保定市郊区“四位一体”沼气池式卫生户厕的卫生评价

Hygienic Assessment on the Four facilities Household Latrine with Methane generating Tank

为了实现农村生活污水和粪便的无害化处理，改善农村卫生状况，在保定市焦庄村修建了８０座“四位一体”沼气户厕，即由猪圈、鸡舍、淋浴、沼气池相结合的沼气厕所。检测结果表明，沼气池出口符合国家规定的粪便无害化处理要求，蛔虫卵去除率达９８．９％，ＣＯＤ和ＢＯＤ分别降低８５．３％和８７．４％。沼气户厕不仅改善了农村卫生状况，而且取得了较好的经济效益和社会效益。

In order to realize the non hazardous treatment of the domestic sewage and the feces and to improve the sanitation of the countryside,80 four facilities household latrines which consisted of pigsty,chicken coop,bathroom and methane generationg tank were built in Jiaozhuang village,Baoding The results showed that the quality of the effluent sewage of methane generating tank,accorded with the national standard for feces non hazardous treatment The elimination rate of ascaris eggs was 98 7%,COD and BOD decreased 85 3% and 87 4% respectively in the treated fecal waste The houshold latrines had not only improved the sanitation in countryside,but also made great economical and social benefits