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人工鸟粪石对Cd污染土壤中黑麦草生长的影响

章绍康 弓晓峰 林媛 吴莉 熊捷迁 吴静琳

章绍康, 弓晓峰, 林媛, 吴莉, 熊捷迁, 吴静琳. 人工鸟粪石对Cd污染土壤中黑麦草生长的影响[J]. 环境工程, 2021, 39(9): 193-198. doi: 10.13205/j.hjgc.202109027
引用本文: 章绍康, 弓晓峰, 林媛, 吴莉, 熊捷迁, 吴静琳. 人工鸟粪石对Cd污染土壤中黑麦草生长的影响[J]. 环境工程, 2021, 39(9): 193-198. doi: 10.13205/j.hjgc.202109027
ZHANG Shao-kang, GONG Xiao-feng, LIN Yuan, WU Li, XIONG Jie-qian, WU Jing-lin. REMEDIATION OF Cd CONTAMINATED SOIL BY ARTIFICIAL STRUVITE COMBINED WITH RYEGRASS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 193-198. doi: 10.13205/j.hjgc.202109027
Citation: ZHANG Shao-kang, GONG Xiao-feng, LIN Yuan, WU Li, XIONG Jie-qian, WU Jing-lin. REMEDIATION OF Cd CONTAMINATED SOIL BY ARTIFICIAL STRUVITE COMBINED WITH RYEGRASS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 193-198. doi: 10.13205/j.hjgc.202109027

人工鸟粪石对Cd污染土壤中黑麦草生长的影响

doi: 10.13205/j.hjgc.202109027
基金项目: 

国家自然科学基金项目(41761095);江西省研究生创新项目(YC2017-B003)。

详细信息
    作者简介:

    章绍康(1991-),男,博士,主要研究方向为土壤修复。77597646@qq.com

    通讯作者:

    弓晓峰(1962-),女,教授,主要研究方向为重金属污染防治、植物修复。xfgong@ncu.edu.cn

REMEDIATION OF Cd CONTAMINATED SOIL BY ARTIFICIAL STRUVITE COMBINED WITH RYEGRASS

  • 摘要: 以MgCl2为添加剂,调节含N、P废水中n(Mg2+)∶n(NH4+)∶n(PO43-)比例为1.15∶1∶1,pH为8.5~9,反应时间30 min,经SEM、FT-IR、XRD表征后发现,所得产物以鸟粪石为主。将人工鸟粪石联合黑麦草修复Cd污染土壤,研究表明:人工鸟粪石可有效提升土壤pH、速效磷含量以及酶活性,同时可以降低土壤中交换态Cd含量,增加黑麦草叶片谷胱甘肽GSH含量来降低叶片内丙二醛MDA含量,减少膜脂过氧化程度。与对照相比,人工鸟粪石使黑麦草生物量提升81.7%~148.5%,Cd总提取量提升25.41%~44.27%,且当添加剂量为5%时修复效率最佳。
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出版历程
  • 收稿日期:  2020-07-10
  • 网络出版日期:  2022-01-21

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