复合人工湿地对水禽污染废水的净化效果

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摘要

通过在北京市野生动物救护中心构建表流湿地与潜流湿地相结合的人工湿地来处理富营养化的水体,研究该人工湿地对TP、TN、浊度和CODcr的去除作用。研究表明:表流湿地对TP、TN、浊度和CODcr的去除率可分别达到68%,31%,93%和55%,潜流湿地对TP、TN、浊度和CODcr的去除率可分别达到75%,67%,55%和50%,复合人工湿地对TP、TN、浊度和CODcr的去除率可分别达到80%,50%,95%和90%,人工湿地不同构建类型对TP、TN的去除量没有显著差异(P>0.05),对TP的去除率、浊度和CODcr的去除量及去除率之间存在显著性差异(P<0.05),而对TN的去除率没有显著性差别(P>0.05),通过拟合进出水中不同污染物的质量浓度关系发现,表流湿地、潜流湿地和复合人工湿地进出水中TP、TN及CODcr之间存在显著的线性相关关系(P<0.05),相关系数分别为0.948、0.994、0.952,0.948、0.995、0.958和0.963、0.990、0.927,人工湿地进出水中浊度符合多项式方程规律,相关系数为分别为-0.523(R²=0.451,P>0.05),0.854(R²=0.8756,P<0.05)和-0.086(R²=0.197,P>0.05)。

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	崔丽娟
	李伟
	张岩
	张曼胤
	王义飞
	赵欣胜
	李胜男

关键词 ：复合人工湿地, 表流湿地, 潜流湿地, 水禽污染, 净化

Abstract：

A constructed wetlands research was conducted to reduce nutrient loads to the eutrophic lake in Beijing Wildlife Rescue Center based on the combination of surface flow constructed wetland(SFCW) and subsurface flow constructed wetland (SSFCW).The purification effects of wetlands on total phosphorus(TP),total nitrogen(TN),turbidity,and chemical oxygen demand(CODcr) were studied.The results indicated that the removal rates of TP,TN,turbidity,and CODcr by SFCW were 68%, 31%,93%,and 55%;the removal rates by SSFCW were 75%,67%,55%,and 50%;the removal rates by CW were 80%,50%, 95%,and 90%,respectively.The different types of wetlands had no significant differences in the removal contents of TP and TN, or removal rate of TN(P>0.05),but had significant differences in the removal rate of TP,turbidity,and removal content and removal rate of CODcr(P<0.05).The relationships of the concentrations of TP,TN,and CODcr between the influents and effluents have been proposed.The Pearson's correlation coefficients were 0.948,0.994,0.952,0.948,0.995,and 0.958,as well as 0.963,0.990,and 0.927.The turbidities between influents and effluents in CW were consistent with the law of polynomial equation,and the Pearson's correlation coefficients were 0.523(R²=0.451,P>0.05),0.854(R²=0.8756,P<0.05),and 0.086 (R²=0.197,P>0.05).

Key words： constructed wetland surface wetland subsurface wetland waterfowl pollution purification

收稿日期: 2011-08-25

Q945.78

基金资助:北京市科技计划重大项目“北京市湿地生态系统保护与恢复关键技术研究和示范”(D08040600580000);国家十一五科技支撑计划项目“湿地生态系统保护与恢复技术试验示范”(2006BAD03A19)

引用本文:

崔丽娟, 李伟, 张岩, 张曼胤, 王义飞, 赵欣胜, 李胜男. 复合人工湿地对水禽污染废水的净化效果[J]. , 2011, 30(4): 446-453.
CUI Li-juan, LI Wei, ZHANG Yan, ZHANG Man-yin, WANG Yi-fei, ZHAO Xin-sheng, LI Sheng-nan. Research on purification effect on waterfowl sewage of constructed wetland. , 2011, 30(4): 446-453.

链接本文:

http://www.ecolsci.com/CN/Y2011/V30/I4/446

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