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外循环三相流化床-人工湿地系统处理渗滤液可行性研究
Authors
张金生
曾光明
+3 more
梁运姗
董蓓蓓
袁兴中
Publication date
1 January 2009
Publisher
Abstract
采用外循环三相流化床-人工湿地的组合工艺对垃圾渗滤液进行处理,主要探讨通过该组合工艺后,出水水质的变化.结果表明,进水COD 4 000 mg.L-1、NH4+-N 300 mg.L-1通过外循环流化床后,COD、NH4+-N分别稳定在1 500 mg.L-1和150 mg.L-1左右;Cd、Zn、Pb含量也均稍有下降,通过人工湿地后,COD、NH4+-N则分别下降到200 mg.L-1和10 mg.L-1左右.Cd、Zn、Pb的含量在分别从进水的0.12 mg.L-1、3.0 mg.L-1和1.4 mg.L-1下降到0.01 mg.L-1、0.5 mg.L-1和0.1 mg.L-1左右.通过不同植被的湿地进行横向比较,发现无论何种植被的湿地,对该组合工艺的处理效果影响不大
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Last time updated on 05/12/2019