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植物滞留系统草本植物对人工模拟雨水中锌的富集及去除效果研究
  • ISSN号：1000-8942
  • 期刊名称：《环境工程》
  • 时间：0
  • 分类：X173[环境科学与工程—环境科学] X52[环境科学与工程—环境工程]
  • 作者机构：[1]内蒙古工业大学能源与动力工程学院环境科学与工程系, [2]北京师范大学环境学院水沙重点实验室水环境模拟国家重点实验室, [3]水利部水利水电规划设计总院水战略研究部
  • 相关基金：国家自然科学基金项目(50939001,51079004);国家重点基础研究发展规划项目(2010CB951104);高校博士点基金博导类项目(20100003110024);长江学者和创新团队项目(IRT0809);内蒙古工业大学青年基金项目(X201217)
作者： 美英[1], 杨晓华[2], 郦建强[3]
关键词： 植物滞留系统, 草本植物, 锌, 去除率
中文摘要：

采用沙培实验,探讨4种草本植物(黑麦草、地毯草、早熟禾、高羊茅)对人工模拟雨水中重金属锌的吸收富集和去除效果,为植物滞留系统筛选草本植物提供科学依据。实验分析测定不同植物滞留系统介质、不同入口浓度情况下,植物地上部与根部锌含量及锌的去除率。结果表明:4种草本植物对人工模拟降雨径流中的锌均有较好的去除效果,锌的平均去除率为84.65%~91.12%。不同草本植物去除人工模拟降雨径流中锌的能力,从强到弱的顺序依次为:早熟禾】黑麦草】地毯草】高羊茅。其中,4种草本植物对锌的去除率随入口浓度的增加而增加;对于同一种草本植物同样的入口浓度情况下,沙土Ⅰ为最佳土壤介质,具有最佳去除锌能力。4种草本植物地上部和地下部锌累积量分别为419.19~960.98μg和569.61~1 024.11μg;其中黑麦草锌累积总量最高,其次是地毯草,最低为早熟禾。综合考虑污染物去除率和锌在植物体内的累积量,交替种植早熟禾和黑麦草可提高植物滞留系统去除锌的能力且有利于延长植物滞留系统寿命。

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期刊信息
  • 《环境工程》
  • 中国科技核心期刊
  • 主管单位:中国钢铁工业协会
  • 主办单位:中国环境科学学会环境工程分会 中冶建筑研究总院有限公司
  • 主编：白云
  • 地址：北京市海淀区西土城路33号
  • 邮编：100088
  • 邮箱：hjgc@mail.yj.cn.net
  • 电话：010-82227637 82227638
  • 国际标准刊号：ISSN：1000-8942
  • 国内统一刊号：ISSN：11-2097/X
  • 邮发代号:82-64
  • 获奖情况:
  • 中国自然科学中文核心期刊,中国环境科学类核心期刊,中国科技论文统计源期刊,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:18785