摘要
在不同介质条件下对土壤渗滤系统的特性进行研究,试验采用装填20%细沙的土壤介质和20%炉渣的土壤介质处理生活废水。水力负荷为3 cm/d,试验装置在运行30 d后完全熟化。结果表明:含20%炉渣的土壤介质对废水的处理效果较好,COD,TP,NH3-N的去除率分别达到90%,97%,99%。但在TN的去除效果试验中,含20%细砂的土壤介质性能较为优越,去除率能达到74%左右。
Characteristics of underground infiltration filter system in the different soil mediums condition were studied. The test used soil media of 20% sand soil containing and of 20% slag containing in the domestic wastewater treatment. The hydraulic loading is 3 cm/d and operation time was 30 days. The results show that soil media of 20% slag containing on wastewater treatment is better, removal rate of COD, ammonia nitrogen and phosphorus is about 90%, 97% and 99%, respectively. While the soil media of 20% sand soil containing shows superior performance to total nitrogen removal efficiency, which reaches about 74%.
出处
《环境科技》
2011年第A01期5-7,共3页
Environmental Science and Technology
关键词
土壤介质
渗滤系统
水力负荷
去除率
Soil medium
Underground infiltration filter system
Hydraulic loading
Removal rate
