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生物塘-人工湿地工艺去除农田灌溉水中镉污染的效果

杨登 尹晓辉 邹慧玲 方雅瑜 陈楠 张昊 魏祥东

杨登, 尹晓辉, 邹慧玲, 方雅瑜, 陈楠, 张昊, 魏祥东. 生物塘-人工湿地工艺去除农田灌溉水中镉污染的效果[J]. 环境工程技术学报, 2018, 8(2): 155-160. doi: 10.3969/j.issn.1674-991X.2018.02.021
引用本文: 杨登, 尹晓辉, 邹慧玲, 方雅瑜, 陈楠, 张昊, 魏祥东. 生物塘-人工湿地工艺去除农田灌溉水中镉污染的效果[J]. 环境工程技术学报, 2018, 8(2): 155-160. doi: 10.3969/j.issn.1674-991X.2018.02.021
YANG Deng, YIN Xiaohui, ZOU Huiling, FANG Yayu, CEHN Nan, ZHANG Hao, WEI Xiangdong. The performance of combined process of biological pond and constructed wetland for cadmium removal from irrigation water[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 155-160. doi: 10.3969/j.issn.1674-991X.2018.02.021
Citation: YANG Deng, YIN Xiaohui, ZOU Huiling, FANG Yayu, CEHN Nan, ZHANG Hao, WEI Xiangdong. The performance of combined process of biological pond and constructed wetland for cadmium removal from irrigation water[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 155-160. doi: 10.3969/j.issn.1674-991X.2018.02.021

生物塘-人工湿地工艺去除农田灌溉水中镉污染的效果

doi: 10.3969/j.issn.1674-991X.2018.02.021
详细信息
    作者简介:

    杨登(1992—),女,硕士,研究方向为环境污染修复与治理,1823810946@qq.com

    通讯作者:

    魏祥东 E-mail: xiangdongw@126.com

  • 中图分类号: X522

The performance of combined process of biological pond and constructed wetland for cadmium removal from irrigation water

More Information
    Corresponding author: Xiangdong WEI E-mail: xiangdongw@126.com
  • 摘要: 通过野外大田试验,探讨了生物塘-人工湿地工艺去除农田灌溉水中Cd污染的效果,并进一步分析了水力停留时间对Cd净化效果的影响及净化效果的日变化规律。结果表明:试验区灌溉水中全量Cd平均浓度为13.92 μg/L,是GB 5084—2005《农田灌溉水质标准》中Cd浓度限值的1.39倍,且以溶解态Cd为主,约占77.8%;经生物塘-人工湿地工艺处理后全量Cd平均去除率为42.0%,出水达标天数率为85.2%;组合工艺的Cd去除率随水力停留时间的延长呈先升高后降低趋势,最佳停留时间约为19 h;生物塘和人工湿地的Cd去除率日变化规律均呈早晚低、中午高的单峰曲线,Cd最大去除率出现在13:00左右。

     

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  • 收稿日期:  2017-08-26
  • 刊出日期:  2018-03-20

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