五级跌水充氧生物接触氧化法处理农村污水  

Biological Contact Oxidation with Five Stage water-dropping Aeration for Rural Sewage Treatment

作　　者：詹旭[1] 吉祝美 吕锡武[1] 

机构地区：[1]东南大学环境工程系,江苏南京210096 [2]盐城市亭湖区环境监测站,江苏盐城224001

出　　处：《净水技术》2007年第3期60-61,79,共3页Water Purification Technology

基　　金：国家高技术研究发展计划(863计划)资助项目(2002AA601012-1A)

摘　　要：采用跌水充氧生物接触氧化法对农村污水进行试验。结果表明:在平均水温为9.6℃,当HRT=4h、进水流量为250L/h时,该工艺对CODMn、氨氮、总氮、总磷的去除率分别达到26.58%、4.95%、8.87%、6.64%,试验取得初步效果。通过对机理的分析,多种微生物的共降解协同作用是使这些污染物得以去除的主要原因,这为后阶段的研究工作指明了方向。此方法在缓解农村地区水环境污染问题的同时,能用较少的投资和运行费用,其整体效益较明显。The experiments of water-dropping aeration biological contact oxidation for rural sewage treatment were evaluated. The results showed that the removal rates of CODMn, ammonia nitrogen, total nitrogen and total phosphor by this process are 26.58%, 4.95%, 8.87% and 6.64% separately, at the conditions of average water temperature of 9.6℃ flow rate 250 L/h and the HRT of the biologlcal contact oxidation for 4 hours. By analyzing the experimental mechanism, the main removal reason was due to microbe co-degradation. The conclusion seems to suggest that solving the problem of water pollution in rural area can use five stage water-dropplng aeration blological contact oxidation, with less investments and operation cost.

关 键 词：跌水 充氧 生物接触氧化 农村污水 

分 类 号：X703[环境科学与工程—环境工程]