|本期目录/Table of Contents|

[1]张智涌,双学珍,刘栋.人工湿地对城市降雨径流污染物的削减效应[J].江苏农业科学,2017,45(15):259-263,270.
 Zhang Zhiyong,et al.Reduction effect of constructed wetland on urban rainfall runoff pollutants[J].Jiangsu Agricultural Sciences,2017,45(15):259-263,270.
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人工湿地对城市降雨径流污染物的削减效应(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年15期
页码:
259-263,270
栏目:
资源与环境
出版日期:
2017-08-05

文章信息/Info

Title:
Reduction effect of constructed wetland on urban rainfall runoff pollutants
作者:
张智涌1 双学珍12 刘栋2
1.四川水利职业技术学院资源环境工程系,四川成都 611231;2.四川农业大学水利水电学院,四川雅安 625014
Author(s):
Zhang Zhiyonget al
关键词:
人工湿地城市降雨径流削减效应
Keywords:
-
分类号:
X171
DOI:
-
文献标志码:
A
摘要:
根据四川省成都市降雨径流的水质和水量特征,采用新型折流式人工湿地对其进行降雨径流净化研究。对人工湿地不同运行阶段模拟降雨径流的净化效果进行对比,分析CODCr、BOD5、SS、TN、TP、NH4+-N在湿地系统中的沿程变化,探讨人工湿地削减城市降雨径流污染效应。结果表明:各污染物在人工湿地中的削减效应大小依次为 SS>CODCr>BOD5> NH4+-N>TN>TP,其中对SS的削减效应显著高于对其他污染物的削减效应(P<0.05),对TP的削减效应最弱(P<0.05);人工湿地对CODCr、BOD5、SS、TN、TP、NH4+-N的削减效应在1—7月呈逐渐增加趋势,局部有所波动,9月达到最大值,9月以后削减效应趋于平稳;除了TN外,折流式人工湿地系统出水各污染物均达到《地表水环境质量标准》(GB 3838—2002)Ⅲ类质量标准,其中TN达Ⅳ类标准。降雨径流各污染物主要在人工湿地的第1格被去除,其中,CODCr、BOD5、SS、TN、NH4+-N均有一半以上的削减效应发生在第1格,随着人工湿地沿程进水浓度的增加,其削减效应逐渐下降。相关性分析表明,各降雨径流各污染物之间存在一定的相关性,而TP与各污染物指标之间没有相关性(P>0.05)。本研究表明,折流式人工湿地系统对城市降雨径流的净化效果显著,并且该湿地系统具有较强抗冲击负荷能力,可用于城市降雨径流污染的控制和雨水利用。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2017-01-16
基金项目:四川省水利专项(编号:42036952BC)。
作者简介:张智涌(1964—),男,重庆彭水人,副教授,研究方向为水利水电工程。E-mail:zhiyong_Z64@163.com。
更新日期/Last Update: 2017-08-05