Results showed that: the total removal rates were 40%-50% for the total nitrogen(TN),chemical oxygen demand(COD) and biochemical oxygen demand(BOD_5),60%-70% for total phosphorus(TP) and above 90% for NH_4-N.
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释义
结果表明该湿地对总氮(TN)、化学需氧量(COD)、生化需氧量(BOD5)的总去除率在40%25~50%25之间;总磷(TP)的去除率在60%25~70%25之间;氨氮(NH4-N)的去除率达90%25以上.
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