二阶段SBBR反应器渗滤液处理效能的影响因素

被引:1
作者
刘亚丽
张智
段秀举
机构
[1] 重庆大学三峡库区生态环境教育部重点试验室
关键词
渗滤液; 生物处理; SBBR反应器; 处理效能;
D O I
10.16796/j.cnki.1000-3770.2008.12.005
中图分类号
X703.1 [技术方法];
学科分类号
摘要
以黑石子垃圾渗滤液强化预处理-生物接触氧化处理技术为依托,针对其处理效果的局限性,进行SBBR反应器脱氮效能影响因素试验研究,旨在优化运行参数,提高渗滤液处理效能。得出以下结论:一/二阶SBBR反应器对COD、NH4+-N、TN的去除效果分别以HRT为8d/4d、8d/4d~12d/6d、12d/6d时最为理想;COD、NH4+-N去除率随序批周期减小而升高,TN去除率随序批周期减小先升后降,在序批周期为6h时达到最高;COD、NH4+-N去除率随溶解氧、周期曝气时间升高而增加;TN去除率则先升后降,在一/二阶SBBR反应器曝气时DO平均浓度约为2.0/2.5mg·L-1,周期曝气时间为3h时去除率最高;SBBR反应器处理效能随温度升高明显提高。
引用
收藏
页码:14 / 18
页数:5
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