摘要
研究了C/N及氮源形式对潜流式人工湿地脱氮效果的影响。结果表明,当潜流式人工湿地进水C/N由2.0增大到6.0时,总氮的去除效率由45%提高到70%;而当进水C/N由6.0增大到14.0时,总氮的去除效率仅由70%提高到85%,提高的幅度相对较小。潜流式人工湿地对总氮的去除效率随NH4+-N/TN的增加而降低,随着NO3--N/TN的增加而提高。
Influence of ratio of carbon to nitrogen （C/N） and nitrogen source on denitrification effect in the subsurface constructed wetland were researched, The results showed that when C/N in entering water changed from 2,0 to 6.0 ,the total nitrogen removal rate changed from 45% to 70% ,while C/N changed from 6.0 to 14.0, the total nitrogen removal rate changed from 70% to 85%, The total nitrogen removal rate reduced when NH^＋ - N/TN increased,while the total nitrogen removal rate increased when NO3^ - N/TN increased,
出处
《电力环境保护》
2008年第2期27-29,共3页
Electric Power Environmental Protection
基金
江苏省自然科学基金(BK2004075)
关键词
潜流式人工湿地
C/N
氮源
硝化/反硝化
subsurface constructed wetland
C/N
nitrogen source
nitrification/denitrification
