摘要
随着水环境质量要求的提高,以分散排放为主的农村生活污水处理逐渐提上日程.试验以具有典型丘陵地貌特征的重庆农村为对象,采用厌氧-跌水-人工湿地组合工艺,处理分散型生活污水处理.结果表明,系统稳定运行后,COD,NH+4-N,TN,TP去除率分别为85.26%,80.77%,77.07%,和73.35%,其出水质量浓度分别为82.13,8.16,14.43和1.77mg/L,达到《城镇污水处理厂污染物排放标准》(GB18918-2002)的二级标准.该法投资小,能耗低,管理方便,在我国农村具有广泛推广的前景.
Along with the increasingly higher requirement for water environment, the rural sewage treat- ment on a dispersed basis has been placed on agenda. In an experiment reported in this paper, the anaero- bic-water dropping aerating-constructed wetland process was used to treat rural sewage in Chongqing, which features a steeply mountainous landscape. When the operation of the treatment was stabilized, the average removal efficiency of COD, NH＋ N, TN and TP was 85.26%0, 80.77%, 77.07% and 73.35%, respectively, and the average COD, NH/-N, TN and TP concentration in the effluent were 82.13, 8.16, 14.43 and 1.77 mg/L, respectively. All the indexes were in accord with Grade II of Cities Sewage Treat- ment Plant Pollutant Discharge Standard （GB18918-2002）. This process is characterized by low cost, low energy consumption and convenience of management and, therefore, may be widely extended in the rural areas of China.
出处
《西南大学学报（自然科学版）》
CAS
CSCD
北大核心
2015年第3期139-144,共6页
Journal of Southwest University(Natural Science Edition)
基金
国家"十一五"重大水专项"库区山地村落生活污水及人畜粪便前端处理技术装备及示范"(2009ZX07104-002-07B)
中央高校基本科研业务费专项(SWU113015)
关键词
农村生活污水
厌氧
跌水
人工湿地
rural domestic sewage
anaerobic
water dropping aerating
constructed wetland
