central government support as important supplementary financial sources. Finally, the managerial aspects are discussed, to provide suggestions on the establishment of a appropriate governmental management system during the planning and promotion of DWWT systems, and to propose feasible management modes as approaches on management of DWWT from a project level.
dc.relation.ispartofseriesReport - Division of Environmental Systems Analysis, Chalmers University of Technology : 2010:15
dc.subjectBuilding Futures
dc.subjectHållbar utveckling
dc.subjectBuilding Futures
dc.subjectSustainable Development
dc.subjectWater Engineering
dc.subjectEnvironmental engineering
dc.titleApplication of Decentralized Wastewater Treatment in Small towns and Villages of China
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
Collection:Examensarbeten för masterexamen // Master Theses

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