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xiao hua fei shui he hua xue yu chen dian fei shui zai yan mei shi lv chi zhong de fan xiao hua
Author(s): 
Pages: 29-31
Year: Issue:  4
Journal: NORTH ENVIRONMENT

Keyword:  淹没式滤池反硝化外加碳源水头损失;
Abstract: EEC标准针对生态敏感地区出水总氮排放要求达到10-15mg/l,利用生物反硝化是使出水达到该标准最为经济有效的方法.利用淹没式滤池进行反硝化能使出水达到该排放标准并且布局紧凑.大部分的磷和SS在化学预处理中被去除,而氮和溶解性有机物在生物滤池中被去除.对经过化学预沉淀的污水利用后置脱N和同时进行硝化/反硝化,试验的结果表明两种工艺都是可行的,试验分别在两个不同的淹没式滤池中进行,一个是下向流反应器,一个是上向流反应器.在正常运行的情况下,两者的出水NO3-N浓度低于5mg/l .
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