关键词: 集约化养猪场, 污水处理, 厌氧发酵, 接触氧化, 工艺

Abstract: According to the principle of circular economy and ecological economy,the technology of anaerobic and aerobic fermentation has been combined with a comprehensive utilization route to control sewage pollution in livestock and poultry farm.The practice of sewage treatment in intensive feeding farm in Jingxi Town of Minhou County of Fuzhou City,showed that the sewage pollution in animal husbandry industry could be solved by such a route.The treated sewage indexes for COD_Cr,BOD₅,SS,NH₃-N,and TP reached 58 mg·L^-1,13.3 mg·L^-1,72 mg·L^-1,34.9 mg·L^-1, 7.2 mg·L^-1,respectively,which reach the Intergratel Pollutant Discharge Standard according to "The drainage standard for sewage from livestock and poultry production".The project was run steadily and a remarkable benefits in economy and ecology have been obtained.

Key words: intensive feeding swine farm, sewage treatment, anaerobic fermentation, exposed oxidation, technics