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复合型人工湿地对抚仙湖入湖河道污水中氮的去除
Nitrogen Removal by Integrated Constructed Wetland in the Rivers Following to Fuxian Lake
【摘要】 在抚仙湖北岸构建复合型人工湿地污水处理系统,对窑泥沟入湖河道污水中氮的去除效果进行了试验研究,结果表明,系统水力负荷年平均为37mm/d,氮负荷年平均为3.315g/m2·d,对污水中NOx、NH4+、TON和TN去除率年平均分别为62.7%、53.8%、62.4%和57.5%。
【Abstract】 Research on nitrogen removal in Yaonigou river by integrated constructed wetland wastewater treatment system is experimented.The results show that the average hydrologic budget is 37 mm per day and the average ni- trogen loading is 3.315g/m~2.d.The average removal of nitrogen oxides,ammonia nitrogen,organic nitrogen and total nitrogen are 62.7%,53.8%,62.4% and 57.5% respectively.
【关键词】 复合型人工湿地;
河道污水;
除氮;
抚仙湖;
【Key words】 integrated constructed wetland; wastewater discharging to rivers; nitrogen removal; Fuxian lake;
【Key words】 integrated constructed wetland; wastewater discharging to rivers; nitrogen removal; Fuxian lake;
- 【文献出处】 云南环境科学 ,Yunnan Environmental Science , 编辑部邮箱 ,2006年S2期
- 【分类号】X52
- 【被引频次】10
- 【下载频次】320